Results 21 to 30 of about 4,909 (204)

Differences in flight activity of pests on winter and spring oilseed rape

Plant Protection Science, 2002
For 6 years the flight activity of pests on winter and spring oilseed rape was studied from spring till harvest, using yellow traps. In all years the flight intensity was higher in winter rape than in spring rape.
Josef Šedivý, Jan Vašák
doaj   +1 more source

تأثیر غلظت مصرف کائولین و مراحل فنولوژیکی گیاه بر عملکرد، اجزای عملکرد و جمعیت شته کلزا (Brevicoryne brassicae L.) به همراه دشمنان طبیعی آن [PDF]

بوم شناسی کشاورزی, 2021
کلزا (Brevicoryne brassicae L.) یکی از مهم‌ترین گیاهان دانه روغنی است که به‌دلیل سازگاری با شرایط اقلیمی ایران کشت آن بسیار مورد توجه قرار گرفته است.
مریم معرفی, ثمین صدیق, علی همراهی   +2 more
doaj   +1 more source

Parasitism, Adult Emergence, Sex Ratio, and Size of \u3ci\u3eAphidius Colemani\u3c/i\u3e (Hymenoptera: Aphidiidae) on Several Aphid Species [PDF]

, 2017
Aphidius colemani Viereck parasitizes several economically important aphid pests of small grain crops including the greenbug, Schizaphis graminum and the Russian wheat aphid, Diuraphis noxia. The ability of A. colemani to switch from S.
Burd, J. D, Elliott, N. C, French, B. W, Kindler, S. D, Reed, D. K   +4 more
core   +2 more sources

Resposta funcional e capacidade predatória da fase larval de Ceraeochrysa caligata alimentada com Brevicoryne Brassicae

Revista Verde de Agroecologia e Desenvolvimento Sustentável, 2015
O pulgão, Brevicoryne brassicae (L.), é uma das principais pragas da cultura da couve. A necessidade de controle de insetos-pragas de forma racional e sustentável tem gerado a busca de medidas efetivas de controle.
Joel Correa Souza, Wilson José de Melo e Silva Maia, Jessivaldo Rodrigues Galvão, Pedro Paulo da Costa Alves Filho, Antônio Vinicius Corrêa Barbosa   +4 more
doaj   +1 more source

Plant extracts in the control of aphids Brevicoryne brassicae (L.) and Myzus persicae (Sulzer)
Extratos vegetais no controle dos afídeos Brevicoryne brassicae (L.) e Myzus persicae (Sulzer)

Semina: Ciências Agrárias, 2011
Were accomplished the effect of plant extracts of clove basil (Ocimum gratissimum L.), horsetail (Equisetum hyemale L.), coriander (Coriandrum sativum L.) and tobacco (Nicotiana tabacum L.) on Brevicoryne brassicae (L., 1758) and Myzus persicae (Sulzer ...
Rafael Reginato Ávila, Vanessa Durante Polonio, Caroline Caramano de Lourenço, Deise Cristina Feldhaus, Natalia de Almeida Batista, Cristina Batista de Lima, Jael Simões Santos Rando, Márcia Luiza Malanotte   +7 more
doaj   +1 more source

Foliar and Soil Treatments of Brassica napus That Elicit Antibiosis in Brevicoryne brassicae

Agronomy, 2022
In screenhouses, foliar and soil applications of induced resistance (IR), nutrient deterrence (ND), and soil amendment (SAM) treatments to canola, Brassica napus L., reduced fitness in an aphid pest, Brevicoryne brassicae L. Effects of different combinations and doses of IR, ND, and SAM on aphids were compared with those of labeled doses of Carbosulfan
Muhammad Wajid Javed, Mansoor ul Hasan, Muhammad Sagheer, Shahbaz Talib Sahi, Richard W. Mankin   +4 more
openaire   +2 more sources

Ocorrência de formas aladas de pulgões e sua relação com fatores meteorológicos e plantas hospedeiras Occurrence of alate aphids and their relationship with meteorological factors and host plants

Pesquisa Agropecuária Brasileira, 2010
O objetivo deste trabalho foi determinar o padrão de revoadas e a influência de fatores meteorológicos e de Brassicaceae sobre populações de formas aladas dos pulgões Brevicoryne brassicae, Lipaphis erysimi e Myzus persicae.
Francisco Jorge Cividanes, Terezinha Monteiro dos Santos-Cividanes   +1 more
doaj   +1 more source

Associational resistance or susceptibility:the indirect interaction between chemically-defended and non-defended herbivore prey via a shared predator [PDF]

, 2016
Many organisms possess chemical defences against their natural enemies, which render them unpalatable or toxic when attacked or consumed. These chemically-defended organisms commonly occur in communities with non- or less-defended prey, leading to ...
Barbosa, Bates, Boivin, Bridges, Castagneyrol, Chaplin-Kramer, Charnov, Daly, Denno, Eigenbrode, Eigenbrode, Eisner, Fagerström, Fournier, Francis, Fry, Halkier, Hay, Heller, Holt, Holt, Holt, Holt, Hopkins, Kalule, Kalule, Kats, Kazana, Kos, Kos, Kostenko, Lindquist, MacArthur, McCall, Müller, Nesbit, Nesbit, Opitz, Pace, Prasad, Schmitz, Scrucca, Sherratt, Staley, Trumble, Underwood, van Dam, van Veen, van Veen, Vlieger, Wahl, Williams, Zuur   +52 more
core   +2 more sources

Entomopathogenic Fungi against Cabbage Aphids, Brevicoryne brassica L. [PDF]

Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest Control, 2020
La présente étude a été menée au cours de deux saisons successives de choux (2016-2017 et 2017-2018), pour étudier l'impact des champignons entomopathogènes sur Brevicoryne brassica L. Les populations de pucerons ont été évaluées sur le terrain au début de la saison en décembre 2016 qui a commencé à apparaître sur les plants de choux.
openaire   +2 more sources

Purification and characterization of myrosinase from the cabbage aphid (Brevicoryne brassicae), a brassica herbivore [PDF]

European Journal of Biochemistry, 2001
Aphids are among the most serious insect pests of agricultural crops in the world. They often have specific hosts, and the cabbage aphid (Brevicoryne brassicae) is a specialist on Cruciferae. It has previously been described that certain insects contain the enzyme myrosinase (EC 3.2.3.1), which is considered an important defence enzyme of crucifers ...
B, Pontoppidan, B, Ekbom, S, Eriksson, J, Meijer   +3 more
openaire   +2 more sources