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中国农学通报

中国农学通报 ›› 2016, Vol. 32 ›› Issue (36): 91-95.doi: 10.11924/j.issn.1000-6850.casb16050101

所属专题： 棉花

• 农学 农业基础科学 • 上一篇    下一篇

早熟、机采杂交棉F1、F2不同果枝层位纤维品质分析研究

郭景红,李玉国,赵 海,姚炎帝   

  1. (新疆石河子农业科学研究院,新疆石河子 832000）
  • 收稿日期:2016-05-17 修回日期:2016-12-08 接受日期:2016-07-25 出版日期:2016-12-26 发布日期:2016-12-26
  • 通讯作者: 郭景红
  • 基金资助:
    新疆生产建设兵团农业科技攻关项目“优质机采杂交棉新品种选育”(2016AC027)；石河子市科技计划项目“早熟杂交棉新品种选育”(2016HZ008)。

Fiber Quality of Difference Branch Positions: Precocious and

Guo Jinghong, Li Yuguo, Zhao Hai, Yao Yandi   

  1. (Xinjiang Shihezi Academy of Agricultural Sciences, Shihezi Xinjiang 832000)
  • Received:2016-05-17 Revised:2016-12-08 Accepted:2016-07-25 Online:2016-12-26 Published:2016-12-26

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摘要： 为探索自育杂交种‘新陆早70号’F1、F2之间纤维品质存在的差异性。2014—2015年以‘新陆早70号’为试验品种，通过田间试验，定点定株取样，取不同果枝层位正常吐絮棉铃，分别对‘新陆早70号’F1、F2的纤维品质指标进行了检测。结果分析表明，F1、F2纤维长度、比强度、麦克隆值、整齐度、伸长率、纺纱均匀性指数6项品质指标平均数间无显著差异，且次数分布走向基本一致。F1、F2纤维品质指标均以棉株中部第4~6层表现最优，其次是第7~8层，第1~3层最次。纤维品质F1群体中较优的个体数明显多于F2，F2群体表现为纤维品质范围出现向两极分化的趋势，品质较优的纤维个体数减少，品质较劣个体数略有增加。

关键词: 圩区, 圩区, 氮, 磷, 排水, 施肥

Abstract: The aim was to explore the difference of fiber quality between ‘Xinluzao No.70’ F1 and F2 generation. ‘Xinluzao No.70’ was used as an experimental variety in 2014-2015. In field trials, the fiber quality indicators from generation F1and F2 of ‘Xinluzao No.70’ were detected respectively by fixed point and fixed plant sampling and taking normal opening bolls of different branch positions. The results showed that, the average of six quality indicators, including length, strength, micronaire, uniformity, elongation, spinning consistency index of generationF1 and F2 , had no significant difference, and the frequency distribution was basically the same. The fiber quality indicators were the best in the layer 4-6 in the middle of the cotton plant, followed by the 7-8 layer, layer 1-3 was the worst. The cotton with superior fiber quality in F1 generation was more than that in F2 generation, the group of F2 generation showed a polarization trend in fiber quality, the better fiber quality individual number decreased, the inferior quality individual number increased slightly.