The results presents that buds from the shoot apex to the 9th unfolding leaves were in the period of physiological differentiation which can be divided into flower induction and flower initiation.
During embryogenesis, capillaries develop in the fetus by neovascularization, where endothelial cells arise from progenitor cells; and angiogenesis, in which new blood vessels sprout from old ones.
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4. 提出了室内芽苗期鉴定和高原异地自然生境下穗期鉴定相结合的耐冷性鉴定评价指标和方法。
Identification and evaluation both at lab during bud or seedling stage and in high natural altitude sites at heading stage could be regarded as one of effective approaches in Guizhou.
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5. 营养期杀虫蛋白是在苏云金芽胞杆菌营养期中发现的一种非晶体状胞外杀虫蛋白。
Using Southern blot of gene localization, vegetative insecticidal protein gene was determined neither on chromosome nor circle plasmids.
By investigating 6 kinds of Cerasus subhirtella in Beijing Yuyunatan Park in 2007, it is discovered that all frozen injured buds are flower buds, which behave as death and incompletion development.
By investigating 6 kinds of Cerasus subhirtella in Beijing Yuyunatan Park in 2007, it is discovered that all frozen injured buds are flower buds, which behave as death and incompletion development.