نتایج جستجو برای: brassica napus brevicoryne brassicae
تعداد نتایج: 14865 فیلتر نتایج به سال:
Meiotic crossovers (COs) are essential for proper chromosome segregation and the reshuffling of alleles during meiosis. In WT plants, the number of COs is usually small, which limits the genetic variation that can be captured by plant breeding programs. Part of this limitation is imposed by proteins like FANCM, the inactivation of which results in a 3-fold increase in COs in Arabidopsis thalian...
Introduction Assessment of the mating system of a crop is particularly important for the design of adequate breeding and genetic conservation programs. Genetic inbreeding and heterosis, important factors that affect the production of the crop, are related to the mating system. Brassica napus L. includes economically important crops, such as oilseed rape, rutabaga and leaf rape. B. napus is cons...
The Resistance to Powdery Mildew 8 (RPW8) locus confers broad-spectrum resistance to powdery mildew in Arabidopsis thaliana. There are four Homologous to RPW8s (BrHRs) in Brassica rapa and three in Brassica oleracea (BoHRs). Brassica napus (Bn) is derived from diploidization of a hybrid between B. rapa and B. oleracea, thus should have seven homologs of RPW8 (BnHRs). It is unclear whether these...
Host plant defenses are known to cascade up food chains to influence herbivores and their natural enemies, but how herbivore and predator traits and identity mediate such tri-trophic dynamics is largely unknown. We assessed the influence of plant defense on aphid and coccinellid performance in laboratory trials with low- vs. high-glucosinolate varieties of Brassica napus, a dietary specialist (...
شته مومی کلم(Brevicoryne brassicae L.) یکی از آفات مهم کلزا در دنیا میباشد. یکی از روشهای کنترل این آفت استفاده از ارقام مقاوم است. بدین منظور مقاومت 21 ژنوتیپ کلزا (Brassica napus L.) به شته مومی کلم طی دو سال زراعی 86- 1384 در یک آزمایش مزرعهای به صورت کرت های خرد شده در زمان در قالب طرح بلوکهای کامل تصادفی در سه تکرار در استان آذربایجانغربی ارزیابی شد. ژنوتیپهای کلزا به عنوان عامل...
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