Impact oF Hydrogen Sulfide and Nitric Oxide on Productivity, Heat Use Efficiency and Quality of Potato Tubers Under Heat Stress
Year: 2025
Type: article
Abstract: The study was carried out on potato plants to assess the effects of foliar spraying with sodium hydrosulfide (NaSH) a donor of hydrogen sulfide (H2S ) at a concentration of 0, 1, 2.5, and 5.0 ml/L-1 and nitric acid (HNO3) a donor of nitric oxide ( NO ) at a concentration of 0, 1, 5.0, 7.5 and 10 ml/L-1, either separately or in combination. However The experiment was conducted during the summers of 2024 and 2025 on a private vegetable farm in Bosat Karm El-Din Village, Sherbin district, Dakahlia Governorate, Egypt.Foliar of potato plants grown in summer plantation with sodium hydrosulfide (NaSH) a donor of hydrogen sulfide (H2S) at 5 ml/l-1 and with nitric acid (HNO3) a donor of nitric oxide ( NO ) at 7.5 ml/l-1 increased vegetative growth parameters, dry weight /plant, average tuber weight , yield / plant and total yield /fed. as well as heat use efficiency , in addition, the interaction between foliar spray with NaSH (H2S - donor) at 2.5 ml/l-1 and foliar spray with HNO3 ( NO donor) at 7.5 ml/l-1 increased total chlorophyll and Superoxide dismutase enzyme (SOD) in leaves , while control treatment ( spraying with water ) increased Malondialdehyde (MDA) in leaves at 90 days after planting in both seasons . Whereas, spraying with NaSH (H2S - donor) at 5 ml/l-1 and nitric acid at 10 ml/l-1 increased dry matter (%), TSS ( Brixo), total sugars and starch content in tubers.
Source: Journal of Plant Production
Authors: S. S.T. EL-Afify, Samar A. Bardisi, H. M. B. EL-Metwally
Institutions: Agricultural Research Center, Zagazig University
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: diamond
OpenAlex ID: W4415364954
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