高温胁迫对不同棉花品种光合作用及产量性状的影响

doi:10.6048/j.issn.1001-4330.2018.10.003

新疆农业科学 ›› 2018, Vol. 55 ›› Issue (10): 1786-1793.DOI: 10.6048/j.issn.1001-4330.2018.10.003

高温胁迫对不同棉花品种光合作用及产量性状的影响

龚照龙^1,2,郑巨云²,梁亚军²,王俊铎²,郭江平²,陈全家¹

1.新疆农业大学,乌鲁木齐 830052;
2.新疆农业科学院经济作物研究所,乌鲁木齐 830091

发布日期:2019-01-24
通信作者: 陈全家(1972-),男,新疆人,教授,博士生导师,研究方向为棉花遗传育种,(E-mail)chqjia@126.com
作者简介:龚照龙(1988-),男,新疆沙湾人,助理研究员,研究方向为陆地棉育种,(E-mail)867568564@qq.com
基金资助:
国家自然科学基金新疆联合基金(U1403284);新疆农业科学院青年基金项目(xjnkq-2017003)

The Impact of High Temperature Stress on Photosynthetic Characteristics, Yield and Fiber Traits of Different Cotton Varieties during Flowering and Boll-setting Stage

GONG Zhao-long^1,2,ZHENG Ju-yun²,LIANG Ya-jun²,WANG Jun-duo², GUO Jiang-ping²,CHEN Quan-jia¹

1.Xinjiang Agricultural University, Urumqi 830052, China;
2. Research Institute of Cash Crops, Xinjiang Academy of Agricultural Sciences, Urumqi 830091, China

Published:2019-01-24
Correspondence author: CHEN Quan-jia(1972-),male,native place: Xinjiang. Professor,Doctoral supervisor,research field: Cotton heredity and breeding. (E-mail)chqjia@126.com

摘要/Abstract

摘要： 【目的】 研究高温胁迫下不同棉花品种之间光合性状、产量性状及品质性状的差异,分析高温胁迫对棉花光合特性的影响,筛选耐高温品种,为耐高温品种选育提供理论支持。【方法】 测试20份陆地棉资源材料在高温胁迫后,叶片净光合速率、蒸腾速率、气孔导度、胞间CO₂浓度、光合水分利用率等5项生理指标,以及单株结铃、单铃重、衣分、籽棉产量、皮棉产量、纤维长度、比强度、马克隆值、整齐度、伸长率10个性状,研究其差异性及相关性。【结果】 20份材料在高温胁迫后光合特性和产量性状存在极显著差异,纤维品质存在差异但不显著,棉花品种间耐热性的表现不同,单株结铃和单铃重这两个产量性状和净光合速率、蒸腾速率、水分利用率呈正相关。【结论】 在高温胁迫环境下,中棉所35号、湘棉11号、鄂棉10号的光合能力相对较强,产量性状相对较高,具有较强的耐高温特性,筛选出材料可以作为耐高温育种的种质资源。

关键词: 棉花; 耐高温; 光合特性; 产量品质性状

Abstract: 【Objective】 The aim of this study is to clarify the effects of high temperature stress on photosynthetic traits and screen high temperature tolerant varieties by studying the differences of photosynthetic characters, yield traits and quality characters among different cotton varieties under high temperature stress, in the hope of breeding ing theoretical support for breeding high temperature resistant varieties.【Method】 Five physiological indexes: leaf net photosynthetic rate, transpiration rate, stomatal conductance, intercellular CO₂ concentration and photosynthetic water use efficiency were measured in 20 upland cotton resources under high temperature stress, and boll setting per plant, boll weight per plant, lint percentage, yield of seed cotton, ling yield, fiber length, specific strength, micronaire value, uniformity and elongation were studied to find out their difference and relevance.【Result】 The results showed that photosynthetic traits and yield traits of 20 varieties decreased compared with CK at flowering and boll setting stage, high temperature resistance of 20 cultivars was significantly different in different varieties, but there were no differences in fiber traits. The boll number per plant and boll weight were positively associated with net photosynthetic rate, transpiration rate and water use efficiency.【Conclusion】 The net photosynthetic rate and yield of Zhongmian 35,Xiang mian 11 and Emian10 were relatively high among all the cultivars under high temperature stress through comparative analysis, which could be used for improvement of cotton breeding for anti-high temperature as the medial material and parent selection.Key words: cotton; high temperature resistance; photosynthetic traits; yield and fiber traits

Key words: cotton; high temperature resistance; photosynthetic traits; yield and fiber traits ; ; ; Key words: cotton; high temperature resistance; photosynthetic traits; yield and fiber quality traits

中图分类号:

S562

龚照龙,郑巨云,梁亚军,王俊铎,郭江平,陈全家. 高温胁迫对不同棉花品种光合作用及产量性状的影响[J]. 新疆农业科学, 2018, 55(10): 1786-1793.

GONG Zhao-long,ZHENG Ju-yun,LIANG Ya-jun,WANG Jun-duo, GUO Jiang-ping,CHEN Quan-jia. The Impact of High Temperature Stress on Photosynthetic Characteristics, Yield and Fiber Traits of Different Cotton Varieties during Flowering and Boll-setting Stage[J]. Xinjiang Agricultural Sciences, 2018, 55(10): 1786-1793.

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高温胁迫对不同棉花品种光合作用及产量性状的影响

The Impact of High Temperature Stress on Photosynthetic Characteristics, Yield and Fiber Traits of Different Cotton Varieties during Flowering and Boll-setting Stage

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