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亚洲百合与东方百合远缘杂交亲和性
Authors
曹钦政
贾桂霞
高雪
黄凤杰
Publication date
1 January 2015
Publisher
Doi
Cite
Abstract
为得到花色丰富、带有芳香气味、抗性强的OA或AO(O为东方百合杂种系,A为亚洲百合杂种系)型优势杂种,采用常规杂交和切割柱头的方法进行杂交,结果 AO型的22个组合,仅有亚洲百合‘Pollyanna’×东方百合‘Sambuca’这一组合得到了4个膨大的蒴果和40粒有胚种子,结实率为0.27%;85个LA(LA为Longiflorum hybrids×Asiatic hybrids的杂交后代)×O型组合均未得到完全膨大的果实和有胚种子;而21个OA型组合,有7个组合得到了膨大的蒴果及有胚种子。采用切割柱头的方法也未提高结实率,说明其没能有效克服其远缘杂交的障碍。通过花粉管荧光显微观察发现,亚洲百合和东方百合花粉几乎均能在母本的柱头上萌发,并沿着花柱道伸长生长,最终达到子房进入胚珠,说明AO型或OA型远缘杂交的受精障碍主要为受精后障碍
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of Botany,Chinese Academy Of Sciences
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Last time updated on 27/10/2022