南疆机采棉品种光合特性与产量性状相关性分析

doi:10.6048/j.issn.1001-4330.2019.07.005

新疆农业科学 ›› 2019, Vol. 56 ›› Issue (7): 1214-1223.DOI: 10.6048/j.issn.1001-4330.2019.07.005

• 作物遗传育种·种质资源·分子生物学 • 上一篇下一篇

南疆机采棉品种光合特性与产量性状相关性分析

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

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

收稿日期:2019-05-29 出版日期:2019-07-20 发布日期:2019-09-05
通信作者: 李雪源(1964-),男,辽宁沈阳人,研究员,研究方向为陆地棉育种与高产栽培,(E-mail)xjmh2338@163.com
作者简介:郑巨云(1981-),男,河北怀安人,副研究员,博士研究生,研究方向为陆地棉遗传育种,(E-mail)zjypp8866@126.com
基金资助:
国家重点研发计划“西北内陆优质机采棉花新品种培育”(2017YFD0101600);天山青年计划“优秀青年科技人才培养项目”(2017Q050)

Study on Correlation between Photosynthetic Characteristics and Yield Traits of Different Planting Patterns of Machine-picked Cotton Varieties in Southern Xinjiang

ZHENG Ju-yun¹, WANG Jun-duo¹, GONG Zhao-long¹, LIANG Ya-jun¹, DOU Xian-yun², AI Xian-tao¹, GUO Jiang-ping¹, Moming¹, LI Xue-yuan¹

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

Received:2019-05-29 Online:2019-07-20 Published:2019-09-05
Correspondence author: LI Xue-yuan(1964- ),male, native place :Liaoyang, Xinjiang. Professor, deputy director, research field: Cotton breeding and high yield cultivation,(E-mail) xjmh2338@163.com
Supported by:
Supported by the National Key R & D Program Project "Cultivation of New Cotton Varieties with High-quality Picked by Machines in the Northwest of China" (2017YFD0101600)and Tianshan Youth Plan of Xinjiang "Training Project of Outstanding Young S&T Talents"(2017Q050)

摘要/Abstract

摘要： 【目的】分析不同机采棉品种单叶、群体光合性状与产量性状的关系,研究高产采棉品种单叶、群体光合特性,筛选个体及群体高光效品种,为机采棉产量遗传改良提供种质资源及理论支持。【方法】利用Li6400便携式光合仪、先驰st-303二氧化碳分析仪,分别测试5个不同类型机采棉品种花铃期的群体光合、单叶光合性状指标以及产量性状相关指标,进行显著性及相关性分析。【结果】群体光合、单叶光合性状均与产量性状指标呈正相关,但群体光合性状与产量性状相关性强于单叶光合性状;群体光合有两个峰值,分别在12:00~14:00及16:00~18:00两个时间段,最大值出现在12:00~14:00;上、中、下部单叶光合性状指指标存在差异,中、下部位叶片与产量相关性强于上部叶片与产量相关性,其中中部叶片单叶净光合速率与气孔导度与产量性状存在显著相关;17N11号群体光合速率、单叶净光合速率均是最高,分别为3.64gCO₂/(m²·h)和36.8 μmol/(m²·s),17N6号次之,为34.5 μmol/(m²·s)。【结论】群体光合速率与产量光合性状具有较强相关性,中部叶片单叶光合性状指标与产量性状相关性强于上部及下部,17N11号与17N6号单叶及群体光合性状各指标合理,产量也相对较高,可作为高光效高产机采棉品种资源,为高光效、高产机采棉育种提供核心亲本。

关键词: 机采棉; 单叶光合; 群体光合; 产量性状; 相关性

Abstract: 【Objective】 By studying the relationship between single leaf, population photosynthetic traits and yield traits of different mechanically picked cotton varieties, the single leaf and population photosynthetic characteristics of high yield cotton varieties were determined, and individuals and population high light efficiency varieties were selected to provide germplasm resources and theoretical support for genetic improvement of mechanically picked cotton yield. 【Method】The photosynthesis, single leaf photosynthetic characteristics and yield traits of five different types of machine cotton varieties (lines) were measured with the Li6400 portable photosynthetic apparatus and the Xianchi st-303 carbon dioxide analyzer. 【Result】The result showed that there was a positive correlation between canopy photosynthetic rate and single-leaf photosynthetics. The canopy photosynthetic rate was more strongly associated with yield traits than with single-leaf photosynthetic traits. There were two peaks in population photosynthesis, the first one was 3.04-3.64 gCO₂/(m²·s) at 12:00-14:00; the second one was 3.00-3.35 gCO₂/(m²·s) at 16:00-18:00. There were differences in the index of single leaf photozygous index between upper, middle and lower leaves. The correlation between middle and lower leaves and yield was stronger than that between upper leaves and yield. Thereinto, there was a significant correlation between net photosynthetic rate and stomatal conductivity and yield traits in the middle parts of leaves. The highest canopy photosynthetic rate and net photosynthetic rate of 5 cotton varieties was 17N11,which was 3.64 gCO₂/(m²·s) and 36.8 μmol/(m²·s) respectively through difference significance test of statistics method, followed by 17N6, which was 34.5 μmol/(m²·s). 【Conclusion】There was a strong correlation between canopy photosynthetic rate and yield traits and the correlation between photosynthetic traits and yield traits in the middle leaves was stronger than that in the upper and lower leaves. Generally, the photosynthesis performance indexes of 17N11 and 17N6 were reasonable, which could be used as the intermediate material for advancing photosynthesis efficiency of high-efficiency machine-picked cotton varieties.

Key words: machine-picked cotton ; single leaf photosynthesis; group photosynthesis; yield trait; correlation

中图分类号:

S562

郑巨云, 王俊铎, 龚照龙, 梁亚军, 窦先运, 艾先涛, 郭江平, 莫明, 李雪源. 南疆机采棉品种光合特性与产量性状相关性分析[J]. 新疆农业科学, 2019, 56(7): 1214-1223.

ZHENG Ju-yun, WANG Jun-duo, GONG Zhao-long, LIANG Ya-jun, DOU Xian-yun, AI Xian-tao, GUO Jiang-ping, Moming, LI Xue-yuan. Study on Correlation between Photosynthetic Characteristics and Yield Traits of Different Planting Patterns of Machine-picked Cotton Varieties in Southern Xinjiang[J]. Xinjiang Agricultural Sciences, 2019, 56(7): 1214-1223.

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南疆机采棉品种光合特性与产量性状相关性分析

Study on Correlation between Photosynthetic Characteristics and Yield Traits of Different Planting Patterns of Machine-picked Cotton Varieties in Southern Xinjiang

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