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Pollen Vigor in Blooming Period and Seed Setting of Platycodon grandiflorum
Author(s): 
Pages: 1371-1375
Year: Issue:  7
Journal: Acta Botanica Boreali-Occidentalia Sinica

Keyword:  桔梗花粉活力离体萌发结实率;
Abstract: 对桔梗花粉离体萌发培养条件进行了筛选,并采用花粉离体萌发法测定了桔梗花粉发育过程中其活力的动态变化,采用人工授粉法对开花后不同时间花粉的授粉结实能力进行了研究.结果显示:(1)桔梗花粉离体萌发的最适温度为30℃,培养1.5 h是花粉管测定的最佳时间.桔梗花蕾期和开花当时花粉离体萌发率和花粉管长度均较低,开花后花粉继续发育,活力逐渐提高,到花后6 h其萌发率和花粉管长度均达到最高,分别为92.2%和...
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