Evaluation ofSalt Tolerance of Newly Collected Rice Accessions

Received: 27-11-2023

Accepted: 07-03-2024

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Issue: Vol. 22 No. 3 (2024)

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NÔNG HỌC

How to Cite:

Dung, N., & Liet, V. (2024). Evaluation ofSalt Tolerance of Newly Collected Rice Accessions. Vietnam Journal of Agricultural Sciences, 22(3), 294–303. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/1279

Evaluation ofSalt Tolerance of Newly Collected Rice Accessions

Nguyen Anh Dung (*) 1 , Vu Van Liet 2

  • 1 Viện Cây lương thực và Cây thực phẩm, Học viện Nông nghiệp Việt Nam
  • 2 Khoa Nông học, Học viện Nông nghiệp Việt Nam

    • Keywords

    Salt tolerance, rice accessions, molecular markers, SaltolQTL

    Abstract


    This study was carried out to evaluate agronomic characteristics, salttolerance and the presence of QTL Saltolof newly collected rice accessions throughfield experiment,artificial salinity treatment and molecular identification. The experiments on agronomic characteristics and salt tolerance were carried out according to the method of IRRI, 1997 and 2013 at the FieldCrops Research Institute, Gia Loc district, Hai Duong province whilemolecular marker analysis was conducted at Vietnam National University of Agriculture, Gia Lam district, Ha Noi city. Theevaluation results showed that the rice accessions were diverse in growth duration, plant height, flag leaf length, and panicle length. Out of 39 accessions, 6 promising ones were selectedwith good salt tolerance: Lua soi, M3, HHZ8-SAL6-SAL3-SAL1, HHZ8-SAL6-SAL3-Y2, HHZ12-SAL8-Y1-SAL1 and Hasawi IRGC 16817and 22 rice accessions carrying SaltolQTL. Thus, the selection of materials for breeding salt-tolerant rice varieties should combine the evaluation of agronomic characteristics with artificial salt tolerance assessment and molecular markers.

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