نتایج جستجو برای: sterile or male
تعداد نتایج: 3748009 فیلتر نتایج به سال:
efl/esl textbooks have been regarded as essential language teaching materials with which the learners spend about 70 up to 90 percent of their class time. the important role they play and their vast use make them not only influential in learning the language but also in shaping values and attitudes. put it another way, textbooks socialize learners using their contents (i.e. texts, illustrations...
Sterile insect technique has been successfully applied in the control of agricultural pests; however, it a limited ability to mosquitoes. A promising alternative approach is Trojan Y Chromosome strategy, which works by manipulating sex ratio population through introduction YY supermales that guarantee male offspring. To take advantages both approaches, combined chromosome strategy and sterile (...
hybrid rice varieties are potentially higher yielding than the best inbred varieties and perform better under adverse conditions of drought and salinity. one of the major impediments for seed production of hybrid rice is incomplete panicle exsertion in the cytoplasmic male sterile lines. the unexserted spikelets which are left inside the flag leaf sheath remain unfertile. this research was focu...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید