提高棉花对干旱和热胁迫的耐性。

Q1 Veterinary
S. Ul-Allah
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引用次数: 1

摘要

干旱和热胁迫是气候变化情景下农业面临的紧迫问题,预计作物产量和产量将下降。在这种情况下,粮食和纤维作物的可持续生产是一项挑战。棉花(Gossypium hirsutum L.)是包括巴基斯坦在内的世界主要经济作物,其生长和产量受干旱和热胁迫的影响很大。发展抗旱耐热基因型是应对这种胁迫的最可持续的途径。本文就棉花对高温和干旱胁迫的不同耐受机制进行了综述。这些耐受性机制包括棉花对外界胁迫的形态、生理、生化和遗传适应。此外,还讨论了提高棉花耐热性和抗旱性的不同策略。由于这两种应力在大多数情况下是相互补充的,并且两种应力的一些机制是相同的,因此,将两者放在一起讨论。展望和面临的挑战也进行了讨论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Improving tolerance of cotton (Gossypium hirsutum L.) to drought and heat stress.
Abstract Drought and heat stress are burning issues for agriculture in the climate change scenario due to which lower yield and production of crops have been projected. In this situation, sustainable production of food and fiber crops is a challenge. Cotton (Gossypium hirsutum L.) is a major cash crop of the world including Pakistan, and its growth and yield are highly influenced by drought and heat stress. Development of drought and heat stress tolerant genotype is the most sustainable way to cope with this stress. In this review, different tolerance mechanisms of the cotton plant against heat and drought stress are discussed. These tolerance mechanisms include morphological, physiological, biochemical, and genetic adaptations of cotton plant to the external stress. Moreover, different strategies to improve the tolerance of cotton against heat and drought stress have also been discussed. As both stresses complement each other in most of the cases and some mechanisms are the same for both stresses, therefore, both are discussed together. Prospects and challenges have also been discussed.
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来源期刊
CAB Reviews: Perspectives in Agriculture, Veterinary Science, Nutrition and Natural Resources
CAB Reviews: Perspectives in Agriculture, Veterinary Science, Nutrition and Natural Resources Agricultural and Biological Sciences-Agricultural and Biological Sciences (all)
CiteScore
2.00
自引率
0.00%
发文量
41
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