Results 101 to 110 of about 13,002 (218)

Oviposition behavior of Plutella xylostella onto cabbages covered with nets [PDF]

open access: yes, 2011
Plusieurs expérimentations de terrains menées en zone tropicale en Afrique et en Asie ont montré l'efficacité des filets anti-insectes pour protéger les cultures de choux contre les Lépidoptères en particulier Plutella xylostella.
Coffi, Hubert Kacou   +3 more
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Biotecnologia de produção massal e manejo de Trichogramma para o controle biológico de pragas. [PDF]

open access: yes, 2014
Uso de Trichogramma no Brasil e no mundo; Biotecnologia de producao massal de Trichogramma; Uso de Trichogramma em programas de manejo integrado de pragas - MIP; Controle de qualidade na producao e manejo de Trichogramma; Impacto ambiental dos ...
ALMEIDA, R. P. de   +2 more
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Egg parasitoids of the genus Trichogramma in Germany : comparison and discussion of available checklists (Hymenoptera: Trichogrammatidae) [PDF]

open access: yes, 2008
Die Notwendigkeit des vorliegenden Beitrags zur Trichogramma-Fauna in Deutschland hat folgende Gründe: 1) Die Erfassung der Fauna dient der Kenntnis und der Erhaltung der genetischen und biologischen Vielfalt im Sinne der Konvention zur Biodiversität. 2)
Schöller, Matthias, Zimmermann, Olaf
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Necremnus artynes (Walker, 1839) (Eulophidae), a potential beneficial for the biological control of Tuta absoluta (Meyrick, 1917) [PDF]

open access: yes, 2011
Since its initial detection in Spain in 2006, the gelechiid Tuta absoluta spread rapidly in the Mediterranean Basin and even elsewhere in Europe. It is now a major constraint for all tomato growers (Deneux et al., 2010). At this moment, the best strategy
Delvare, Gérard   +2 more
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Novos parasitoides das pragas do algodoeiro recem identificados no Paraguai [PDF]

open access: yes, 2007
Main inventories of cotton pests' parasitoids were made in Paraguay by B. Michel and P. Prudent (1987 to 1992). Collections of pests and their natural enemies have been done mainly during field visits of the national cotton program (PIEA) experimental ...
Aberlenc, Henri-Pierre   +4 more
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Do wildflower strips enhance pest control in organic cabbage? [PDF]

open access: yes, 2009
Within this project we assess whether wildflower strips and companion plants increase the control of cabbage pests Plutella xylostella L. (Lepidoptera: Plutellidae), Mamestra brassicae L. (Lepidoptera: Noctuidae) and Pieris rapae L.
Leimgruber, A.   +8 more
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Nuevos registros y distribución de especies de trichogramma (hymenoptera: trichogrammatidae) en el Estado Lara, Venezuela New reports and distribution of Trichogramma species (Hymenoptera: Trichogrammatidae) in Lara State, Venezuela

open access: yesBioagro, 2010
Se realizaron estudios de campo y de laboratorio para obtener nuevos registros y distribución de las especies del género Trichogramma en varios municipios del estado Lara, Venezuela.
José Morales   +5 more
doaj  

Wildflower strips to reduce lepidopteran pests in cabbage crops [PDF]

open access: yes, 2006
Vegetable production systems are highly intensive and the periodic cultivations lead to un-favourable conditions for natural enemies. Using non-crops it is possible to create ecological infra-structure offering suitable food for natural enemies, and ...
Lichtenhahn, Martin   +3 more
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Effectiveness of four release doses of two parasitoids species, Trichogramma (Hymenoptera: Trichogrammatidae) in some biological aspects of the lesser date moth Batrachedra amydraula Meyricke (Cosmopteridae: Batrachedridae) on date palm trees in Basrah /Iraq.

open access: yesActa Agriculturae Slovenica
Date palms are infested with various destructive insect pests, which cause major economic losses. One of these pests is the smaller date moth Batrachedra amydraula. The study aimed to examine the effectiveness of two different Trichogramma egg parasites
Ghazwan FAISAL AL-SAEDI
doaj   +1 more source

Suscetibilidade a inseticidas e parasitismo natural por Trichogramma sp. em Traça-do-tomateiro. [PDF]

open access: yes, 2014
A traça-do-tomateiro é uma praga importante do tomate e inseticidas são freqüentemente empregados para o seu controle. Porém, devido ao impacto ambiental e a possibilidade de resistência aos produtos utilizados para o controle do inseto, o controle ...
CASTELO BRANCO, M., DEBONI, T. C.
core   +1 more source

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