نتایج جستجو برای: early autumn freezing
تعداد نتایج: 713178 فیلتر نتایج به سال:
Canine embryos (8-cell to blastocyst stages) frozen-thawed using the slow-freezing method with glycerol (four recipients) or dimethyl sulfoxide (three recipients) as a cryoprotectant and vitrified-warmed using the Cryotop method (five recipients) were surgically transferred into the unilateral uterine horn of recipient bitches. As a result, the morphology of embryos frozen-thawed using the slow...
شب پره ی مینوز برگ گوجه فرنگی، tuta absoluta (meyrick)، آفت جدی گوجه فرنگی، lycopersicum esculentum miller می باشد. در این تحقیق ویژگی های زیستی مینوز برگ گوجه فرنگی روی پنج رقم گوجه فرنگی (به نام هایsuper strain b، super chief، early urbana y111، mobil و early urbana y) و نیز تاثیر مقادیر مختلف کود مرغی (شامل شاهد، 5، 10، 15، 20و 25 درصد در گلخانه و شاهد، 100، 200 و 300 کیلوگرم در هکتار در مزر...
Cold acclimation is an important adaptive response of plants from temperate regions to increase their freezing tolerance after being exposed to low nonfreezing temperatures. The three CBF genes are well known to be involved in cold acclimation. As the 3 CBF genes are linked tandemly in the Arabidopsis genome, it is almost impossible to obtain cbf triple mutants using traditional genetic methods...
Many species show changes in distribution and phenotypic trait variation in response to climatic warming. Evidence of genetically based trait responses to climate change is, however, less common. Here, we detected evolutionary variation in the landscape-scale distribution of a genetically based chemical polymorphism in Mediterranean wild thyme (Thymus vulgaris) in association with modified extr...
Endogenous corticosteroids influence brain development and behavioral expression. In rat pups, a corticosteroid-dependent developmental response is behavioral inhibition, which occurs in situations involving threat. Behavioral inhibition consists of freezing and a reduction in ongoing behavior. It is presently unknown which brain region(s) that bind corticosterone (CORT) is involved in the deve...
Background and Objectives: Freezing under statically electric fields is one of the novel freezing methods to improve the quality of frozen products by controlling the nucleation process. The objective of this study was to investigate effects of freezing under electrostatic fields on the freezing parameters and microstructures of frozen button mushrooms. Materials and Methods: Mushroom samples w...
Originating in a tropical climate, maize has faced great challenges as cultivation has expanded to the majority of the world's temperate zones. In these zones, frost and cold temperatures are major factors that prevent maize from reaching its full yield potential. Among 30 elite maize inbred lines adapted to northern China, we identified two lines of extreme, but opposite, freezing tolerance le...
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