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Selection: with tag plant-pests [137 articles] 

 

Risk to plant health of Flavescence dorée for the EU territory

  
EFSA Journal, Vol. 14, No. 12. (December 2016), 4603, https://doi.org/10.2903/j.efsa.2016.4603

Abstract

Following a request from the European Commission, the EFSA Panel on Plant Health (PLH) performed a quantitative analysis of the risk posed by the Flavescence dorée phytoplasma (FDp) in the EU territory. Three scenarios were analysed, one with current measures in place (scenario A0), one designed to improve grapevine propagation material phytosanitary status (scenario A1) and one with reinforced eradication and containment (scenario A2). The potential for entry is limited, FDp being almost non-existent outside the EU. FDp and its major ...

References

  1. ACRP, 2013. VitisClim Modelling epidemiological and economic consequences of Grapevine Flavescence dorée phytoplasma to Austrian viticulture under a climate change scenario. Final Report, https://www.klimafonds.gv.at/assets/Uploads/Projektberichte/ACRP-2009/20150716VitisclimACRP2EBB060361.pdf .
  2. AGRI4CAST, online. Interpolated Meteorological Data. Available online: http://mars.jrc.ec.europa.eu/mars/About-us/AGRI4CAST/Data-distribution/AGRI4CAST-Interpolated-Meteorological-Data .
  3. Bagnoli, B., Gargani, E., 2011. Survey on Scaphoideus titanus egg distribution on grapevine. IOBC/WPRS Bulletin, 67, 233–237.
  4. Belli, G., Fortusini, A., Osler, R., 1978. Present knowledge on diseases of the
 

Pest categorisation of Ips typographus

  
EFSA Journal, Vol. 15, No. 7. (July 2017), 4881, https://doi.org/10.2903/j.efsa.2017.4881

Abstract

The Panel on Plant Health performed a pest categorisation of the eight-toothed spruce bark beetle, Ips typographus L. (Coleoptera: Curculionidae, Scolytinae), for the EU. I. typographus is a well-defined and distinguishable species, recognised mainly as a pest of spruce (Picea spp.) in Eurasia. It also attacks other conifers such as Abies spp., Larix spp., Pinus spp. and Pseudotsuga menziesii. Native to Eurasia, I. typographus has spread from the native range of spruce to new areas in Eurasia where spruce has been ...

References

  1. Anderbrant, O., 1990. Gallery construction and oviposition of the bark beetle Ips typographus (Coleoptera: Scolytidae) at different breeding densities. Ecological Entomology 15, 1–8.
  2. Bakke, A., 1970. Evidence of a population aggregating pheromone in Ips typographus (Coleoptera: Scolytidae). Contributions from Boyce Thompson Institute 24, 309–310.
  3. Bakke, A., 1976. Spruce bark beetle, Ips typographus: pheromone production and field response to synthetic pheromones. Naturwissenschaften 63, 92–92.
  4. Bakke, A., 1989. The recent
 

Pest categorisation of Dendroctonus micans

  
EFSA Journal, Vol. 15, No. 7. (July 2017), 4880, https://doi.org/10.2903/j.efsa.2017.4880

Abstract

The Panel on Plant Health performed a pest categorisation of the great spruce bark beetle, Dendroctonus micans (Kugelann), (Coleoptera: Curculionidae, Scolytinae), for the EU. D. micans is a well-defined and distinguishable species, recognised mainly as a pest of spruce (Picea spp.) and pine (Pinus spp.) in Eurasia. Attacks on other conifers (Abies spp., Larix decidua, Pseudotsuga menziesii) are also reported. Supposedly originating from north-eastern Eurasia, D. micans has spread westward and is now distributed throughout the EU (22 Member States). It ...

References

  1. Akinci, H.A., Ozcan, G.E., Eroglu, M., 2009. Impacts of site effects on losses of oriental spruce during Dendroctonus micans (Kug.) outbreaks in Turkey. African Journal of Biotechnology 8, 3934–3939. https://www.ajol.info/index.php/ajb/article/view/62085 .
  2. Balachowsky, A., 1949. Faune de France. 50. Coleoptères Scolytides. Lechevalier, Paris, 320 pp.
  3. Bergmiller, F., 1903. Dendroctonus micans und Rhizophagus grandis. Zentralblatt für das gesamte Forstwesen, 29, 252–256.
  4. Bevan, D., King, C.J., 1983. Dendroctonus micans
 

Homologous recombination and Xylella fastidiosa host-pathogen associations in South America

  
Phytopathology, Vol. 107, No. 3. (March 2017), pp. 305-312, https://doi.org/10.1094/phyto-09-16-0321-r

Abstract

Homologous recombination affects the evolution of bacteria such as Xylella fastidiosa, a naturally competent plant pathogen that requires insect vectors for dispersal. This bacterial species is taxonomically divided into subspecies, with phylogenetic clusters within subspecies that are host specific. One subspecies, pauca, is primarily limited to South America, with the exception of recently reported strains in Europe and Costa Rica. Despite the economic importance of X. fastidiosa subsp. pauca in South America, little is known about its genetic diversity. Multilocus sequence ...

 

Italy rebuked for failure to prevent olive-tree tragedy

  
Nature, Vol. 546, No. 7657. (7 June 2017), pp. 193-194, https://doi.org/10.1038/546193a

Abstract

European Commission reveals widespread delays by the country’s authorities to halt spread of deadly plant disease. [Excerpt] A vicious pathogen that is destroying historic olive groves in Puglia, southern Italy, is marching north and threatens to reach the rest of Europe. Yet Italian authorities last year failed to track the infection’s spread, and didn’t follow containment plans agreed with the European Commission, according to an audit released last week by the commission. [...] The pathogen — for which there is no cure ...

 

New crop pest takes Africa at lightning speed

  
Science, Vol. 356, No. 6337. (04 May 2017), pp. 473-474, https://doi.org/10.1126/science.356.6337.473

Abstract

The fall armyworm (Spodoptera frugiperda) is marching across Africa and destroying maize fields with an astonishing speed, after arriving from the Western Hemisphere at least 16 months ago. The damage to maize could total $3 billion in the next 12 months. Eventually, damage could be limited with a range of pest-management techniques, including plant extracts such as neem oil or biopesticides based on viruses that infect armyworms. Parasitoid wasps could serve as biological control. Planting insect-repellant legumes alongside the maize seems ...

 

Network analysis reveals why Xylella fastidiosa will persist in Europe

  
Scientific Reports, Vol. 7, No. 1. (6 March 2017), https://doi.org/10.1038/s41598-017-00077-z

Abstract

The insect vector borne bacterium Xylella fastidiosa was first detected in olive trees in Southern Italy in 2013, and identified as the main culprit behind the ‘olive quick decline syndrome’. Since then, the disease has spread rapidly through Italy’s main olive oil producing region. The epidemiology of the outbreak is largely unstudied, with the list of X. fastidiosa hosts and vectors in Europe likely incomplete, and the role humans play in dispersal unknown. These knowledge gaps have led to management strategies ...

 

Deadly new wheat disease threatens Europe’s crops

  
Nature, Vol. 542, No. 7640. (2 February 2017), pp. 145-146, https://doi.org/10.1038/nature.2017.21424

Abstract

Researchers caution that stem rust may have returned to world’s largest wheat-producing region. [Excerpt] [...] Last year, the stem rust destroyed tens of thousands of hectares of crops in Sicily. What’s particularly troubling, the researchers say, is that GRRC (Global Rust Reference Center) tests suggest the pathogen can infect dozens of laboratory-grown strains of wheat, including hardy varieties that are usually highly resistant to disease. The team is now studying whether commercial crops are just as susceptible. [\n] Adding further concern, the centres ...

 

Commission Implementing Regulation (EU) 2016/873 of 1 June 2016 amending Regulation (EC) No 690/2008 recognising protected zones exposed to particular plant health risks in the Community

  
Official Journal of the European Union, Vol. 59, No. L 145. (June 2016), pp. 10-17
Keywords: agricultural-resources   anthonomus-grandis   bemisia-tabaci   cephalcia-lariciphila   ceratocystis-platani   cryphonectria-parasitica   curtobacterium-flaccumfaciens   daktulosphaira-vitifoliae   dendroctonus-micans   dryocosmus-kuriphilus   eli-identifier   erwinia-amylovora   european-commission   european-union   forest-pests   forest-resources   fungal-diseases   gilpinia-hercyniae   globodera-pallida   globodera-rostochiensis   glomerella-gossypii   gonipterus-scutellatus   gremmeniella-abietina   hypoxylon-mammatum   ips-amitinus   ips-cembrae   ips-duplicatus   ips-sexdentatus   ips-typographus   legislation   leptinotarsa-decemlineata   liriomyza-bryoniae   paysandisia-archon   plant-diseases   plant-pests   protection   rhynchophorus-ferrugineus   sternochetus-mangiferae   thaumetopoea-pityocampa   thaumetopoea-processionea   tree-diseases   xanthomonas-arboricola  

Abstract

[Excerpt] [:Article 1] Amendment of Regulation (EC) No 690/2008 [\n] Annex I to Regulation (EC) No 690/2008 is replaced by the text set out in the Annex to this Regulation. [:Article 2] Entry into force and application [\n] This Regulation shall enter into force on the day following that of its publication in the Official Journal of the European Union. It shall apply from 1 May 2016. [\n] [...] ...

 

Commission Regulation (EC) No 690/2008 of 4 July 2008 recognising protected zones exposed to particular plant health risks in the Community (Recast)

  
Official Journal of the European Union, Vol. 51, No. L 193. (July 2008), pp. 1-6

Abstract

[Excerpt] [:Article 1] The zones in the Community listed in Annex I are recognised as protected zones within the meaning of the first subparagraph of Article 2(1)(h) of Directive 2000/29/EC, in respect of the harmful organism(s) listed against their names in Annex I to this Regulation. [:Article 2] Directive 2001/32/EC, as amended by the acts listed in Annex II, Part A, is repealed, without prejudice to the obligations of the Member States relating to the time-limits for transposition into national law and application of the ...

 

The International Plant Sentinel Network: a tool for regional and national plant protection organizations

  
EPPO Bulletin, Vol. 46, No. 1. (April 2016), pp. 156-162, https://doi.org/10.1111/epp.12283

Abstract

[Excerpt:Introduction] A 2011 global survey of botanic gardens and arboreta, which included 204 respondents from 146 institutes, revealed that the botanic garden community has the potential to play a significant role in safeguarding plant health. However, responding institutes cited a lack of available training, resources and coordination to support any such work (Kramer & Hird 2011). Since its launch in November 2013, the International Plant Sentinel Network (IPSN) has been working to provide this support and illustrate the usefulness of such a ...

 

A horizon scan of global conservation issues for 2016

  
Trends in Ecology & Evolution, Vol. 31, No. 1. (January 2016), pp. 44-53, https://doi.org/10.1016/j.tree.2015.11.007

Abstract

This paper presents the results of our seventh annual horizon scan, in which we aimed to identify issues that could have substantial effects on global biological diversity in the future, but are not currently widely well known or understood within the conservation community. Fifteen issues were identified by a team that included researchers, practitioners, professional horizon scanners, and journalists. The topics include use of managed bees as transporters of biological control agents, artificial superintelligence, electric pulse trawling, testosterone in the aquatic ...

 

Update of a database of host plants of Xylella fastidiosa: 20 November 2015

  
EFSA Journal, Vol. 14, No. 2. (1 February 2016), pp. n/a-n/a, https://doi.org/10.2903/j.efsa.2016.4378

Abstract

Following a request from the European Commission, EFSA was tasked to periodically update its database of host plants of Xylella fastidiosa which was published in April 2015. An extensive literature search approach was used for updating the database in order to catch all new scientific developments published on the topic. Furthermore, the outputs of investigations conducted on host plants affected by X. fastidiosa in the Italian and French outbreaks were included. Literature screening and data extraction were performed using the Distiller ...

 

Development of probabilistic models for quantitative pathway analysis of plant pest introduction for the EU territory

  
EFSA Supporting Publications, Vol. 13, No. 8. (1 August 2016), pp. n/a-n/a, https://doi.org/10.2903/sp.efsa.2016.en-1062

Abstract

This report demonstrates a probabilistic quantitative pathway analysis model that can be used in risk assessment for plant pest introduction into EU territory on a range of edible commodities (apples, oranges, stone fruits and wheat). Two types of model were developed: a general commodity model that simulates distribution of an imported infested/infected commodity to and within the EU from source countries by month; and a consignment model that simulates the movement and distribution of individual consignments from source countries to destinations in the EU. The general ...

 

Development of probabilistic models for quantitative pathway analysis of plant pests introduction for the EU territory

  
EFSA Supporting Publications, Vol. 12, No. 9. (1 September 2015), pp. n/a-n/a, https://doi.org/10.2903/sp.efsa.2015.en-809

Abstract

The aim of this report is to provide EFSA with probabilistic models for quantitative pathway analysis of plant pest introduction for the EU territory through non-edible plant products or plants. [\n] We first provide a conceptualization of two types of pathway models. The individual based PM simulates an individual consignment (or a population of such consignment) by describing the stochastic change in the state of the individual consignment over time and space. The flow-based PM, simulates the flow of infested product over ...

 

Assessing and managing the current and future pest risk from water hyacinth, (Eichhornia crassipes), an invasive aquatic plant threatening the environment and water security

  
PLoS ONE, Vol. 11, No. 8. (11 August 2016), e0120054, https://doi.org/10.1371/journal.pone.0120054

Abstract

Understanding and managing the biological invasion threats posed by aquatic plants under current and future climates is a growing challenge for biosecurity and land management agencies worldwide. Eichhornia crassipes is one of the world’s worst aquatic weeds. Presently, it threatens aquatic ecosystems, and hinders the management and delivery of freshwater services in both developed and developing parts of the world. A niche model was fitted using CLIMEX, to estimate the potential distribution of E. crassipes under historical and future climate scenarios. ...

 

Planting sentinel European trees in Eastern Asia as a novel method to identify potential insect pest invaders

  
PLoS ONE, Vol. 10, No. 5. (20 May 2015), e0120864, https://doi.org/10.1371/journal.pone.0120864

Abstract

Quarantine measures to prevent insect invasions tend to focus on well-known pests but a large proportion of the recent invaders were not known to cause significant damage in their native range, or were not even known to science before their introduction. A novel method is proposed to detect new potential pests of woody plants in their region of origin before they are introduced to a new continent. Since Asia is currently considered to be the main supplier of insect invaders to ...

 

Citizen science and early detection of invasive species: phenology of first occurrences of Halyomorpha halys in Southern Europe

  
Biological Invasions (2016), pp. 1-8, https://doi.org/10.1007/s10530-016-1217-z

Abstract

Early detection of invasive alien species and the ability to track their spread are critical for undertaking appropriate management decisions. Citizen science surveys are potentially valuable tools for quickly obtaining information on biodiversity and species distributions. The Asian brown marmorated stink bug, Halyomorpha halys, is an invasive pest of agricultural crops and a dwelling nuisance. Halyomorpha halys was first recorded in Italy in 2012 in Emilia Romagna, one of the most important fruit producing regions of Europe. To rapidly obtain data ...

 

Can Apulia's olive trees be saved?

  
Science, Vol. 353, No. 6297. (2016), pp. 346-348, https://doi.org/10.1126/science.aaf9710

Abstract

On 21 October 2013, the Italian phytosanitary service notified the European Commission (EC) that the plant pathogen Xylella fastidiosa had been detected in olive trees near Gallipoli, a tourist destination in Italy's southern region of Apulia (1). This xylem-limited bacterium is spread by insect vectors and causes disease in crops such as grapevines, citrus, coffee, and almond; various ornamentals; and trees such as oaks, elms, and sycamores. Because of the risks of X. fastidiosa being introduced, established, and spread throughout Europe, ...

 

State of the world's plants - 2016

  
(2016)

Abstract

This report provides, for the first time, a baseline assessment of our current knowledge on the diversity of plants on earth, the global threats these plants currently face, and the policies in place and their effectiveness in dealing with these threats. [\n] On the diversity of plants, we can report that there are now an estimated ~391,000 vascular plants known to science of which 369,000 are flowering plants. Around 2000 new vascular plant species are described each year. In 2015 these included ...

 

(INRMM-MiD internal record) List of keywords of the INRMM meta-information database - part 26

  
(February 2014)
Keywords: inrmm-list-of-tags   pinus-brutia   pinus-bungeana   pinus-canariensis   pinus-caribaea   pinus-cembra   pinus-clausa   pinus-contorta   pinus-coulteri   pinus-densiflora   pinus-echinata   pinus-edulis   pinus-elliottii   pinus-flexilis   pinus-halepensis   pinus-heldreichii   pinus-jeffreyi   pinus-kesiya   pinus-koraiensis   pinus-lambertiana   pinus-leiophylla   pinus-leucodermis   pinus-longaeva   pinus-massoniana   pinus-merkusii   pinus-monophylla   pinus-monticola   pinus-mugo   pinus-mugo-ssp-rotundata   pinus-muricata   pinus-nigra   pinus-nigra-laricio   pinus-nigra-var-pallasiana   pinus-oocarpa   pinus-orientalis   pinus-pallasiana   pinus-palustris   pinus-peuce   pinus-pinaster   pinus-pinea   pinus-ponderosa   pinus-pungens   pinus-radiata   pinus-resinosa   pinus-rigida   pinus-rotundata   pinus-roxburghii   pinus-sabiniana   pinus-silvester   pinus-spp   pinus-strobus   pinus-sylvestriformis   pinus-sylvestris   pinus-tabulaeformis   pinus-tabuliformis   pinus-taeda   pinus-thunbergiana   pinus-thunbergii   pinus-torreyana   pinus-tropicalis   pinus-uncinata   pinus-wallichiana   pioneer-species   pip   pissodes-piceae   pissodes-spp   pissodes-strobi   pistacia-lentiscus   pistacia-spp   pistacia-terebinthus   pistacia-vera   pith   pithecellobium-unguis-cati   pityogenes-chalcographus   pityokteines-curvidens   pityostrobus   pktools   planning   plant   plant-adaptation   plant-breeding   plant-classification   plant-climate-interactions   plant-communities   plant-community   plant-consumption   plant-dictionary   plant-diseases   plant-diversity   plant-ecology   plant-functional-types   plant-genetics   plant-health   plant-height   plant-invasion   plant-migration   plant-pathogens   plant-pests   plant-physiology   plant-population-dynamics  

Abstract

List of indexed keywords within the transdisciplinary set of domains which relate to the Integrated Natural Resources Modelling and Management (INRMM). In particular, the list of keywords maps the semantic tags in the INRMM Meta-information Database (INRMM-MiD). [\n] The INRMM-MiD records providing this list are accessible by the special tag: inrmm-list-of-tags ( http://mfkp.org/INRMM/tag/inrmm-list-of-tags ). ...

 

How big a role should neonicotinoids play in food security?

  
Science, Vol. 340, No. 6133. (2013), pp. 675-675, https://doi.org/10.1126/science.340.6133.675

Abstract

Proponents of neonicotinoid-treated seeds claim that the chemicals offer many benefits besides killing pests, including improved plant vigor and higher yields. But how important are neonicotinoid seed treatments for agriculture? ...

 

Future risks of pest species under changing climatic conditions

  
PLoS ONE, Vol. 11, No. 4. (7 April 2016), e0153237, https://doi.org/10.1371/journal.pone.0153237

Abstract

Most agricultural pests are poikilothermic species expected to respond to climate change. Currently, they are a tremendous burden because of the high losses they inflict on crops and livestock. Smallholder farmers in developing countries of Africa are likely to suffer more under these changes than farmers in the developed world because more severe climatic changes are projected in these areas. African countries further have a lower ability to cope with impacts of climate change through the lack of suitable adapted management ...

 

Host-specific insect herbivores as sensors of climate change in arctic and Alpine environments

  
Arctic and Alpine Research, Vol. 30, No. 1. (1998), pp. 78-83, https://doi.org/10.2307/1551747

Abstract

The distributions of host-specific herbivorous insects along latitudinal and altitudinal gradients, particularly within arctic and alpine environments, provide useful analogs for predicted future changes that are likely to occur over time at any one location, given a gradually changing thermal environment. It is suggested that selected examples of these insect/plant systems can serve as highly responsive sensors of changing climatic temperatures. Distributions of insects that show a restricted occurrence within the overall range of their host plant are predicted to respond ...

 

The olive quick decline syndrome in south-east Italy: a threatening phytosanitary emergency

  
European Journal of Plant Pathology (2015), pp. 1-9, https://doi.org/10.1007/s10658-015-0784-7

Abstract

The olive quick decline syndrome (OQDS) is a disease that appeared suddenly a few years ago in the province of Lecce (Salento peninsula, southeastern Italy). Among the factors that may be involved in its aetiology, the most relevant is Xylella fastidiosa, a quarantine pathogen of American origin, whose presence in Italy represents its first confirmed record in the European Union. X. fastidiosa is a Gram-negative bacterium that invades the xylem of a wide range of hosts, from which it is acquired ...

 

New hosts of Xylella fastidiosa strain CoDiRO in Apulia

  
Journal of Plant Pathology, Vol. 96, No. 3. (2014)

Abstract

In the course of surveys carried out in June 2014 in the Salento (Apulia, southern Italy) area affected by an epidemic of a strain of Xylella fastidiosa subsp. pauca (Cariddi et al., 2014) denoted CoDiRO (abbreviation from the Italian name “Complesso del Disseccamento Rapido dell’Olivo”), the fol - lowing symptomatic plants were observed: (i) cherry ( Prunus avium ), 13 trees showing scanty vegetation and bud failure, but no leaf scorching; ...

 

Integrated pest management in sweet cherry (Prunus avium L.) orchards in Bulgaria

  
Journal of Fruit and Ornamental Plant Research, Vol. 12, No. Special Edition. (2004), pp. 41-47

Abstract

Sweet cherry is one of the main fruit crops in Bulgaria. Effective control of insects and mites is necessary for high yield and fruit quality, yet contamination of the fruit and the environment should be avoided. A programme for integrated pest management designed for the needs of sweet cherry orchards in Bulgaria is proposed. Treatments for major cherry pests are suggested, taking into account ...

 

Niche partition of two invasive insect species, Parectopa robiniella (Lepidoptera; Gracillariidae) and Phyllonorycter robiniella (Clem.) (Lepidoptera; Gracillariidae)

  
Research Journal of Agricultural Science, Vol. 41, No. 2. (2009), pp. 261-269

Abstract

Invasive organisms are among major threats to biodiversity. Insects, due to their mobility and short life cycle represent a vast category of expanding organisms. The black locust (Robinia pseudacacia) is also an alien species to Europe but due to the relatively long history of naturalization, it is integrated in most of central Europe landscapes. A process of natural enemy acquisitions is taking place and two new pests affect stands, hedgerows and windbreaks where R. pseudacacia vegetates: Parectopa robiniella and Phyllonorycter ...

 

First record of Obolodiplosis robiniae (Haldeman) (Diptera: Cecidomyiidae) galling leaves of Robinia pseudoacacia L. (Fabaceae) in Italy, Europe

  
Frustula Entomologica, Vol. 25 (2004), pp. 117-122

Abstract

Obolodiplosis robiniae has been recorded for the first time in Italy and Europe. Its natural distribution includes the eastern USA. This pest produces galls on the leaflets of Robinia pseudacacia [R. pseudoacacia], in particular, the margins of leaflets are rolled downwards. Usually, leaflets on the terminal parts of shoots are preferred. Relatively high infestations cause leaf fall. Larvae pupate in rolled leaf margins. The species has been widely recorded in northeastern Italy (Veneto and Friuli-Venezia Giulia). ...

 

Pleuroceras pseudoplatani (v. Tubeuf) Monod, Erreger einer Blattbräune an Bergahorn (Acer pseudoplatanus L.)

  
Nachrichtenblatt des Deutschen Pflanzenschutzdienstes, Vol. 40, No. 5. (1988), pp. 65-70

Abstract

Title: Pleuroceras pseudoplatani (v. Tubeuf) Monod, a leaf blight pathogen of sycamore (Acer pseudoplatanus L.) ...

 

Erstnachweis von Eutypella parasitica in Österreich

  
Forstschutz Aktuell, Vol. 40 (2007), pp. 10-13

Abstract

First Record of Eutypella parasitica in Austria Eutypella parasitica R.W. Davidson & R.C. Lorenz was detected in Austria in December 2006 as a cause of stem cankers on Acer pseudoplatanus. The pathogen is of North American origin, where it occurs on various species of Acer. In Europe, the fungus has been detected for the first time in Slovenia in 2005. The relatively slow spread by ascospores over short distances may be a chance for an eradication of this disease, which probably ...

 

Manuale di patologia vegetale

  
Vol. 2 (1964)
 

Investigation in central Italy of the possible association between Cryptococcus neoformans var. Gattii and Eucalyptus camaldulensis

  
European Journal of Epidemiology In European Journal of Epidemiology, Vol. 18, No. 4. (2003), pp. 357-362, https://doi.org/10.1023/a%3a1023652920595
 

Agentes bióticos do eucalitpo em Portugal

  
In O Eucaliptal em Portugal, Impactes ambientais e investigação cientifica (2007), pp. 255-282
 

Climate and Pest-Driven Geographic Shifts in Global Coffee Production: Implications for Forest Cover, Biodiversity and Carbon Storage

  
PLoS ONE, Vol. 10, No. 7. (15 July 2015), e0133071, https://doi.org/10.1371/journal.pone.0133071

Abstract

Coffee is highly sensitive to temperature and rainfall, making its cultivation vulnerable to geographic shifts in response to a changing climate. This could lead to the establishment of coffee plantations in new areas and potential conflicts with other land covers including natural forest, with consequent implications for biodiversity and ecosystem services. We project areas suitable for future coffee cultivation based on several climate scenarios and expected responses of the coffee berry borer, a principle pest of coffee crops. We show that ...

 

Dalby Söderskog revisited: long-term vegetation changes in a south Swedish deciduous forest

  
Acta Oecologica, Vol. 31, No. 2. (March 2007), pp. 229-242, https://doi.org/10.1016/j.actao.2006.12.001

Abstract

In this study, we report on 67 years of secondary succession in the temperate deciduous forest Dalby Söderskog, southern Sweden. In 2002 vegetation analyses were conducted in 74 systematically distributed plots and the results compared with similar investigations during the years 1935, 1969 and 1976. Additionally, a floristic survey of the forest was made and compared with inventories of the years 1925, 1935 and 1970. From 1970 to 2002, overall species richness of the forest continued to decline, but at a ...

 

Host plants influence parasitism of forest caterpillars

  
Nature, Vol. 417, No. 6885. (9 May 2002), pp. 170-173, https://doi.org/10.1038/417170a

Abstract

Patterns of association between herbivores and host plants have been thought to reflect the quality of plants as food resources as influenced by plant nutrient composition, defences, and phenology. Host-plant-specific enemies, that is, the third trophic level, might also influence the distribution of herbivores across plant species. However, studies of the evolution of herbivore host range have generally not examined the third trophic level, leaving unclear the importance of this factor in the evolution of plant-insect herbivore interactions. Analysis of parasitoid ...

 

Mirid Bug Outbreaks in Multiple Crops Correlated with Wide-Scale Adoption of Bt Cotton in China

  
Science, Vol. 328, No. 5982. (28 May 2010), pp. 1151-1154, https://doi.org/10.1126/science.1187881

Abstract

Long-term ecological effects of transgenic Bacillus thuringiensis (Bt) crops on nontarget pests have received limited attention, more so in diverse small holder–based cropping systems of the developing world. Field trials conducted over 10 years in northern China show that mirid bugs (Heteroptera: Miridae) have progressively increased population sizes and acquired pest status in cotton and multiple other crops, in association with a regional increase in Bt cotton adoption. More specifically, our analyses show that Bt cotton has become a source of ...

 

Tree diversity reduces herbivory by forest insects

  
Ecology Letters, Vol. 10, No. 9. (1 September 2007), pp. 835-848, https://doi.org/10.1111/j.1461-0248.2007.01073.x
Keywords: abies-balsamea   acalitus-rudis   albizia-guachapele   alsophila-pometaria   amblypelta-cocophaga   atta-cephalotes   betula-pendula   biodiversity   callophylum-brasiliense   cardiaspina-fiscella   cecidomyiidae   choristoneura-fumiferana   choristoneura-spp   chrysoptharta-bimaculata   corylus-avellana   curculio-elephas   dendroctonus-frontalis   dipteryx-panamensis   diversity   euclystis-spp   forest-pests   forest-resources   genipa-americana   hylobius-abietis   hypsipyla-robusta   lepidoptera   lymantria-dispar   matsucoccus-feytaudi   milicia-excelsa   myzocallis-coryli   neuroterus-spp   phyllobius-argentatus   phyllonorycter-spp   phytolyma-lata   picea-abies   picea-glauca   picea-sitchensis   pinus-densiflora   pinus-nigra-laricio   pinus-pinaster   pinus-strobus   pinus-sylvestris   pinus-taeda   pissodes-strobi   plant-pests   populus-angustifolia   pseudotsuga-menziesii   quercus-petraea   quercus-rotundifolia   quercus-suber   rhyacionia-frustrana   sonneratia-apetala   stigmella-spp   stryphnodendron-microstachyum   thaumetopoea-pytiocampa   thecodiplosis-japonensis   toona-ciliata   virola-koschnyi   vochysia-ferruginea   vochysia-guatemalensis   zeuzera-conferta  

Abstract

Biodiversity loss from plant communities is often acknowledged to affect primary production but little is known about effects on herbivores. We conducted a meta-analysis of a worldwide data set of 119 studies to compare herbivory in single-species and mixed forests. This showed a significant reduction of herbivory in more diverse forests but this varied with the host specificity of insects. In diverse forests, herbivory by oligophagous species was virtually always reduced, whereas the response of polyphagous species was variable. Further analyses ...

 

Assessing the potential distribution of insect pests: case studies on large pine weevil (Hylobius abietis L) and horse-chestnut leaf miner (Cameraria ohridella) under present and future climate conditions in European forests

  
EPPO Bulletin, Vol. 45, No. 2. (1 August 2015), pp. 273-281, https://doi.org/10.1111/epp.12208

Abstract

Forest insect pests represent a serious threat to European forests and their negative effects could be exacerbated by climate change. This paper illustrates how species distribution modelling integrated with host tree species distribution data can be used to assess forest vulnerability to this threat. Two case studies are used: large pine weevil (Hylobius abietis L) and horse-chestnut leaf miner (Cameraria ohridella Deschka & Dimič) both at pan-European level. The proposed approach integrates information from different sources. Occurrence data of insect pests ...

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Effects of defoliation by horse chestnut leafminer (Cameraria ohridella) on reproduction in Aesculus hippocastanum

  
Trees In Trees, Vol. 17, No. 5. (2003), pp. 383-388, https://doi.org/10.1007/s00468-003-0249-z

Abstract

In large parts of Europe horse chestnut trees (Aesculus hippocastanum) suffer from severe defoliation by an alien invasive species, the specialist leaf mining moth Cameraria ohridella (Lepidoptera; Gracillariidae). Heavily infested trees have a drastically shortened period for photosynthesis. We quantified the effect of moth infestation on reproduction of horse chestnut trees in two different cities in central Europe, Bern and Munich. C. ohridella negatively affected seed and fruit weight of A. hippocastanum at both locations. In Munich, seed weight of heavily ...

 

Response to scientific and technical information provided by an NGO on Xylella fastidiosa

  
EFSA Journal, Vol. 13, No. 4. (2015), 4082, https://doi.org/10.2903/j.efsa.2015.4082

Abstract

Following the publication of the Scientific Opinion by EFSA’s PLH Panel which assessed the risk to plant health posed by Xylella fastidiosa in the EU territory and evaluated risk reduction options, EFSA received a request for an urgent response to scientific and technical information provided by an Italian non-governmental organisation (NGO). The NGO claimed that X. fastidiosa is not the cause of olive tree decline in Lecce Province in Southern Italy, but only an endogenous element present in the trees that ...

 

Italian scientists vilified in wake of olive-tree deaths

  

Abstract

[Excerpt] [...] plant scientists at various institutes in Bari, the capital of the Puglia region, [southern Italy, ...] have been subject to a police investigation about whether they are responsible for the introduction of the bacterium, Xylella fastidiosa, into Puglia, or for allowing its subsequent spread. Police have called in several researchers involved in Xylella research for questioning and confiscated computers and documents from scientific institutes. “We’d just like to be left to do our work without this suspicion and this ...

 

Phytophthora ilicis as a leaf and stem pathogen of Ilex aquifolium in Mediterranean islands

  
Phytopathologia Mediterranea, Vol. 53, No. 3. (2014), pp. 480-490

Abstract

Between 2010 and 2013 several English holly trees showing defoliation, leaf and twig blight were found in natural ecosystems in Sardinia and Corsica. A Phytophthora species was consistently isolated from necrotic tissues of leaves and twigs, and bleeding cankers on stems. Isolates obtained were identified as Phytophthora ilicis, on the basis of morphological features, colony patterns and growth rates at different temperatures. Identity was confirmed by sequence analyses of the ITS, β-tubulin and cox1 gene regions. Two different genotypes within P. ...

 

Phytophthora root and stem rot - new disease of Ilex aquifolium "Myrtifolia" in Poland

  
Acta Mycologica, Vol. 39, No. 1. (2004), pp. 19-23, https://doi.org/10.5586/am.2004.004

Abstract

Phytophthora cinnamomi was often isolated from rotted roots and stems of English holly "Myrtifolia" together with Alternaria alternata, Cylindrocarpon destructanss, Fusarium avenaceum and other fungal species. Inoculation of leaf blades and stem parts of 4 species and 12 holly cultivars with P. cinnamomi showed the spread of rot symptoms on the most of them. On Ilex crenata tissues necrosis did not develop or spread slowly. Isolation of P. cinnamomi only from one holly cultivar in surveyed nursery indicate on transmission of ...

 

The geographical range structure of the holly leaf-miner. I. Population density

  
Journal of Animal Ecology, Vol. 71, No. 1. (January 2002), pp. 99-111, https://doi.org/10.1046/j.0021-8790.2001.00578.x

Abstract

[::] The local population density structure of a phytophagous insect, the holly leaf-miner Phytomyza ilicis Curtis, was examined across its natural geographical range in Europe. [::] The frequency distribution of the number of sample sites at which the leaf-miner attained different densities per tree was strongly right-skewed, with the species being absent from a large number of sites at which its host occurred, particularly in southern regions. [::] There was a decline in the spatial autocorrelation of leaf-miner densities with increasing distance between ...

 

The Holly Leaf-miner ( Phytomyza ilicis, Curt.) and its Parasites

  
Bulletin of Entomological Research, Vol. 30 (July 1939), pp. 173-208, https://doi.org/10.1017/s0007485300004491

Abstract

1. In Canada, European holly (Ilex aquifolium) can only be grown successfully in the mild, humid climate of western British Columbia. The sales of cut holly for decorative purposes amount to several hundred thousand dollars annually, and the tree is also in good demand for ornamental planting in public parks and private estates.2. The most serious pest of holly in this part of the world is the Agromyzid fly, Phytomyza ilicis, or the Holly Leaf-miner, which was accidentally introduced from Europe ...

 

Host Plant Selection by Aphids: Behavioral, Evolutionary, and Applied Perspectives

  
Annual Review of Entomology, Vol. 51, No. 1. (8 August 2006), pp. 309-330, https://doi.org/10.1146/annurev.ento.51.110104.151107

Abstract

▪ Abstract As phloem feeders and major vectors of plant viruses, aphids are important pests of agricultural and horticultural crops worldwide. The processes of aphid settling and reproduction on plants therefore have a direct economic impact, and a better understanding of these events may lead to improved management strategies. Aphids are also important model organisms in the analysis of population differentiation and speciation in animals, and new ideas on plant utilization influence our understanding of the mechanisms generating biological diversity. Recent research ...

 

Spatial Pattern of Abundance of the Black Bean Aphid, Aphis fabae, in Britain

  
Journal of Applied Ecology, Vol. 26, No. 2. (1989), pp. 463-472

Abstract

(1) Populations of Aphis fabae Scop. were monitored in Britain on its primary winter host, Euonymus europaeus L., on the two principal secondary summer crop hosts, springsown Vicia faba L. and sugar beet, and during the spring, summer and autumn migrations. This unique year-round monitoring was used to examine the spatial dynamics of the aphid in 1969-86. (2) Changes in the mean spatial pattern of a bundance of the aphid during a single annual cycle reflect a sequence of changing host ...

 

The Distribution and Abundance of the Spindle Tree, Euonymus europaeus, in Southern England with Particular Reference to Forecasting Infestations of the Black Bean Aphid, Aphis fabae

  
Journal of Applied Ecology, Vol. 19, No. 3. (1982), pp. 929-940

Abstract

(1) A method is discussed for determining distribution and abundance of the spindle tree, Euonymus europaeus L. This could be used for other hedgerow species. (2) The work forms part of a study on forecasting of crop infestations of the black bean aphid, Aphis fabae Scop. based on overwintering populations on spindle for which corrections need to be made for the varying abundance of this winter host. (3) In southern England, spindle occurs in hedgerows, scrubland and woodland and is generally ...

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