نتایج جستجو برای: trichogramma pintoii
تعداد نتایج: 764 فیلتر نتایج به سال:
Euselasia eucerus (Hewitson, 1872) (Lepidoptera: Riodinidae) is a Brazilian native species commonly found in Eucalyptus plantations. Biotic mortality factors of this defoliator were studied in a Eucalyptus urophylla plantation in Minas Gerais State, Brazil aiming to identify natural enemies and their impact on this insect. Euselasia eucerus had biotic mortality factors during all development st...
The production of tomato in Pakistan is affected by Helicoverpa armigera, which causes significant crop loss. Farmers mostly use insecticides to control the pest, but an excessive and indiscriminate these products has resulted environmental health hazards. Trichogramma promoted as alternative bio-control method. This study aimed look at gender-related barriers against uptake farmers Punjab, Sin...
field studies were conducted during the cotton crop seasons in 2003 and 2004 at ccs haryana agricultural university, hisar, to identify mortality factors in the egg stage of helicoverpa armigera (hübner) (lepidoptera: noctuidae) in the insecticide-free cotton fields to gain an insight into the role of these factors in causing egg specific mortality. eggs were collected from cotton fields on dif...
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