نتایج جستجو برای: aegilops
تعداد نتایج: 995 فیلتر نتایج به سال:
Breeding of agricultural crops adapted to climate change and resistant diseases pests is hindered by a limited gene pool because domestication thousands years human selection. One way increase genetic variation chromosome-mediated transfer from wild relatives cross hybridization. In the case wheat ( Triticum aestivum ), species genus Aegilops are particularly attractive source new genes alleles...
Meiotic chromosome pairing in Triticum aestivum is controlled by genetic systems promoting and reducing pairing. The pairing of homoeologous chromosomes is prevented principally by the activity of a single locus (Ph) distally located on the long arm of chromosome 5B. In certain hybrids, supernumerary chromosomes (B chromosomes) from Aegilops species can compensate for the absence of chromosome ...
B chromosomes (Bs) are dispensable components of the genome exhibiting non-Mendelian inheritance. Chromosome counts and flow cytometric analysis of the grass species Aegilops speltoides revealed a tissue-type specific distribution of the roughly 570 Mbp large B chromosomes. To address the question whether organelle-to-nucleus DNA transfer is a mechanism that drives the evolution of Bs, in situ ...
در این مقاله هشت گونه از تیره گندمیان، متعلق به شش قبیله که برای ایران جدید می باشد گزارش شده است به اسامی: aegilops peregrine, aeluropus pungens, calamagrostis decora, chloris virgata, digitaria strictta, echinochloa macrocarpa, eragrostis tenella, panicum capillare.
Ctenium aromaticum Panz. (Aegilops aromatica Walter, Monocera aromatica Elliott, Chloris monostachya Michaux,) is a grass restricted to wet areas of the coastal forest of the S.E. US. Knowledge of the pungent taste and numbing caused by chewing this grass dates from the 18th century or earlier (Walter, 1788; Michaux, 1805; Elliott, 1821), but use of this grass for allaying toothache was oversha...
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