Abstract:The electron microscopic observation has revealed that there also are some microfilament-like structures in the nuclei and cytoplasm of root meristematic cells of Secale cereale L. which had been pretreated with dimethyl sulfoxide (DMSO). The microfibril

Abstract:The relationship between effect of kinetin on tuber onion detached leaf senescence and activated oxygen meterbolism was investigated. During dark induced senescence, content of abcorbic acid, glutathione and activity of superoxide dismutase, catalase decr

Abstract:The changes in contents of DNA, RNA and soluble protein and the SDS-PAGE of soluble protein during somatic embryogenesis in wheat protoplast culture were studied. The results showed that the contents of DNA, RNA and protein increased rapidly while the beg

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Abstract:Using Ehrlich' s hematoxylin whole stain and resin thin sections, the development of ovule and embryo sac in rhubarb was studied, the main results were as follows: 1 . The tetrad of megaspore is T-or linear shaped and the chalazal megaspore develops into

Abstract:Vicia sativa root nodule is usually rod-shaped, it is mainly composed of many cortex cells and a very large central zone which contains meristem, infected tissue and senescent tissue. Their cortex cells are specially abundant, but they are always divided

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Abstract:In this study 6 provenances of Populus euphratica Oliv. which includes 180 indiduals were sampled for peroxidase isoenzyme analysis. The genes, evolution of P. euphratica and their interactions with environment are put forward based on the results of pero

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Abstract:The nutritive and some of the processing qualities of two varieties of wheat, Xiaoyan No.6, 7859-18, and two lines: 7852, 82 (5) , were analysed. The results indicate that there were great differences in protein fractions among these varieties, whereas on

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