Cytology of Dwarf Abortion Wheat Parthenogenesis Induced by Chemical Agent

doi:10.3321/j.issn:1000-7091.2000.Z1.021

Abstract

Abstract: The ovary of dwarf abortion wheat was induced by chemical agent (500 mg. kg-1CPX+100 mg. kg-1KT+1.5%DMSO) under isolated field. The development process of the ovary observed by paraffin-cut section. The cells in embryo sac of the induced ovary, no matter cutting intersectingly or longisectingly were intumesecent at the beginning, then disappeared and the ovary wall became thinner and thinner. Finally, some of ovaries only had a layer of ovary wall while some formed a little endosperm cell near the nucella, but no embryo appeared.

Key words: Chemical agent, Induction, Dwarf abortion wheat, Parthenogenesis, Cytology

QIN Su ping, DONG Hong ping, ZHOU Li yan. Cytology of Dwarf Abortion Wheat Parthenogenesis Induced by Chemical Agent[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2000, 15(S1): 99-102. doi: 10.3321/j.issn:1000-7091.2000.Z1.021.

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