Effects of Drought on Growth and Dry Matter Accumulation of Barley (Hordeum vulgare L.) at Seedling Stage

Received: 28-03-2014

Accepted: 22-05-2014

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Issue: Vol. 12 No. 3 (2014)

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NÔNG HỌC

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Long, N., Hong, V., Loc, N., Hung, N., & Hoang, D. (2024). Effects of Drought on Growth and Dry Matter Accumulation of Barley (Hordeum vulgare L.) at Seedling Stage. Vietnam Journal of Agricultural Sciences, 12(3), 317–324. http://testtapchi.vnua.edu.vn/index.php/vjasvn/article/view/110

Effects of Drought on Growth and Dry Matter Accumulation of Barley (Hordeum vulgare L.) at Seedling Stage

Nguyen Viet Long (*) , Vu Thi Hong 1 , Nguyen Van Loc , Nguyen The Hung , Dinh Thai Hoang

  • 1 Sinh viên tốt nghiệp KHCK K55

    • Keywords

    Drought tolerance, Hordeum vulgare, osmotic, salt tolerance

    Abstract


    This study was conducted to determine the effect of drought on several physiological and morphological traits of barley at seedling stage. Factorial experiment including 9 barley genotypes with constrasting salinity tolerance capacity at seedling stage, and 3 water regimes was laid out in a completely randomized design with 3 replications. Drought was imitated by maintaining the soil moisture contents during 2 weeks since 14 days after sowing. The data were collected for plant height, the number of leaves, the number of tillers, leaf area and dry matter accumulation. The results showed that drought at seedling stage significantly reduced plant height, number of leaves, leaf area, number of tillers and dry matter accumulation of barley genotypes. BCC884 and BCC438 were best genotypes for drought adaptation. Using the characterized salt tolerance varieties, the results in the current study was used to discuss the relationship between drought and salinity tolerance ability at seedling stage. This could be useful information to research on physiological and molecular mechanisms of tolerance to osmotic stress found in drought and salinity stress. 

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