Results 101 to 110 of about 881 (172)

Compatibility of insecticides and a phagostimulant with Ganaspis kimorum, a parasitoid of Drosophila suzukii

Frontiers in Plant Science
IntroductionSpotted-wing drosophila, Drosophila suzukii (Matsumura), is a globally invasive and economically important pest of thin-skinned fruits. Behavioral manipulation strategies, such as phagostimulants, are being explored to increase efficacy and ...
Jack Collins, Yahel Ben-Zvi, John McCulloch, Ashfaq A. Sial, Robert Holdcraft, Philip Fanning, Rufus Isaacs, Elena Rhodes, Oscar Liburd, Cesar Rodriguez-Saona   +9 more
doaj   +1 more source

Environmental factors influencing flower development and accumulation of pyrethrins in pyrethrum [PDF]

, 2016
© 2016 Dr. Dilnee Danura SuraweeraPyrethrum is commercially grown for extraction of pyrethrins which accumulate in the achenes of the flowers and are used as a natural insecticide.
Suraweera, Dilnee Danura
core  

Assessment of Pyrethrin Novel Green Extraction Methods from Dalmatian Pyrethrum (Tanacetum cinerariifolium)

Applied Sciences
Six novel green extraction techniques were evaluated and optimized to extract pyrethrin from dried Dalmatian pyrethrum (Tanacetum cinerariifolium (Trevir./Sch.Bip.).
Jasna Maršić-Lučić, Stela Jokić, Maja Molnar, Martina Jakovljević Kovač, Marija Banožić, Jerko Hrabar, Ivona Mladineo   +6 more
doaj   +1 more source

Evaluating the Effectiveness of Insecticides on Spotted Lanternfly Lycorma delicatula (Hemiptera: Fulgoridae) in Kiwifruit

Insects
The spotted lanternfly (SLF), Lycorma delicatula (Hemiptera: Fulgoridae), has invaded several countries and caused significant losses to agricultural economy, especially in grapes, apples and kiwifruit production.
Zi-Jian Song, Yi-Na Bai, Zheng-Yu Luo, Rebecca Burns, Chandan Pal, Feng Zhang, Shu-Sen Shi, Rui Bi, Jin-Ping Zhang   +8 more
doaj   +1 more source

Natural Products for the Control of Scaphoideus titanus in Vineyards: A Summary of Five-Year Field Trials

Insects
Scaphoideus titanus Ball, 1932 (Hemiptera: Cicadellidae), the main vector of the phytoplasma (FDp) causing Flavescence dorée, is considered a challenging problem in European vineyards. Natural insecticides permitted for S.
Stefan Cristian Prazaru, Luigi Forlin, Leonardo Cera, Lisa D’Ambrogio, Alberto Pozzebon, Carlo Duso   +5 more
doaj   +1 more source

Flowering and vegetative propagation of pyrethrum (Chrysanthemum cinerariaefolium Vis.) in vivo and in vitro

, 1976
The influence of climatic conditions was investigated on flowering behaviour of pyrethrum ( Chrysanthemum cinerariaefolium Vis.). At low temperatures high numbers of plants initiated high numbers of flower heads.
Roest, S.
core  

A Strategic Management Approach to Reduce Pepper Weevil Damage to Jalapeño Pepper Plants with Conventional and Biorational Insecticides

Agronomy
The pepper weevil (Anthonomus eugenii) is a major pest that causes significant economic damage to several species and cultivars of pepper, including jalapeño (Capsicum annuum var. jalapeño).
Naga Mani Kanchupati, Dakshina R. Seal, Bruce Schaffer, Oscar E. Liburd   +3 more
doaj   +1 more source

Stabilization of pyrethrins for prolonged residual toxicity. I. Screening of various ingredients.

, 1976
Various solvents, vegetable and essential oils, antioxidants and seed extracts were tested for their independent effect in stabilising the residual toxicity of pyrethrins to adults of Tribolium castaneum (Hbst.). Of the solvents tested, trichloroethylene,
Ravindranath Gupta, M., Ahmed, S. M.
core  

Stabilization of pyrethrins for prolonged residual toxicity. II. Development of new formulations.

, 1976
In further investigations on the formulation of pyrethrins for prolonged action against adults of Tribolium castaneum (Hbst.), a mixture of pyrethrum extract (containing 20% pyrethrins) at 1%, with 2% sesame oil, 1% pyrogallic acid, 1% beeswax, 7.5 ...
Bhavanagary, H. M., Ravindranath Gupta, M., Ahmed, S. M.   +2 more
core  

The pyrethrins - a British viewpoint

, 1956
RESP-
Potter, C., Ward, J., Elliott, M.
core