Results 11 to 20 of about 12,357,255 (164)

Períodos de interferência de Brachiaria plantaginea na cultura do milho na região Sul do Rio Grande do Sul Interference periods of Brachiaria plantaginea in corn crops in Southern Rio Grande do Sul [PDF]

open access: yesPlanta Daninha, 2008
Os períodos de convivência das espécies daninhas têm grande influência no crescimento das plantas e na produtividade das culturas. Desse modo, objetivou-se com este trabalho determinar os períodos de competição, anterior à interferência (PAI), o crítico ...
L. Galon   +10 more
doaj   +2 more sources

Método alternativo de avaliação da absorção de atrazine por plantas de Brachiaria plantaginea Alternative method for evaluation of atrazine asorption by Brachiaria plantaginea plants [PDF]

open access: yesPlanta Daninha, 2002
Dois experimentos foram conduzidos em casa de vegetação da Universidade Estadual de Maringá-PR, objetivando desenvolver metodologia alternativa para avaliar a absorção foliar e radicular de herbicidas.
C.D.G. Maciel   +3 more
doaj   +2 more sources

Eficiência do s-metolachlor no controle de Brachiaria plantaginea na cultura do feijão sob dois manejos de irrigação S-Metolachlor efficiency in Brachiaria plantaginea control in bean crop under two irrigation management [PDF]

open access: yesPlanta Daninha, 2001
Objetivou-se neste trabalho avaliar a eficiência do s-metolachlor no controle de Brachiaria plantaginea na cultura do feijão, em duas condições de irrigação associadas às aplicações do herbicida.
S.O. Procópio   +5 more
doaj   +2 more sources

CHEMICAL CONTROL EVALUATION OF ALEXANDER GRASS (Brachiaria plantaginea) ON MAIZE (Zea mays) YIELD AVALIAÇÃO DO MÉTODO QUÍMICO DE CONTROLE DE PAPUÃ (Brachiaria plantaginea) SOBRE A PRODUTIVIDADE DO MILHO

open access: yesPesquisa Agropecuária Tropical, 2010
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Evander Alves Ferreira   +4 more
doaj   +2 more sources

Uniformidade de deposição de gotas de pulverização em plantas de amendoim e Brachiaria plantaginea Uniformity of spray droplet deposition in peanut and Brachiaria plantaginea plants [PDF]

open access: yesPlanta Daninha, 2011
Objetivou-se neste trabalho avaliar a uniformidade da deposição de gotas de pulverização em plantas de amendoim e de Brachiaria plantaginea localizadas nas linhas e entrelinhas de semeadura da cultura.
A.C.P Rodrigues-Costa   +2 more
doaj   +2 more sources

Semi-Quantitative Monitoring of Plant-Arthropod Interactions by eDNA Metabarcoding of Individual Flowers and Leaves. [PDF]

open access: yesEcol Evol
Terrestrial eDNA analysis is currently revolutionizing our ability to monitor arthropod plant interactions. But while the approach has been shown to accurately recover arthropod communities which interacted with a flower, its quantitative capabilities are limited.
Schmidt A   +6 more
europepmc   +2 more sources

Update of the <i>Xylella</i> spp. host plant database - Systematic literature search up to 31 December 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)   +9 more
europepmc   +2 more sources

Fendioxypyracil, a new and systemic PPO-inhibiting herbicide for X-spectrum weed control. [PDF]

open access: yesPest Manag Sci
This graphical abstract presents the discovery and synthesis of PPO herbicide structures with a central pyridine core, showing molecular conformations, dose–response inhibition curves for PPO1 and PPO2, and comparative weed and grass control efficacy of fendioxypyracil versus other herbicides in greenhouse and field trials.
Seiser T   +8 more
europepmc   +2 more sources

Female-induced increase of host-plant volatiles enhance specific attraction of aphid male Dysaphis plantaginea (Homoptera: Aphididae) to the sex pheromone [PDF]

open access: yes, 2009
All aphid species studied so far share the same sex pheromone components, nepetalactol and nepetalactone. Variation by different enantiomers and blends of the two components released by different aphid species are limited and can only partially explain ...
Tol, R.W.H.M., van   +3 more
core   +1 more source

Glyphosate on shikimic acid on Urochloa plantaginea. [PDF]

open access: yes, 2020
: Shikimic acid (SA) has witnessed a strong increase in recent years due to the increasing demand of the pharmaceutical and cosmetic industry. The SA is used as a precursor for the synthesis of oseltamivir phosphate (Tamiflu®), a potent viral inhibitor ...
ALMEIDA, S. D. B. de   +4 more
core   +1 more source

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