Results 21 to 30 of about 540 (155)

SUPRESSÃO IMPOSTA PELO ATRAZINE A Digitaria horizontalis EM FUNÇÃO DO ESTÁDIO DE DESENVOLVIMENTO [PDF]

open access: yesRevista Caatinga, 2010
Atrazine is a herbicide applied to a number of important crops, but litle has been done to study the susceptibility of species like Digitaria horizontalis to such herbicide. This work was carried out to evaluate the effect of the stage of development of Digitaria horizontalis at spraying on the suppression imposed by atrazine.
Dan, Hugo Almeida   +4 more
openaire   +4 more sources

Levantamento de plantas infestantes em lavouras de milho 'safrinha'no estado de São Paulo Weed survey in autumn corn crops in the state of São Paulo, Brazil

open access: yesPlanta Daninha, 1999
Fez-se o levantamento da flora infestante na lavoura do milho "safrinha" nas duas principais regiões de plantio no Estado de São Paulo, em 1995. Foram visitadas 85 lavouras na Região do Médio Vale do Paranapanema e 29 na Região Norte.
Aildson P. Duarte, Robert Deuber
doaj   +2 more sources

Controle de plantas daninhas na cultura da ameixa carmesin (Prunus salicina) através do uso de herbicidas com ação residual em pós emergência

open access: yesSemina: Ciências Agrárias, 1987
Com o objetivo de verificar o comportamento de algumas combinações prontas de herbicidas na cultura da ameixa e a eficácia no controle das plantas daninhas, foi conduzido em experimento à nível de campo em solo de textura arenosa, no ano de 1987, em ...
José Carlos Vieira da Almeida   +5 more
doaj   +2 more sources

Eficiência do herbicida oxyfluorfen, quando veiculado ao papel, no controle de algumas espécies daninhas Effect of the herbicide oxyfluorfen using paper as a vehicle on the weed control [PDF]

open access: yesPlanta Daninha, 1995
Com o objetivo de encontrar um método alternativo de aplicação de herbicidas, estudou-se a eficiência do oxyfluorfen aplicado em três doses (0, 480 e 960g/ha) sob duas formas (pulverizado e veiculado em folha de papel) no controle em pré-emergência de ...
Alexandre J. Bezutte   +3 more
doaj   +3 more sources

INTERFERÊNCIA DA Brachiaria Decumbens Stapf. SOBRE PLANTAS DANINHAS EM SISTEMA DE CONSÓRCIO COM O MILHO [PDF]

open access: yesRevista Caatinga, 2011
Forage plants cultivated in consortium with crop corn, facilitating the weed control in farming and cattle raising ecosystem, interfering not only in your biological productivity, like in your potential of distribution and infestation in area.
MARCELO JÚNIOR GIMENES   +3 more
doaj   +4 more sources

Comportamento de diversas plantas daninhas, de ocorrência comum no estado de São Paulo, em relação a duas espécies de nematóides das galhas: segunda parte

open access: yesPlanta Daninha, 1985
Estudou-se o comportamento de dez espécies de plantas daninhas, comuns no Estado de São Paulo, quando o solo em que vegetavam foi inoculado com os nematóides das galhas Meloigodyne javanica (raça 4) ou M. javanica. As avaliações foram feitas 50 dias após
L.C.C.B. Ferraz
doaj   +2 more sources

Update of the Xylella spp. host plant database - systematic literature search up to 30 June 2023. [PDF]

open access: yesEFSA J, 2023
Abstract This scientific report provides an update of the Xylella spp. host plant database, aiming to provide information and scientific support to risk assessors, risk managers and researchers dealing with Xylella spp. Upon a mandate of the European Commission, EFSA created and regularly updates a database of host plant species of Xylella spp.
European Food Safety Authority (EFSA)   +5 more
europepmc   +2 more sources

Update of the Xylella spp. host plant database - systematic literature search up to 31 December 2022. [PDF]

open access: yesEFSA J, 2023
Abstract This scientific report provides an update of the Xylella spp. host plant database, aiming to provide information and scientific support to risk assessors, risk managers and researchers dealing with Xylella spp. Upon a mandate of the European Commission, EFSA created and regularly updates a database of host plant species of Xylella spp.
European Food Safety Authority (EFSA)   +3 more
europepmc   +2 more sources

Update of the <i>Xylella</i> spp. host plant database - Systematic literature search up to 30 June 2025. [PDF]

open access: yesEFSA J
Abstract This scientific report provides an update of the Xylella spp. host plant database, aiming to provide information and scientific support to risk assessors, risk managers and researchers dealing with Xylella spp. Upon a mandate of the European Commission, EFSA created and regularly updates a database of host plant species of Xylella spp.
European Food Safety Authority (EFSA)   +8 more
europepmc   +2 more sources

Pest categorisation of <i>Pantoea ananatis</i>. [PDF]

open access: yesEFSA J, 2023
Abstract The EFSA Plant Health Panel performed a pest categorisation of Pantoea ananatis, a Gram‐negative bacterium belonging to the Erwiniaceae family. P. ananatis is a well‐defined taxonomic unit; nonetheless, its pathogenic nature is not well defined and non‐pathogenic populations are known to occupy several, very different environmental niches as ...
EFSA Panel on Plant Health (PLH)   +24 more
europepmc   +2 more sources

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