Results 81 to 90 of about 13,002 (218)

Plant protection treatments in Switzerland using unmanned aerial vehicles: regulatory framework and lessons learned

open access: yesPest Management Science, Volume 81, Issue 7, Page 3419-3429, July 2025.
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

Trichogramma nanum

open access: yes, 1946
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*

open access: yesJournal of Ecology, Volume 113, Issue 7, Page 1877-1933, July 2025.
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]

open access: yes, 2006
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

How much additive mortality is needed to suppress an outbreak?—A neglected question in forest insect pest management

open access: yesAnnals of Applied Biology, Volume 187, Issue 1, Page 111-120, July 2025.
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]

open access: yes, 2012
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]

open access: yes, 2004
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

open access: yesRevista Colombiana de Entomología, 1979
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]

open access: yes, 2014
: 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

Seletividade de inseticidas reguladores de crescimento e botânico no parasitismo de três espécies de Trichogramma em ovos de Duponchelia fovealis Zeller (Lepidoptera: Crambidae)

open access: yesEntomoBrasilis, 2017
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

Home - About - Disclaimer - Privacy