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中文摘要：
以青花菜F_1代杂交种绿雄60为材料,研究了青花菜小孢子单核靠边期花蕾的特征。结果表明,通过整枝可以得到发育整齐的青花菜小孢子花蕾,当花蕾长度为3.70~4.70 mm时,单核靠边期小孢子比例最高,此时花蕾为绿色,花药黄绿色,花瓣/花药为0.83~1.00。以上指标可以作为青花菜小孢子取样的参考指标。
英文摘要：
Lüxiong 60 of Brassica oleracea L as the experimental material,the characteristics of mid-late uninucleate stage of microspore bud side is researched. The result shows that the training can get a neat microspore bud development,when the bud length is 3.70 ~ 4.70 mm,mononuclear side has the highest percentage of microspore stage,the buds of green,anthers yellow-green,petals/anther ratio is 0.83 ~ 1.00. These indicators can be a reference index of broccoli microspore sampling,provide the basis for accurate sampling.
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