Results 101 to 110 of about 1,957 (193)

The Effect of Citrus Tree Age on Citrus Variegated Chlorosis [PDF]

open access: yesInternational Organization of Citrus Virologists Conference Proceedings (1957-2010), 2000
Agostini, J. P., Häberle, T. J.
openaire   +3 more sources

Premunização contra tristeza (VTC) como técnica obrigatória no melhoramento de citros: uma experiência vivida nos trópicos. [PDF]

open access: yes, 2013
Uma revisão sobre a premunização em citros foi feita no sentido de mostrar a necessidade de incluir essa técnica como etapa prioritária nos trabalhos de melhoramento em países onde ocorre o vírus da tristeza dos citros (VTC).
PASSOS, O. S.
core  

Alternation of host plants as a survival mechanism of leafhoppers Dilobopterus costalimai and Oncometopia facialis (Hemiptera: Cicadellidae), vectors of the Citrus Variegated Chlorosis (CVC)

open access: yesScientia Agricola, 2001
Dilobopterus costalimai (Young) and Oncometopia facialis (Signoret) are two of the most important species of citrus leafhoppers, vectors of bacterium Xylella fastidiosa which causes the Citrus Variegated Chlorosis (CVC) disease.
José Maria Milanez   +2 more
doaj  

Análise faunística e flutuação populacional de cigarrinhas (Cicadellidae: Cicadellinae) potenciais vetoras de Xylella fastidiosa associadas à cultura da videira nos municípios de Bento Gonçalves e Pinto Bandeira, RS. [PDF]

open access: yes, 2019
A cultura da videira é de grande importância econômica e social, proporcionando a geração de empregos de forma direta ou indireta. Países da América do Norte e Central estão enfrentando problemas causados pela doença de Pierce (?Pierce?s disease ...
AZEVEDO FILHO, W. S. de   +5 more
core  

Bacterial fruit tree quarantine pathogens – a threat to biosecurity in South Africa

open access: yesSouth African Journal of Science
Quarantine bacterial plant pathogens present a serious threat to the biosecurity of South Africa’s fruit tree industry, posing significant risks to agricultural productivity, trade and biodiversity.
Teresa A. Coutinho
doaj   +1 more source

Epidemiologia do cancro do castanheiro. Dinâmica da distribuição espacial de Cryphonectria parasitica (Murrill) Barr [PDF]

open access: yes, 2005
Com este trabalho pretendeu-se conhecer as características biológicas da população patogénica, os mecanismos de multiplicação e dispersão espaço-temporal e o efeito da remoção do inóculo no desenvolvimento da doença, aspectos que foram estudados durante ...
Azevedo, João   +2 more
core  

Integration of Satellite and Financial Data to Model Future Economic Impact of Citrus Crops (Final Project Report) [PDF]

open access: yes, 2005
This study analyzed the health and overall landcover of citrus crops in Florida. The analysis was completed using Landsat satellite imagery available free of charge from the University of Maryland Global Landcover Change Facility.
Shrivastava, Rahul J.
core  

Phase Transition in a Stochastic Forest Fire Model and Effects of the Definition of Neighbourhood

open access: yes, 2009
We present results on a stochastic forest fire model, where the influence of the neighbour trees is treated in a more realistic way than usual and the definition of neighbourhood can be tuned by an additional parameter.
Bak P.   +8 more
core   +1 more source

The Distribution of Xylella fastidiosa in Citrus Variegated Chlorosis-Affected Trees [PDF]

open access: yesInternational Organization of Citrus Virologists Conference Proceedings (1957-2010), 1996
Beretta, M. J. G.   +3 more
openaire   +3 more sources

Prioritizing Invasive Species Threats Under Uncertainty [PDF]

open access: yes
Prioritizing exotic or invasive pest threats in terms of agricultural, environmental, or human health damages is an important resource allocation issue for programs charged with preventing or responding to the entry of such organisms.
Moffitt, L. Joe, Osteen, Craig D.
core   +1 more source

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