甘草有性生殖特性研究
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国家科技重大专项“重大新药创制”课题、河北省自然科学基金、河北省科技厅项目


Study on the sexual reproduction properties of the liquorice
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    摘要:

    本文利用扫描电子显微镜对乌拉尔甘草、光果甘草和胀果甘草花粉的超微结构进行观察;利用荧光显微镜确定乌拉尔甘草的授粉方式、花粉生活力和柱头活性以及授粉后受精时间。结果表明花粉超微结构为甘草的鉴别提供了一定的形态学依据;甘草的授粉方式属于闭花受精;花粉生活力在每天12:00时最强,去雄后超过四天的柱头已经不具备接受花粉的能力;对授粉后不同时间的雌蕊进行研究得出授粉后6h花粉管进入胚珠进行受精。本文主要对甘草的有性生殖特性进行了研究,为未来制定正确的选、育种策略提供理论依据。

    Abstract:

    The ultrastructure of the pollen in the Glycyrrhiza uralensis F., Glycyrrhiza glabra L., and Glycyrrhiza inflata Batal. was observed by the scanning electron microscope (SEM). The pollination way, the pollen viability and the stigma activity, the fertilization time ascertainment after pollination were observed by the fluorescence microscope. The results showed that the study on the ultrastructure of pollen offered certain morphology basis for the discrimination of the liquorice. The pollination way of the liquorice was cleistogamy. The pollen viability was the highest at 12:00 in daytime, and the stigma had no ability to accept the pollen exceeding four days after artificial emasculation. The pollen tube entered into the ovule to fertilize 6h after pollination when the fixed pistils were observed different time after pollination. In order to establish the correct strategy of seed selection and breeding of the liquorice in the future, the sexual reproduction properties of the liquorice was studied in the study.

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引用本文

马春英,屈平,王文全.甘草有性生殖特性研究[J].植物遗传资源学报,2012,13(4):0.

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历史
  • 收稿日期:2010-09-03
  • 最后修改日期:2011-03-04
  • 录用日期:2011-06-01
  • 在线发布日期: 2013-01-15
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