نتایج جستجو برای: yield stability

تعداد نتایج: 486839  

To investigate the effect of exogenous brassinosteroid application on grain yield, catalase, chlorophyll content, membrane mtability index and gene expression of some genes involving in brassinosteroid signaling pathway (BES1 and BRI1) under drought stress, a split-split plot on randomized complete block design with three replications was conducted at the experimental field of Seed and Plant Im...

Journal: :به نژادی نهال و بذر 0
ابراهیم فرخی e. farrokhi oilseed research department, seed and plant improvement institute, p.o. box 4119, karaj 31585, iranمرکز تحقیقات کشاورزی خوزستان محمدرضا احمدی m.r. ahmadi مجید خیاوی m. khiavi اسماعیل محمدی e. mohammadi غلام حسین عرب gh.h. arab عباس علی اندرخور a. andarkhoor

the cultivar was selected first based on individual plant selection from moghan's landrace population at agricultural research center of moghan in 1982. single plant selection from the population, evaluation of the single plants and yield trial of the selected lines were carried out for four years. seventy seven lines were selected and tested in two cosecutive preliminary yield trials whic...

Journal: :The American naturalist 1997
A D Taylor

Models of parasitoid-host dynamics are analyzed that include direct density dependence in the host population and either parasitoid- or host-density-dependent variation in parasitoid recruitment per parasitized host (parasitoid "yield"). The principal question addressed is how these forms of density dependence in parasitoid dynamics combine with aggregated parasitism to affect the stability of ...

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