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The Promotive Effect of Putrescine on Growth, Biochemical Constituents, and Yield of Wheat ( Triticum aestivum L.) Plants under Water Stress

Author

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  • Hebat-Allah A. Hussein

    (Botany and Microbiology Department, Faculty of Science (Girls), Al-Azhar University, Nasr City, Cairo 11754, Egypt
    Biology Department, University College of Nairiyah, University of Hafr Al-Batin, Nairiyah 31991, Saudi Arabia)

  • Shifaa O. Alshammari

    (Biology Department, College of Science, University of Hafr Al-Batin, Hafr Al-Batin 31991, Saudi Arabia)

  • Marwa E. Abd El-Sadek

    (Botany and Microbiology Department, Faculty of Science (Girls), Al-Azhar University, Nasr City, Cairo 11754, Egypt)

  • Sahar K. M. Kenawy

    (Botany and Microbiology Department, Faculty of Science (Girls), Al-Azhar University, Nasr City, Cairo 11754, Egypt)

  • Ali A. Badawy

    (Botany and Microbiology Department, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt)

Abstract

Drought stress is a significant environmental variable affecting wheat growth and development. Plant stress tolerance is intimately related to growth regulators of plants as polyamines. The study assessed the impact of drought (50% water irrigation and 100% water irrigation), priming of grains in putrescine (0.25, 0.5, and 1 mM), and their interactions on the growth, yield, and physiological attributes of wheat plants. Drought conditions declined plant height, fresh and dry weights, leaves and tillers numbers, and flag leaf area. However, applying putrescine, especially at (1 mM), enhanced wheat growth performance in normal or water-deficit conditions. Drought stress decreased spike length (28.6%), number of spikelets (15.6%), number of grains (30.3%), the weight of the spike (23.5%), and the weight of the grains/spike (37.5%). In addition, drought decreased the contents of chlorophyll a, chlorophyll b, free amino acids, and total phenols, while applying putrescine enhanced wheat plant growth performance in normal or drought conditions. Putrescine at (1 mM) achieved the highest increase in plant height (38.8%), root length (50%), leaves number (166%), tillers number (80%), flag leaf area (70.3%), shoot fresh weight (99.4%), shoot dry weight (98.4%), root fresh weight (97.8%), root dry weight (210%) compared to the untreated plants. Moreover, pretreatment with putrescine improved chlorophyll a (13.3%), chlorophyll b (70.3%), carotenoids (61.8%), soluble sugars (49.1%), amino acids (42.7%), phenols (52.4%), number of spikelets (59.3%), number of grains (81.1%), and weight of spike (45.4%). Moreover, variations in the protein profile of wheat plants were due to drought conditions and putrescine application. In conclusion, priming wheat grains with putrescine effectively induces protective mechanisms against water stress and improves wheat plants’ physiological attributes and yield components.

Suggested Citation

  • Hebat-Allah A. Hussein & Shifaa O. Alshammari & Marwa E. Abd El-Sadek & Sahar K. M. Kenawy & Ali A. Badawy, 2023. "The Promotive Effect of Putrescine on Growth, Biochemical Constituents, and Yield of Wheat ( Triticum aestivum L.) Plants under Water Stress," Agriculture, MDPI, vol. 13(3), pages 1-16, February.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:3:p:587-:d:1083402
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    Cited by:

    1. Aleksey Nazarov & Sergey Chetverikov & Darya Chetverikova & Iren Tuktarova & Ruslan Ivanov & Ruslan Urazgildin & Ivan Garankov & Guzel Kudoyarova, 2023. "Microbial Preparations Combined with Humic Substances Improve the Quality of Tree Planting Material Needed for Reforestation to Increase Carbon Sequestration," Sustainability, MDPI, vol. 15(9), pages 1-12, May.
    2. Hossam S. El-Beltagi & Khairiah Mubarak Alwutayd & Umair Rasheed & Abdul Sattar & Qasim Ali & Basmah M. Alharbi & Ghadah Hamad Al-Hawas & Zahid Khorshid Abbas & Doaa Bahaa Eldin Darwish & Samy F. Mahm, 2024. "Sole and combined foliar application of silicon and putrescine alleviates the negative effects of drought stress in maize by modulating the morpho-physiological and antioxidant defence mechanisms," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 70(1), pages 26-39.
    3. Xinyue Ran & Jianguo Zhou & Tingyong Mao & Shu Wu & Quanzhong Wu & Guodong Chen & Yunlong Zhai, 2023. "The Effect of Plant and Row Configuration on the Growth and Yield of Multiple Cropping of Soybeans in Southern Xinjiang, China," Sustainability, MDPI, vol. 15(19), pages 1-18, October.
    4. repec:caa:jnlpse:v:preprint:id:423-2023-pse is not listed on IDEAS

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