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Plant Diversity ›› 2012, Vol. 34 ›› Issue (5): 459-465.DOI: 10.3724/SP.J.1143.2012.12068

• 研究论文 • 上一篇    下一篇

烟草种间杂交亲和性

 姚恒1, 郑昀晔1, 索文龙2, 马文广1   

  1. 1 云南省烟草农业科学研究院,云南 玉溪653100;2 玉溪中烟种子公司,云南 玉溪653100
  • 收稿日期:2012-05-07 出版日期:2012-10-25 发布日期:2012-06-18
  • 基金资助:

    中国烟草总公司云南省公司计划项目烟草柱头与花粉的亲和性及调控技术研究应用 (2011YN09)

Crosscompatibility of Interspecific Cross in Tobacco

 TAO  Heng-1, ZHENG  Yun-Ye-1, SUO  Wen-Long-2, MA  Wen-Guang-1   

  1. 1 Yunnan Academy of Tobacco Agricultural Science, Yuxi 653100, China;
    2 Yuxi China Tobacco Seed Co., Ltd, Yuxi 653100, China
  • Received:2012-05-07 Online:2012-10-25 Published:2012-06-18

摘要:

以野生烟草Nicotiana alata、N.rustica、N.repanda、N.stocktonnii与栽培烟草K326、红花大金元、Yun87、Yun97为材料,进行种间正反杂交,研究种间杂交亲和性。田间观察杂交后的坐果情况并统计坐果率,采用显微荧光染色观察授粉后花粉管在雌蕊上的生长情况,并结合杂交后代萌发检测的方法。结果表明:N.rustica、N.repanda、N.stocktonnii与栽培烟草杂交不亲和。N.rustica花粉能够穿过K326花柱,N.repanda和N.stocktonnii花粉在K326柱头上很少萌发生长。N.alata花粉可以穿过K326的花柱,并得到果实,但是萌发实验显示其种子无活力。N.alata作为母本与栽培烟草杂交不亲和。

关键词: 烟草, 烤烟, 亲和性, 杂交, 显微荧光

Abstract:

Four wild species of tobacco (Nicotiana alata, N.rustica, N.repanda and N.stocktonnii) and four fluecured tobacco (K326, Hongda, Yun87, Yun97), were used as experimental materials in this research. The interspecific reciprocal crosses were carried out in order to study the compatibility. The seed setting percentage of cross was counted in field, and then test seed germination. Pollen tube behaviors were observed via fluorescence microscope after pollination. The results indicated that N.rustica, N.repanda and N.stocktonnii were incompatibility with the fluecured tobacco. The pollen of N.rustica passed through the pistil of K326, but the pollens of N.repanda and N.stocktonnii were rarely growth on the pistil of K326. In spite of the pollen of N.alata passed through the pistil of K326, the hybrid tobacco seed had no vigor by the seed germination test. The female of N.alata was incompatibility with the fluecured tobacco.

Key words: Tobacco, Flue-cured tobacco, Compatibility, Cross, Fluorescent microscope

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