中国农业科技导报

• 棉花研究专栏 •    下一篇

陆地棉品种资源耐复合盐碱性综合评价分析

王俊铎1,曾辉2,龚照龙1,梁亚军1,艾先涛1,郭江平1,莫明1,李雪源1,郑巨云1*   

  1. 1.新疆农业科学院经济作物研究所, 乌鲁木齐 830091; 2.新疆师范高等专科学校数理学院, 乌鲁木齐 830063
  • 收稿日期:2019-03-25 出版日期:2019-10-15 发布日期:2019-05-10
  • 通讯作者: *通信作者:郑巨云,副研究员,博士,主要从事陆地棉抗旱耐盐碱资源研究。E-mail:zjypp8866@126.com
  • 作者简介:王俊铎,副研究员,硕士,研究方向为陆地棉遗传育种。E-mail:135799725299@126.com。
  • 基金资助:
    新疆维吾尔自治区公益性科研院所基本科研业务经费项目(KY2017078);国家转基因生物新品种培育科技重大专项(2019ZX08005004-009);天山青年计划项目(2017Q050)资助。

Comprehensive Assessment of Complex Salt-alkali Tolerance of the Upland Cotton Varities Resources

WANG Junduo1, ZENG Hui2, GONG Zhaolong1, LIANG Yajun1, AI Xiantao1, GUO Jiangping1,  MO Ming1, LI Xueyuan1, ZHENG Juyun1*   

  1. 1.Economic Corps Research Institute, Xinjiang Academy of Agricultural Sciences, Urumqi 830091; 2.Department of Mathematical and Physical Sciences, Xinjiang Teachers College, Urumqi 830063, China
  • Received:2019-03-25 Online:2019-10-15 Published:2019-05-10

摘要: 以119份国内外陆地棉品种资源为试验材料,测定了复合盐碱胁迫下陆地棉的叶绿素(Chl)、株高(PH)、果枝(FB)、果节(FN)、始节高(HFN)、叶面积(LA)、单株结铃数(BN)、铃重(BW)、衣分(LP)共9个农艺性状指标,并采用模糊数学的隶属函数法对陆地棉的耐盐性进行综合评价。结果表明:复合盐碱胁迫下,不同地域陆地棉的Chl、PH、FB、FN、HFN、LA、BN、BW、LP的耐盐系数存在差异,其中LP、BW、Chl差异较小,变异系数为0.078~0.171;而FN、BN、LA差异较大,变异系数为0.34~0.48。综合评价结果显示,119份陆地棉品种资源中,耐盐性为敏感(42.8%)和中耐盐(37.0%)的材料占多数,并筛选得到豫棉15、KK-1047、新陆中69等20份高耐盐及耐盐材料,可以为陆地棉耐盐遗传改良的亲本材料。

关键词: 陆地棉, 复合盐碱胁迫, 耐盐系数, 综合评价

Abstract: This paper determined the 9 agronomic traits of upland cotton under complex salt-alkali stress  including chlorophyll content (Chl), plant height (PH), fruit branch (FB), fruit node (FN), height of the first node (HFN), leaf area (LA), boll number (BN), boll weight (BW), lint percent (LP) by using 119 domestic and abroad upland cotton varieties resources. Then the salt tolerance of upland cotton was evaluated by membership function method of fuzzy mathematics. The results showed that: there were differences in the salt tolerance coefficients of Chl, PH, FB, FN, HFN, LA, BN, BW and LP of upland cotton in different regions under complex salt-alkali stress, in which  the differences of LP, BW and Chl were small with the variation coefficient of 0.078~0.171. However, FN, BN and LA were significantly different with a variation coefficient of 0.34~0.48. The comprehensive evaluation results showed that among 119 upland cotton variety resources, most of the materials were salt tolerance sensitivity (42.8%) and medium salt tolerance (37.0%), and 20 materials with high salt tolerance and salt tolerance, such as YM 15, KK-1047 and XLZH 69 etc., were selected which could be used as the parental lines of upland cotton for improvement of  salt tolerance.

Key words: upland cotton, complex salt-alkali tolerance, salt tolerant coefficient;comprehensive assessment