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Impact of High Temperature on Germination, Seedling Growth and Enzymatic Activity of Wheat

Author

Listed:
  • Sushma Sharma

    (Department of Seed Science and Technology, Chaudhary Charan Singh Haryana Agricultural University, Hisar 125004, Haryana, India)

  • Vikram Singh

    (Department of Genetics and Plant Breeding, Chaudhary Charan Singh Haryana Agricultural University, Hisar 125004, Haryana, India)

  • Hemender Tanwar

    (Department of Seed Science and Technology, Chaudhary Charan Singh Haryana Agricultural University, Hisar 125004, Haryana, India)

  • Virender Singh Mor

    (Department of Seed Science and Technology, Chaudhary Charan Singh Haryana Agricultural University, Hisar 125004, Haryana, India)

  • Mukesh Kumar

    (Department of Genetics and Plant Breeding, Chaudhary Charan Singh Haryana Agricultural University, Hisar 125004, Haryana, India)

  • Ramesh Chander Punia

    (Department of Seed Science and Technology, Chaudhary Charan Singh Haryana Agricultural University, Hisar 125004, Haryana, India)

  • Mohinder Singh Dalal

    (Department of Genetics and Plant Breeding, Chaudhary Charan Singh Haryana Agricultural University, Hisar 125004, Haryana, India)

  • Mujahid Khan

    (Agricultural Research Station (S.K.N. Agriculture University, Jobner), Sikar 332301, Rajasthan, India)

  • Sonali Sangwan

    (Department of Biotechnology, Maharishi Markandeshwar University, Mullana, Ambala 133207, Haryana, India)

  • Axay Bhuker

    (Department of Seed Science and Technology, Chaudhary Charan Singh Haryana Agricultural University, Hisar 125004, Haryana, India)

  • Chander Shekhar Dagar

    (Department of Agrometeorology, Chaudhary Charan Singh Haryana Agricultural University, Hisar 125004, Haryana, India)

  • Shikha Yashveer

    (Department of Molecular Biology, Biotechnology and Bioinformatics, Chaudhary Charan Singh Haryana Agricultural University, Hisar 125004, Haryana, India)

  • Jogender Singh

    (Krishi Vigyan Kendra (Chaudhary Charan Singh Haryana Agricultural University, Hisar), Fatehabad 125050, Haryana, India)

Abstract

Global warming has increased the temperature significantly over a large extent both spatially and temporally. The threat of heat stress during the germination and seedling establishment stages in the wheat crop is now more prevalent than ever before. The present experiment assessed the effect of elevated temperature on the germination and early seedling growth of wheat genotypes. The seeds were sown under four temperatures, viz., 20 °C, 25 °C, 30 °C and 35 °C; the germination, seedling vigor and enzyme activities in 8-day-old seedlings were assessed. The temperature significantly influenced germination and early seedling growth. The germination percentage at 20 and 25 °C was statistically on par with and higher than at 30 and 35 °C. The seedling vigor parameters were maximum at 25 °C and showed a reduction at higher temperatures. Genotypic differences were observed for early heat stress as the genotypes WH 730, WH 1123 and HD 2967 showed tolerance towards heat stress during germination, whereas the genotypes PBW 725 and WH 1105 were susceptible. Antioxidant enzyme activities in seedlings increased with the rise in temperature. Catalase, peroxidase and superoxide dismutase enzymes showed increased activities at higher temperature levels.

Suggested Citation

  • Sushma Sharma & Vikram Singh & Hemender Tanwar & Virender Singh Mor & Mukesh Kumar & Ramesh Chander Punia & Mohinder Singh Dalal & Mujahid Khan & Sonali Sangwan & Axay Bhuker & Chander Shekhar Dagar &, 2022. "Impact of High Temperature on Germination, Seedling Growth and Enzymatic Activity of Wheat," Agriculture, MDPI, vol. 12(9), pages 1-19, September.
    • Handle: RePEc:gam:jagris:v:12:y:2022:i:9:p:1500-:d:918410
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    Citations

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    Cited by:

    1. Noriza Khalid & Ákos Tarnawa & István Balla & Suhana Omar & Rosnani Abd Ghani & Márton Jolánkai & Zoltán Kende, 2023. "Combination Effect of Temperature and Salinity Stress on Germination of Different Maize ( Zea mays L.) Varieties," Agriculture, MDPI, vol. 13(10), pages 1-18, October.

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