高加索三叶草与白三叶草及其杂交胚离体培养技术的研究

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三叶草属(Trifolium L.)植物是优良的一年生或多年生豆科牧草,具有固氮能力,可以提高土壤肥力、增加地面覆盖、控制杂草生长、保持土壤湿度、减少土壤侵蚀,是保持水土的好材料。高加索三叶草(T.ambiguum Bieb.)产量高、抗旱、抗寒能力强,但其固氮能力差。白三叶草(T.repens L.)根瘤固氮能力强,但其根系浅,喜湿、喜暖。为了培育结合双亲优良特性的三叶草新种,本试验将引自新西兰的六倍体高加索三叶草与生长在内蒙古大兴安岭的四倍体野生白三叶草进行种间杂交。由于高加索三叶草和白三叶草亲
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