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International Journal of Horticultural Science and Technology، جلد ۹، شماره ۱، صفحات ۱-۱۳
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عنوان انگلیسی Responses of ‘Chandler’ Walnut Variety Grafted onto Different Rootstocks to Salt Stress
چکیده انگلیسی مقاله To investigate effects of salinity stress on growth, nutrient status, chlorophyll and water consumption, four different saline irrigation waters (S0= 0.3 dS/m-1 control, S1=1.5 dS/m-1, S2=3 dS/m-1, S3=5 dS/m-1) were applied to two-year Chandler saplings which were grafted on Juglans nigra L. (JN), Paradox (PR) and Juglans sieoboldiana L. (JS) walnut rootstocks. Three different salts including NaCl, MgSO4, and CaCl2 were used to prepare saline irrigations. Shoot length change rate (%) was varied between 77.57 (JN) to 81.83 (PR) for S0 salinity treatments and between 55.60 (JS) to 56.84 (PR) for S3 treatments. The plant diameter change rate (%) varied between 75.10 (JN) to 99.22 (PR) for S0 treatments and 60.63 (JN) to 80.97 (PR) for S3 treatments. Average of root length (cm) was between 30.75 cm (JN) to 37.50 cm (PR) for S0 treatments, and 8.91 cm (JN) to 21.50 cm (PR) for S3. Number of roots changed between 19.00 (JS) to 22.16 (PR) for S0 treatments and between 6.41 (JN) and 8.08 (PR) for S3 treatments. Sodium (Na) content (%) in S3 was 1.41, 1.97 and 3.41 in JN, PR, and JS, respectively. Chloride (Cl-) content (ppm) for S3 was 0.88, 0.99 and 0.91 in JN, PR, and JS, respectively. Ca/Na ratios of 0.43, 0.27 and 0.14 and K/Na ratios of 0.24, 0.12 and 0.10 were detected in JN, PR, and JS, respectively. Depending on leaf Na+, Cl- and K contents, K/Na and Ca/Na ratios, the ranking of salinity tolerance of rootstocks were determined as JN˃ PR ˃ JS.
کلیدواژه‌های انگلیسی مقاله salinity, walnut rootstocks, plant growth, abiotic stress
نویسندگان مقاله Yasar Akca |
Department of Horticulture, Faculty of Agriculture, University of Tokat Gaziosmanpaşa, Tokat, Turkey

Umut Sahin |
Department of Horticulture, Faculty of Agriculture, University of Tokat Gaziosmanpaşa, Tokat, Turkey

نشانی اینترنتی https://ijhst.ut.ac.ir/article_83737_e4227a2647785b80d3a9c81acc786d5e.pdf
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