Leaves attributes and water use effeciency of potatoes grown under water stress after cycocel, salicylic acid, and humic acid sprays
2023
Hasan, Hadia | Dais, Maher | Suleiman, Sawsan
In this study, the effect of the foliar spray with different concentrations of cycocel (600, 800, and 1200 ppm), salicylic acid (50, 100, and 150 ppm), and humic acid (500, 1000, and 1500 ppm) on potato grown under simulated water stress conditions (40% of field capacity) was studied. For that purpose, a completely randomized experiment was conducted in the spring season of 2019-2020 at Al- Hennadi research center, Lattakia, Syria. Potato plants were sprayed with the prepared solutions after 35 days of planting (tuber imitation stage) at ten days intervals three times. Leaf temperature, relative water content, electrolytic leakage, and water use efficiency were measured in treated plants and compared to the control. The results showed that all three substances (cycocel, salicylic acid, and humic acid) improved water stress resistance characteristics in potatoes. Cycocel was the most efficient in increasing relative water content at 1200 ppm concentration. On the other hand, salicylic acid at 50 ppm increased relative water content, water use efficiency, and electrolytic leakage compared to the control.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
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