Effects of High Temperatures on Pollen Germination and Physio-Morphological Traits in Upland Cotton (Gossypium hirsutum L.)

IF 3.7 2区农林科学 Q1 AGRONOMY

Journal of Agronomy and Crop Science Pub Date : 2025-06-04 DOI:10.1111/jac.70080

Washu Dev, Fahmida Sultana, Shoupu He, Daowu Hu, Xiaoli Geng, Xiongming Du, Babar Iqbal

{"title":"Effects of High Temperatures on Pollen Germination and Physio-Morphological Traits in Upland Cotton (Gossypium hirsutum L.)","authors":"Washu Dev, Fahmida Sultana, Shoupu He, Daowu Hu, Xiaoli Geng, Xiongming Du, Babar Iqbal","doi":"10.1111/jac.70080","DOIUrl":null,"url":null,"abstract":"<div>\n \n <p>Cotton, an essential part of the worldwide textile sector, is very vulnerable to heat stress (HS), which endangers its development and output. This research assessed 18 upland cotton varieties to pinpoint resilient genotypes under heat stress by examining their physiological and morphological reactions. In the years 2019–2020, characteristics like pollen viability, cell membrane thermostability, boll weight, lint percentage and fibre quality were evaluated. Statistical analyses indicated considerable variation among cultivars under HS, showing positive correlations between pollen viability, fibre length and lint percentage, as well as a strong relationship between lint percentage and boll weight. Principal component analysis revealed clear groups of physiological, agronomic and fibre quality characteristics. Genotypes were classified into four categories: CS-85, X-62 and X-84 exhibited outstanding combined physiological and agronomic resilience, whereas MCU-5, D-55, HG-BR-8 and ZC excelled in morphological characteristics; R-89 and S-5 displayed improved lint percentage and fibre length. These results highlight the promise of particular cultivars to guide breeding initiatives aimed at developing heat-resistant cotton varieties, tackling the difficulties created by increasing global temperatures.</p>\n </div>","PeriodicalId":14864,"journal":{"name":"Journal of Agronomy and Crop Science","volume":"211 4","pages":""},"PeriodicalIF":3.7000,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Agronomy and Crop Science","FirstCategoryId":"97","ListUrlMain":"https://onlinelibrary.wiley.com/doi/10.1111/jac.70080","RegionNum":2,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"AGRONOMY","Score":null,"Total":0}

引用次数: 0

Abstract

Cotton, an essential part of the worldwide textile sector, is very vulnerable to heat stress (HS), which endangers its development and output. This research assessed 18 upland cotton varieties to pinpoint resilient genotypes under heat stress by examining their physiological and morphological reactions. In the years 2019–2020, characteristics like pollen viability, cell membrane thermostability, boll weight, lint percentage and fibre quality were evaluated. Statistical analyses indicated considerable variation among cultivars under HS, showing positive correlations between pollen viability, fibre length and lint percentage, as well as a strong relationship between lint percentage and boll weight. Principal component analysis revealed clear groups of physiological, agronomic and fibre quality characteristics. Genotypes were classified into four categories: CS-85, X-62 and X-84 exhibited outstanding combined physiological and agronomic resilience, whereas MCU-5, D-55, HG-BR-8 and ZC excelled in morphological characteristics; R-89 and S-5 displayed improved lint percentage and fibre length. These results highlight the promise of particular cultivars to guide breeding initiatives aimed at developing heat-resistant cotton varieties, tackling the difficulties created by increasing global temperatures.

查看原文本刊更多论文

高温对陆地棉花粉萌发及生理形态性状的影响

棉花是全球纺织行业的重要组成部分，非常容易受到热应激（HS）的影响，这危及其发展和产量。本研究通过对18个陆地棉品种的生理和形态反应进行评价，以确定热胁迫下抗逆性基因型。在2019-2020年，对花粉活力、细胞膜热稳定性、铃重、皮棉率和纤维质量等特性进行了评价。统计分析表明，HS下品种间差异较大，花粉活力、纤维长度和衣分呈显著正相关，衣分与铃重呈显著正相关。主成分分析揭示了其生理、农艺和纤维品质特征。基因型分为4类：CS-85、X-62和X-84表现出较强的生理农艺综合抗逆性，MCU-5、D-55、HG-BR-8和ZC表现出较强的形态抗逆性；R-89和S-5表现出较好的棉率和纤维长度。这些结果突出表明，特定品种有望指导旨在开发耐热棉花品种的育种计划，解决全球气温上升带来的困难。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

Journal of Agronomy and Crop Science 农林科学-农艺学

CiteScore

8.20

自引率

5.70%

发文量

审稿时长

7.8 months

期刊介绍： The effects of stress on crop production of agricultural cultivated plants will grow to paramount importance in the 21st century, and the Journal of Agronomy and Crop Science aims to assist in understanding these challenges. In this context, stress refers to extreme conditions under which crops and forages grow. The journal publishes original papers and reviews on the general and special science of abiotic plant stress. Specific topics include: drought, including water-use efficiency, such as salinity, alkaline and acidic stress, extreme temperatures since heat, cold and chilling stress limit the cultivation of crops, flooding and oxidative stress, and means of restricting them. Special attention is on research which have the topic of narrowing the yield gap. The Journal will give preference to field research and studies on plant stress highlighting these subsections. Particular regard is given to application-oriented basic research and applied research. The application of the scientific principles of agricultural crop experimentation is an essential prerequisite for the publication. Studies based on field experiments must show that they have been repeated (at least three times) on the same organism or have been conducted on several different varieties.