نتایج جستجو برای: elymus
تعداد نتایج: 464 فیلتر نتایج به سال:
Many plants support symbiotic microbes, such as endophytic fungi, that can alter interactions with herbivores. Most endophyte research has focused on agronomically important species, with less known about the ecological roles of native endophytes in native plants. In particular, whether genetic variation among endophyte symbionts affects herbivores of plant hosts remains unresolved for most nat...
جنس Elymus از گرامینه‌‌های مهم مرتعی در ایران میباشد که در تولید علوفه و حفاظت از آب و خاک اهمیت زیادی دارد. به دلیل تولید بالا و قابلیت پذیرش عالی توسط دام، ارزش خاصی جهت چرای دام دارد. گونههای مهم این جنس در مقابل خشکی واکنشهای مختلفی از خود نشان میدهند. بهمنظور بررسی اثر خشکی در مرحله جوانهزنی گیاهچه در جمعیتهای مختلف دو گونه Elymus hispidus و Elymus pertenuis آزمایشی به صورت فاکتوریل...
PREMISE OF THE STUDY Primers were designed to produce short amplicons containing single-nucleotide polymorphisms (SNPs) in β-tubulin (tubB) and translation elongation factor 1-α (tefA) in Epichloë canadensis (Clavicipitaceae), an endophytic fungus of Elymus canadensis (Poaceae). METHODS AND RESULTS Primers to amplify regions of tubB and tefA containing suspected SNPs were designed and tested ...
RESTORATION IS AN OPPORTUNITY TO STUDY NATURAL SELECTION: One can measure the distribution of traits in source propagules used to found populations, compare this with the distribution of traits in successful recruits, and determine the strength and direction of selection on potentially adaptive traits. We investigated whether natural selection influenced seedling establishment during postfire r...
Melatonin is an important secondary messenger that plays a central role in plant growth, as well as abiotic and biotic stress tolerance. However, the underlying physiological and molecular mechanisms of melatonin-mediated cold tolerance, especially interactions between melatonin and other key molecules in the plant stress response, remain unknown. Here, the interrelation between melatonin and a...
According to the results of an experimental study closely related species Elymus ciliaris and E. amurensis growing in Russian Far East, should be considered as a single polymorphic comprising four varieties, including var. amurensis. Two varieties are described for first time. Descriptions photographs typal specimens given.
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