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PJB-2020-98

Transcript abundance of heat shock protein genes confer heat tolerance in cotton (Gossypium hirsutum L.)

Muhammad Majid Ali, Zulfiqar Ali, Furqan Ahmad, Fahim Nawaz, Qamar Shakil, Saghir Ahmad and Asif Ali Khan
DOI:10.30848/PJB2022-1(21)


Abstract

The one dark view of industrialization is the emission of greenhouse gases from the burning of fossil fuels which lead towards temperature elevation and global warming. Global warming is a destructive force for agriculture espacially for crop husbandry. Cotton (Gossypium hirsutum L.) is the most important natural fibre crop grown across the globe and highly vulnerable due to global warming and other climatic changes. It faces biotic and abiotic stresses throughout the world including Pakistan but heat is particularly one of the major abiotic stress that impacting cotton production negatively in Pakistan. Developing heat tolerance in cotton is one of the feasible approaches to overcome the heat problem that needs existence of variability as a pre-requisite. In the present studies, 30 cotton genotypes were assessed for their response to heat stress in randomized complete block design in two replicates at the research area of MNS-University of Agriculture Multan. Relative cell membrane injury was measured to assess heat tolerance. Total RNA was extracted from the one heat tolerant and one heat sensitive genotype. Transcript abundance analysis of HSPs genes (GhHS26 and GhHS97) was performed by RT-PCR to understand the genetic basis of heat tolerance. The CIM-616 was found to be heat tolerant while the SLH-337 heat sensitive genotype.

To Cite this article: Ali, M.M., Z. Ali, F. Ahmad, F. Nawaz, Q. Shakil, S. Ahmad and A.A. Khan. 2022. Transcript abundance of heat shock protein genes confer heat tolerance in cotton (Gossypium hirsutum L.). Pak. J. Bot., 54(1): DOI: http://dx.doi.org/10.30848/PJB2022-1(21)
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