摘要： 56个20-1品系（来源于正且个R0植株）和212个晋燕8号品系（来源于45个R₀植株）被评价。结果表明，组织培养能够获得有益的农艺性状。82%的20-1系谱和93%的晋燕8号系谱在7个测定性状中至少有一个性状发生显着变异。对每个性状都有一些增加和降低的品系被发现，而且有益的农艺性状变化比不良的变化频率高。再生植株后代中进行选择证明：性状变异是可以遗传的，单株选择能够在作物改良中应用。获得的变异也证明：通过直接运用遗传操纵包括组织培养产生的材料，为了鉴定其有益的性状变异，应该广泛地进行试验评价。

关键词: 裸燕麦, 体细胞, 组织培养, 农艺性状, 变异频率

Abstract: The tissue culture of naleed oat somatic cells may generate agronomic variation that is potentially useful in plant improvement.82% of the 20-1 families and 93% of the GY-8 families had significant variations for at least one of the seven traits measured.Agronomically desirable variations were more frequently found.Selections among culture-derived lines demonstrated that the trait variations were heritable and that individual lines could be selected for use in plant improvement.The variation observed also demonstrated that materials prepuced by using directed genetic manipulation involving tissue culture should be tested extensively for possible quantitative trait variation.

Key words: Naked oat, Somatic cell, Agronomic trait, Tissue culture, Variation frequency

中图分类号: 

• S512.19