نتایج جستجو برای: alkanna frigida
تعداد نتایج: 282 فیلتر نتایج به سال:
Casandria Walker, 1857, is transferred from the Nolidae (Collomeninae) to Erebidae (Catocalinae), as senior synonym of Acathodica Schaus, 1894. Consequently, species formerly associated with Acanthodica are herein Casandria: C. albiplena (L. B. Prout, 1919) (Acanthodica), comb. n., cabra (Dognin, 1894) chiripa coelebs drucei 1889) (Calocampa), emittens 1857 [=Agrotis daunus Druce, 1894)], syn. ...
اندام هوایی گونه های گیاهی bunium persicum ، dorema aucheri، ferullago angulata، ziziphora clinopodioides و scrophularia frigida در فصل بهار و تابستان در سال 1391 از ارتفاعات شهرستان بردسیر در استان کرمان جمع آوری گردید. از گیاه زیره کرمانی b. persicum و چویر f. angulata و کاکوتی z. clinopodioides با روش تقطیر با آب اسانس گیری شد. از گیاه d. aucheri و م sc. frigida عصاره هگزانی تهیه شد. اسانس و...
BACKGROUND Root lifespan is an important trait that determines plants' ability to acquire and conserve soil resources. There have been several studies investigating characteristics of root lifespan of both woody and herbaceous species. However, most of the studies have focused on non-clonal plants, and there have been little data on root lifespan for clonal plants that occur widely in temperate...
Winter-annual accessions of Arabidopsis thaliana require either exposure to cold stress or vernalization to initiate flowering via FRIGIDA (FRI). FRI acts as a scaffold protein to recruit several chromatin modifiers that epigenetically modify flowering genes. Here, we report that proteasome-mediated FRI degradation regulates flowering during vernalization in Arabidopsis. Our genetic and biochem...
Two hypotheses explain male-biased parasitism. Physiological costs of male sexually selected characteristics can reduce immunocompetence. Alternatively, ecological differences could generate male-biased parasitism. One method of comparing the importance of the two theories is to investigate patterns of phoresy, which are only likely to be generated by ecological rather than immunological differ...
Arabidopsis (Arabidopsis thaliana) accessions provide an excellent resource to dissect the molecular basis of adaptation. We have selected 192 Arabidopsis accessions collected to represent worldwide and local variation and analyzed two adaptively important traits, flowering time and vernalization response. There was huge variation in the flowering habit of the different accessions, with no simp...
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