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Effect of Post-anthesis High Temperature on Seed Longevity and Vigour in Wheat (triticum Aestivum L.).


Affiliations
1 Division of Plant Improvement and Pest Management, ICAR-Central Arid Zone Research Institute, Jodhpur 342 003, India
2 Division of Seed Science and Technology, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
3 Division of Vegetable Science, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
 

The effect of post-anthesis high temperature on seed quality was studied in four promising genotypes (T 2003R, R 902, R 958 and R 965) of wheat (Trirticum aestivum L.) under a controlled environment (30°/25°C day/night temperature from 81 days after sowing to harvest matu­rity). Seed mass, density, seed membrane development, ability to germinate, subsequent seed longevity and seedling vigour declined in the seeds harvested from high temperature after post-anthesis, resulting in early maturation and poor desiccation tolerance at harvest maturity. Genotype R 965 showed greater resilience to damage compared to the other genotypes

Keywords

Climate Change, High Temperature, Postanthesis, Seed Quality, Vigour, Whea
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  • Effect of Post-anthesis High Temperature on Seed Longevity and Vigour in Wheat (triticum Aestivum L.).

Abstract Views: 268  |  PDF Views: 130

Authors

Archana Sanyal
Division of Plant Improvement and Pest Management, ICAR-Central Arid Zone Research Institute, Jodhpur 342 003, India
Monika A. Joshi
Division of Seed Science and Technology, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India
Bhoopal Singh Tomar
Division of Vegetable Science, ICAR-Indian Agricultural Research Institute, New Delhi 110 012, India

Abstract


The effect of post-anthesis high temperature on seed quality was studied in four promising genotypes (T 2003R, R 902, R 958 and R 965) of wheat (Trirticum aestivum L.) under a controlled environment (30°/25°C day/night temperature from 81 days after sowing to harvest matu­rity). Seed mass, density, seed membrane development, ability to germinate, subsequent seed longevity and seedling vigour declined in the seeds harvested from high temperature after post-anthesis, resulting in early maturation and poor desiccation tolerance at harvest maturity. Genotype R 965 showed greater resilience to damage compared to the other genotypes

Keywords


Climate Change, High Temperature, Postanthesis, Seed Quality, Vigour, Whea

References





DOI: https://doi.org/10.18520/cs%2Fv123%2Fi1%2F87-92