نتایج جستجو برای: brevicoryne brassicae l
تعداد نتایج: 619014 فیلتر نتایج به سال:
Anthocyanins and flavonols are secondary metabolites that can function in plant defence against herbivores. In Arabidopsis thaliana, anthocyanin and flavonol biosynthesis are regulated by MYB transcription factors. Overexpression of MYB75 (oxMYB75) in Arabidopsis results in increasing anthocyanin and flavonol levels which enhances plant resistance to generalist caterpillars. However, how these ...
The glossy cauliflower PI 234599 has been used in breeding programs as a source of resistance to diamondback moth, Plutella xylostella (L.), and other lepidopterous larvae, but the relationship between insect resistance and glossiness has not been clear. One way to clarify this relationship is to find glossy lines carrying different genes for glossiness and test their resistance to insects. In ...
ترجیح غذایی دشمنان طبیعی یکی از پدیدهه ایی است که در بررسی کارایی و انتخاب دشمنان طبیعی باید مورد توجه قرار گیرد. زمانی که به یک شکارگر حق انتخاب بین دو یا چند گونه داده می شود، اغلب یکی از آن گونه ها را به دیگری ترجیح میدهد. دو گونه شته linnaeus brevicoryne brassicae و lipaphis erysimi kaltenbach از شته های مهم در مزارع کلزا هستند که می توانند به این گیاه خسارت وارد کنند. کفشدوزک geoz...
We evaluated the sublethal (LC25) effects of three native strains two important entomopathogenic fungi (EPFs) species (Metarhizium anisopliae AB, M. Iran 245, and Beauveria bassiana 106) on cabbage aphid, Brevicoryne brassicae L. (Hemiptera: Aphididae) which is among most destructive pests cole crops. Studies were carried out in controlled conditions providing 25 ± 2 °C, 60% 5% RH a photoperiod...
Twenty-five aphids of three different species, Brevicoryne brassicae L, Myzus persicae Schulzer, and Rhopalosiphum padi L(Hemiptera: Aphididae) were each allowed to infest leaves of a young plant of their respective host plant species for 4 days, except that the oldest expanded leaf (the 'systemic' leaf) was kept free of aphids. Each preinfested plant thus had two types of leaves, local leaves ...
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