Results 71 to 80 of about 980 (161)

První český chmel v kvalitě bio [PDF]

open access: yes, 2012
Historie organického pěstování chmele ve světě začala v polovině 80. let minulého století v Bavorsku. V roce 2011 se organickému pěstování chmele věnovalo 55 farem v deseti zemích světa.
Jezek, Josef   +3 more
core  

Robuuste bladluisbestrijding: een stappenplan [PDF]

open access: yes, 2010
Jaarlijks veroorzaken bladluizen schade aan gewassen. Naast zuigschade aan de planten, vervuilen kolonies luizen het gewas en de vruchten. Om dit te voorkomen zijn preventieve en curatieve maatregelen noodzakelijk.
Bloemhard, C.M.J., Messelink, G.J.
core   +1 more source

Combining lacewings and parasitoids for biological control of foxglove aphids in sweet pepper [PDF]

open access: yes, 2016
The role of natural enemy diversity in biological pest control has been debated in many studies, and understanding how interactions amongst predators and parasitoids affect herbivore populations is crucial for pest management.
Messelink, Gerben J., Rocca, Margarita
core   +2 more sources

Synthèse bibliographique sur la relation tritrophique (plante hôte / ravageur / prédateur) [PDF]

open access: yes, 2021
A l’état initial de tout projet de gestion visant à limiter les populations d’un organisme nuisible, insecte ravageur, plusieurs stratégies de lutte peuvent être envisagées, y compris la lutte biologique.
FARHI, Sabrina, LAKEHAL, Rachda
core  

Comparative studies on the suitability of two aphelinids, Aphelinus asychis WALKER and Aphelinus varipes FÖRSTER (Hym., Aphelinidae), for the biological control of Aphis gossypii GLOVER (Hom., Aphididae) [PDF]

open access: yes, 2008
Die Gurkenblattlaus Aphis gossypii GLOVER (Hom., Aphididae) ist ein weltweit verbreiteter, polyphager Schädling, dessen Wirtspflanzenspektrum verschiedene Feld- und Gewächshauskulturen wie z. B. Malvaceen (Baumwolle, Hibiskus) und Curcurbitaceen (Gurken,
Blaeser, Peter   +2 more
core  

ワタアブラムシを使ったショクガタマバエ (双翅目 : タマバエ科) の簡易飼育法 [PDF]

open access: yes, 2008
A predacious gall midge, Aphidoletes aphidimyza (Rondani) is one of the effective biological control agents against aphids. In Japan, A. aphidimyza has been recorded as a biological control agent since 1998, and has been used especially in greenhouses ...
安部 順一朗   +3 more
core   +2 more sources

Interactions between aphids and aphidophages in citrus orchards in the Chlef region (North West of Algeria)

open access: yesActa Agriculturae Slovenica
The objective of this study is to inventory and identify the different species of aphids and aphidophages associated with them in citrus orchards in the Chlef region (Algeria) in order to promote predation and parasitism interactions for the ultimate ...
Dalila AMOKRANE   +3 more
doaj   +1 more source

The predators of aphids on apples in the region East Sarajevo (Bosnia and Herzegovina)

open access: yesPlant Protection Science
Predators of aphids on apples were studied during the growing season in 2021 and 2022 in the region of East Sarajevo, Bosnia and Herzegovina. Eleven predator species were found on eight apple cultivars in the colonies of three aphid species, Aphis spp ...
Dejana Stanic
doaj   +1 more source

Attraction of Aphidius ervi (Hymenoptera: Braconidae) and Aphidoletes aphidimyza (Diptera: Cecidomyiidae) to Sweet Alyssum and Assessment of Plant Resources Effects on their Fitness [PDF]

open access: yes, 2018
The green peach aphid Myzus persicae (Sulzer) (Hemiptera: Aphididae) is one of the most economically important aphid species affecting crops worldwide. Since many natural enemies of this aphid have been recorded, biological control of this pest might be ...
Aparicio, Yahana   +2 more
core   +1 more source

Kinky sex and suicidal mating behaviour in Aphidoletes aphidimyza

open access: yes, 2003
De galmug Aphidotetes aphidimyza is een heel goede biologisce bestrijder van bladluizen. Het kweken van grote aantallen galmuggen is echter niet eenvoudig, aangezien veel vrouwtjes onvruchtbaar zijn of weinig eieren leggen. Bij toeval werden in 'vieze' kweekkooien met spinnenwebben veel meer galmugnakomelingen gevonden. Bij nader onderzoek bleek dat de
van Lenteren, J.C., Schettino, M.
openaire   +1 more source

Home - About - Disclaimer - Privacy