Study on the Biological Basis of Pollination in Chinese Jujube (Zizyphus jujuba) and Wild Jujube(Z.spinosa)
Ping Liu, Xue Huizhi, Xiangyang Zou, Mengjun Liu, Mao Yongmin, Zhou Junyi
Abstract
Ping Liu, Xue Huizhi, Xiangyang Zou, Mengjun Liu, Mao Yongmin, Zhou Junyi
Abstract
采用离体培养技术对27个枣品种和酸枣的枣吊花蕾量、单花花粉量、花药开裂时间、花粉发芽率以及枣和酸枣单花不同开放阶段的花粉生活力和花粉贮藏特性进行了系统研究.结果表明:(1)不同枣品种和酸枣的枣吊花蕾量、单花花粉量、花粉发芽率存在极大差异,利用数量性状的概率分级体系可将它们分别分为3级;(2)枣和酸枣的花药开裂时间在蕾黄或蕾裂期;(3)从蕾裂到瓣平期的花粉发芽率极显著的高于蕾黄期、雄蕊展平期和雄蕊下垂期;(4)花粉贮藏后发芽率表现为下降-上升-下降的大体趋势.对杂交育种中父母本的选择、花粉采集和去雄的适宜时期也进行了讨论.
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采用离体培养技术对27个枣品种和酸枣的枣吊花蕾量、单花花粉量、花药开裂时间、花粉发芽率以及枣和酸枣单花不同开放阶段的花粉生活力和花粉贮藏特性进行了系统研究.结果表明:(1)不同枣品种和酸枣的枣吊花蕾量、单花花粉量、花粉发芽率存在极大差异,利用数量性状的概率分级体系可将它们分别分为3级;(2)枣和酸枣的花药开裂时间在蕾黄或蕾裂期;(3)从蕾裂到瓣平期的花粉发芽率极显著的高于蕾黄期、雄蕊展平期和雄蕊下垂期;(4)花粉贮藏后发芽率表现为下降-上升-下降的大体趋势.对杂交育种中父母本的选择、花粉采集和去雄的适宜时期也进行了讨论.
Key concepts: Pollination, Biology, Botany, Horticulture, Pollen