Short communication. Toxicity of abamectin, acetamiprid, imidacloprid, mineral oil and an industrial detergent with respect to Encarsia formosa (Gahan) parasitizing Trialeurodes vaporariorum Westwood nymphs
نویسندگان
چکیده
منابع مشابه
the effect of imidacloprid on trialeurodes vaporariorum and parasitoid wasp (encarsia formosa)
the effect of imidacloprid on the greenhouse whitefly and parasitoid wasp studied in greenhouse conditions, on lantana camara l., in a completely randomized block design with five treatments of 0.02, 0.04, 0.08, and 0.16 g/liter of insecticide and control (water) for two periods of short and long term (seven and 125 days after treatment). in short term the difference of mean of the adults’ mort...
متن کاملتأثیر حشره کش ایمیداکلپرید بر سفید گلخانه (Trialeurodes vaporariorum) و زنبور پارازیتویید Encarsia formosa
تأثیر حشره کش ایمیداکلپرید بر سفید بالک گلخانه و زنبور پارازیتویید در شرایط گلخانه و روی گیاه شاه پسند درختی، در یک طرح بلوک های کامل تصادفی با پنج تیمار شامل غلظت های 02/0، 04/0، 08/0 و 16/0 گرم بر لیتر حشره کش و شاهد (آب) در دو مرحله زیستی کوتاه مدت (هفت روز پس از سم پاشی) و بلند مدت (125 روز پس از سم پاشی) بررسی شد. تأثیر کوتاه مدت حشره کش بر میانگین درصد تلفات حشرات کامل، میزان تخم گذاری، د...
متن کاملEffects of Rearing Host Species on the Host-Feeding Capacity and Parasitism of the Whitefly Parasitoid Encarsia formosa
Parasitoids of the Encarsia genus (Hymenoptera: Aphelinidae) are important biological control agents against whiteflies. Some of the species in this genus not only parasitize their hosts, but also kill them through host feeding. The whitefly parasitoid, Encarsia formosa Gahan, was examined to determine whether the rearing host species affects its subsequent host-feeding capacity and parasitism....
متن کاملToxicity of plant essential oils to Trialeurodes vaporariorum (Homoptera: Aleyrodidae).
A total of 53 plant essential oils were tested for their insecticidal activities against eggs, nymphs, and adults of Trialeurodes vaporariorum Westwood, using an impregnated filter paper bioassays without allowing direct contact. Responses varied according to oil type and dose, and developmental stage of the insect. Bay, caraway seed, clove leaf, lemon eucalyptus, lime dis 5 F, pennyroyal, pepp...
متن کاملa comparison of teachers and supervisors, with respect to teacher efficacy and reflection
supervisors play an undeniable role in training teachers, before starting their professional experience by preparing them, at the initial years of their teaching by checking their work within the proper framework, and later on during their teaching by assessing their progress. but surprisingly, exploring their attributes, professional demands, and qualifications has remained a neglected theme i...
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ژورنال
عنوان ژورنال: Spanish Journal of Agricultural Research
سال: 2006
ISSN: 2171-9292,1695-971X
DOI: 10.5424/sjar/2006041-183