Results 81 to 90 of about 13,002 (218)
Unmanned aerial vehicles (UAVs) are increasingly used for plant protection treatments. We describe the corresponding Swiss regulatory framework. We also summarize practical experiences gained from technical assessments performed within this framework, field use patterns and the results of field efficacy trials.
Thomas Anken +15 more
wiley +1 more source
57.Trichogramma nanum (Zehntner). Chaetosticha nana Zehntner, Arch. voor de Java-Suikerindustrie 4: 400, pl. 5, figs. 9-11, 1896. (The figure is labeled Trichogramma nana.) Barrigada, June 14, ex eggs of Cosmolyce boeticus on Crotalaria, Swezey; Piti, Oct. 10, 11, 28, ex eggs of Catopsilia crocale (Cramer) on leaves of Cassia grandis, Swezey. Two slide
openaire +1 more source
Biological Flora of Britain and Ireland: Cytisus scoparius*
Broom is an attractive and common native plant across Britain, Ireland and most of Europe, and yet it is considered a harmful and invasive weed around the rest of the world. This is aided by broom thriving on poor dry soils, helped by using green stems for photosynthesis and having root nodules to fix nitrogen.
Peter A. Thomas +9 more
wiley +1 more source
Effects of deltamethrin on the reproduction of Trichogramma cordubensis (Hymenoptera: Trichogrammatidae) [PDF]
Copyright © 2006, Taylor & Francis.The influence of deltamethrin on the reproduction of Trichogramma cordubensis, a thelytokous egg parasitoid, was investigated by studying egg maturation and daily fecundity of insecticide treated wasps and offspring ...
Cabral, Susana +3 more
core +1 more source
Outbreak‐prone insects often undergo explosive population growth despite high natural mortality caused by predators, disease, host toxicity and inclement weather. Although contemporary forest pest management focuses on short‐term tree protection, there is increasing interest in developing strategies to directly suppress outbreaks.
Rob C. Johns +4 more
wiley +1 more source
Plant protection in organic apple production: A summary of research conducted under the German Federal Programme for Organic Agriculture and other forms of Sustainable Agriculture [PDF]
In this focus area, research projects were carried out on two main subjects: apple scab (Venturia inaequalis) and codling moth (Cydia pomonella). Scab control projects started in 2002, projects on codling moth control in 2006, and research on both topics
ANON, AN
core
Ants as predators of the egg parasitoid Trichogramma cacoeciae (Hymenoptera: Trichogrammatidae) applied for biological control of the olive moth, Prays oleae (Lepidoptera: Plutellidae) in Portugal [PDF]
The detrimental effect of predators on Trichogramma cacoeciae March. releases to control the olive moth, Prays oleae Bern., in the Trás-os-Montes region (Northeast of Portugal), was evaluated during three releases against the flower generation of the ...
Bento, Albino +5 more
core +1 more source
ALGUNAS OBSERVACIONES SOBRE Trichogramma
Poblaciones naturales de Trichogramma (Hymenoptera: Trichogrammatidae) frecuentemente han controlado plagas en el campo. Actualmente en Colombia se produce el parásito comercialmente para liberación en el campo con el fin de controlar varias especies de plagas lepidópteras. El presente estudio da a conocer algunas observaciones sobre Trichogramma que
openaire +1 more source
Effects of pesticides used in soybean crops to the egg parasitoid Trichogramma pretiosum. [PDF]
: This research aimed to study the effects of different insecticides, herbicides and fungicides on eggs, larvae and pupae of Trichogramma pretiosum. The results showed that studied pesticides had different impact on T. pretiosum.
BUENO, A. de F. +3 more
core +1 more source
Resumo. A mariposa Duponchelia fovealis Zeller (Lepidoptera: Crambidae) é uma espécie exótica que se tornou praga-chave do morangueiro no Brasil, causando severos danos nas folhas e frutos. Dentre os grupos químicos que são promissores para o controle da
Renata Rodrigues +4 more
doaj +1 more source

