Results 41 to 50 of about 494 (136)

Emergência do capim-marmelada em duas regiões do estado do Paraná [PDF]

Pesquisa Agropecuária Brasileira, 2000
O objetivo dotrabalho foi determinar a periodicidade eintensidade da emergência, bem como a sobrevivência de sementes de capim-marmelada (Brachiaria plantaginea (Link) Hitch.) em duas regiões do Estado do Paraná.
BENEDITO NOEDI RODRIGUES, ELEMAR VOLL, INÊS FUMIKO UBUKATA YADA, JOÃO DE LIMA   +3 more
doaj   +1 more source

Nomenclature and typification of sectional names in Carex (Cyperaceae)

TAXON, Volume 74, Issue 6, Page 1543-1568, December 2025.
Abstract This paper presents an updated survey of all the published names at the section rank in Carex and its formerly accepted satellite genera. We included related names at other ranks when relevant. We address validity, legitimacy, priority, typification, and – if relevant – synonymy.
Pedro Jiménez‐Mejías, James L. Reveal, Santiago Martín‐Bravo, Juan Carlos Zamora, Isabel Larridon, Anton A. Reznicek, Robert F.C. Naczi   +6 more
wiley   +1 more source

Controle de plantas daninhas na cultura do milho-pipoca com herbicidas aplicados em pós-emergência Weed control in popcorn maize using post emergence herbicide

Planta Daninha, 2005
Objetivou-se avaliar a eficiência de controle de plantas daninhas, a tolerância e a produção de milho-pipoca UFVM2 aos herbicidas atrazine (1.500 g ha-1), foramsulfuron + iodosulfuron methyl sodium + atrazine (15+1+1.500 e 30+2+1.500 g ha-1 ...
A. Jakelaitis, A.F. Silva, A.A. Silva, L.R. Ferreira, R. Vivian   +4 more
doaj   +1 more source

Aphid proliferation in orchard alleys and canopy predator aggregation in eastern German apple orchards

Agricultural and Forest Entomology, Volume 27, Issue 4, Page 742-754, November 2025.
Abstract 1. European apple (Malus domestica) orchards face persistent threats from aphid infestations, which can severely compromise fruit yields. 2. In this study, we compared aphid communities in two microhabitats (tree canopy and orchard alley) in commercial apple orchards under organic and integrated pest management (IPM), in relation to ...
Ingrid Aline Bapfubusa Niyibizi, Benjamin Schnerch, El Aziz Djoudi, Klaus Birkhofer   +3 more
wiley   +1 more source

Avaliação da deposição da calda de pulverização em função da densidade populacional de Brachiaria plantaginea, do volume e do ângulo de aplicação: effects of density, volume and spraying angle Evaluation of spray solution retention by Brachiaria plantaginea

Planta Daninha, 2006
O presente trabalho teve por objetivo avaliar a quantidade de calda de pulverização depositada nas folhas de Brachiaria plantaginea, em aplicações de pós-emergência precoce, em que se variou o volume de calda de pulverização, a densidade de plantas m-2 e
M.S. Tomazela, D. Martins, S.R. Marchi, E. Negrisoli   +3 more
doaj   +1 more source

Dissipation study of ten insecticides in apples under field conditions

Journal of the Science of Food and Agriculture, Volume 105, Issue 12, Page 6603-6614, September 2025.
Abstract BACKGROUND Apples are among the most widely cultivated fruits in temperate climate zone. Given the potential of pests and diseases to cause significant damage to fruit production, orchardists rely on using insecticides and fungicides in infested orchards to protect apple yields.
Dana Schusterova, Jitka Stara, Frantisek Kocourek, Vojtech Hrbek, Petr Mraz, Vit Kosek, Petra Vackova, Vladimir Kocourek, Jana Hajslova, Tereza Horska   +9 more
wiley   +1 more source

INTERFERÊNCIA DO ARRANJO DE PLANTAS DANINHAS NO CRESCIMENTO DO FEIJOEIRO

Revista de Agricultura Neotropical, 2017
A produtividade média da cultura do feijoeiro pode ser considerada baixa e entre os fatores que mais impactam nessa perda está a competição com plantas daninhas.
Patrícia Lage, Marcos Antônio da Silveira Júnior, Evander Alves Ferreira, Gustavo Antônio Mendes Pereira, Enilson de Barros Silva   +4 more
doaj   +1 more source

Effect of Pest Control Strategies on Arthropod Pests of Apple in Europe: A Meta‐Analysis

Journal of Applied Entomology, Volume 149, Issue 6, Page 957-987, July 2025.
ABSTRACT Apple (Malus domestica Borkh.) is a major fruit crop in Europe. More than 200 phytophagous arthropod species thrive in European apple orchards, several of which are economically important pests. Due to the pest pressure on apple production, consumer demand for residue‐free products and current policies to make food production in the European ...
Ingrid Aline Bapfubusa Niyibizi, Pia Addison, Klaus Birkhofer   +2 more
wiley   +1 more source

Effect of weather conditions on efficacy and residue amount of two acetyl‐CoA carboxylase inhibiting herbicides in spinach

Weed Research, Volume 65, Issue 4, July/August 2025.
Abstract The risk of contamination by the acetyl‐CoA carboxylase inhibiting herbicides fluazifop‐P‐butyl and quizalofop‐P‐ethyl is significant, particularly in short‐season vegetables like spinach. This study examined meteorological factors affecting their efficacy and residue levels in spinach. Field trials were conducted in Prague, Czech Republic, in
Miroslav Jursík, Michaela Kolářová, Dana Schusterová, Josef Kučera, Jana Hajšlová   +4 more
wiley   +1 more source

Semeadura com pouco revolvimento de solo como auxílio no manejo de plantas daninhas em milho Low-disturbance sowing: a weed management tool in corn

Planta Daninha, 2010
Foi desenvolvido um equipamento, denominado ERRS, que, acoplado aos discos de corte das semeadoras de plantio direto, reduz o revolvimento de solo no momento da semeadura dos cultivos.
G. Theisen, M.A. Bianchi
doaj   +1 more source