Results 51 to 60 of about 712 (153)

Eficácia de herbicidas em diferentes quantidades de palha de cana-de-açúcar no controle de Euphorbia heterophylla Efficacy of herbicides in different amounts of sugar cane straw on Euphorbia heterophylla control

open access: yesPlanta Daninha, 2007
Este trabalho foi realizado com o objetivo de estudar o efeito de diferentes quantidades de palha de cana-de-açúcar, colhida sem queima prévia do canavial, sobre a eficácia de alguns herbicidas recomendados para esta cultura.
P.A. Monquero   +4 more
doaj   +1 more source

Commodity risk assessment of Prunus avium plants from United Kingdom

open access: yesEFSA Journal, Volume 22, Issue 7, July 2024.
Abstract The European Commission requested the EFSA Panel on Plant Health to prepare and deliver risk assessments for commodities listed in Commission Implementing Regulation (EU) 2018/2019 as ‘High risk plants, plant products and other objects'. This Scientific Opinion covers plant health risks posed by plants of Prunus avium possibly grafted on ...
EFSA Panel on Plant Health (PLH)   +33 more
wiley   +1 more source

Controle de Euphorbia heterophylla e Ipomoea grandifolia com a utilização de glyphosate isolado ou em associação com latifolicidas Control of Euphorbia heterophylla and Ipomoea grandifolia using glyphosate isolated or in association with broadleaf herbicides

open access: yesPlanta Daninha, 2010
No controle de plantas daninhas em pós-emergência na cultura da soja RR®; misturas de latifolicidas com o glyphosate têm sido utilizadas principalmente para melhorar a eficácia sobre espécies de difícil controle, a fim de se obter controle residual ou ...
A.C. Ramires   +5 more
doaj   +1 more source

Pest categorisation of Ceroplastes rubens

open access: yesEFSA Journal, Volume 22, Issue 7, July 2024.
Abstract The European Commission requested the EFSA Panel on Plant Health to conduct a pest categorisation of Ceroplastes rubens Maskell (Hemiptera: Coccidae), following the commodity risk assessments of Acer palmatum plants grafted on A. davidii and Pinus parviflora bonsai plants grafted on P. thunbergii from China, in which C.
EFSA Panel on Plant Health (PLH)   +25 more
wiley   +1 more source

A field survey of crop management practices and distribution of ALS resistant Euphorbia heterophylla in two states in southern Brazil Avaliação das práticas de manejo das lavouras e da distribuição geográfica de Euphorbia heterophylla resistente aos inibidores de als em dois estados do sul do Brasil

open access: yesPlanta Daninha, 2004
Herbicide resistance was reported in Brazil almost ten years ago. One of the main weeds with herbicide resistance is wild poinsettia (Euphorbia heterophylla). This work evaluates the distribution of ALS-resistant E. heterophylla in two states in southern
R.A. Vidal   +5 more
doaj   +1 more source

Spread of new bacterial pathogens of cultivated plants and their risks

open access: yesFood Risk Assess Europe, Volume 2, Issue 2, April 2024.
Summary The presented study was created on the basis of the assignment of the Scientific Committee of Phytosanitary and Environment for the purpose of analysing information on the risk of spreading the spectrum of new bacterial pathogens of crops from available sources (EPPO database, information from the monitoring and survey of the spectrum of the ...
Scientific Committee on Phytosanitary and Environment
wiley   +1 more source

Aplicações isoladas ou associadas de diuron, oxyfluorfen e prometryne para o controle de Euphorbia heterophylla Isolated or combined application of diuron, oxyfluorfen and prometryn for Euphorbia heterophylla control

open access: yesPlanta Daninha, 2011
A aplicação em pré-emergência no início do ciclo do algodoeiro é prática consagrada entre os produtores. Embora os herbicidas diuron, oxyfluorfen e prometryne sejam opções para uso nessa cultura, há informações limitadas referentes à eficácia desses ...
R.S Oliveira JR   +6 more
doaj   +1 more source

Commodity risk assessment of Petunia spp. and Calibrachoa spp. unrooted cuttings from Kenya

open access: yesEFSA Journal, Volume 22, Issue 4, April 2024.
Abstract The European Commission requested the EFSA Panel on Plant Health to evaluate the probability of entry of pests (likelihood of pest freedom at entry), including both regulated and non‐regulated pests, associated with unrooted cuttings of the genera Petunia and Calibrachoa produced under physical isolation in Kenya. The relevance of any pest for
EFSA Panel on Plant Health (PLH)   +33 more
wiley   +1 more source

Teste rápido de imersão foliar de Euphorbia heterophylla para confirmação de resistência a herbicidas inibidores da Protox e da ALS Quick test of foliar immersion of Euphorbia heterophylla to confirm resistance to PPO and ALS-inhibiting herbicides

open access: yesPlanta Daninha, 2011
Os testes utilizados para identificação de biótipos resistentes de plantas daninhas aos herbicidas variam segundo o tempo de execução e o grau de complexidade, sendo necessário determinar a eficácia de métodos rápidos e de simples execução.
M.M Trezzi   +5 more
doaj   +1 more source

A Horizontally Transferred Plant Fatty Acid Desaturase Gene Steers Whitefly Reproduction

open access: yesAdvanced Science, Volume 11, Issue 10, March 13, 2024.
The study reveals that the whitefly Bemisia tabaci has acquired a family of plant genes, BtFAD2, that provide it with the unique ability to synthesize PUFAs by itself, enhancing its fecundity. The results imply a divergent evolutionary scenario by which this extremely phytophagous insect has acquired plant genes for key physiological functions and ...
Cheng Gong   +12 more
wiley   +1 more source

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