STUDYING THE EFFECT OF SALT STRESS ON THE GROWTH OF THREE POTATO CULTIVARS (SOLANUM TUBEROSUM L.) GROWN IN VITRO
2025
R. K. Ali, M. | A. Mahmooud, S. | A. Mohammed, M.
Carried out, Elmundo, Arizona) outside the body, the sterilization results showed the superiority of the Mundo variety by giving it the lowest percentage of contamination. The study was conducted in the Plant Tissue Culture Laboratory of the Department of Horticulture and Landscape Engineering - College of Agriculture - Anbar University, for the period from June-2022 to September-2022 with the aim of studying the effect of Salt stress in the growth characteristics of three potato cultivars, namely (Burren), amounted to 13.33%. The Burren cultivar excelled by giving it the highest response percentage of 16.67%. of NaCl salt, which is (0, 8, 10, and 12) ds for a month. The results showed a significant effect of NaCl salt on the vegetative growth characteristics of plants by increasing the salt concentration, as there was a significant reduction in the lengths and number of vegetative branches, their fresh and dry weights, and the number of nodes and leaves. It was also observed that there was a significant effect of the cultivars, as the Arizona cultivar recorded the highest average number and length of branches with a value of (2.800 cm and 3.275 branches explants-1), respectively, while the Elmundo cultivar recorded the highest average number of nodes and leaves with a value of (7.12 nodes explants-1 and 10.83 leaves explants-1), while the Burren variety gave the highest mean of fresh and dry weight with a value of (0.0947 and 0.00975 gm), respectively.
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