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Information Journal Paper

Title

EVALUATION OF SOME BIOCHEMICAL FACTORS IN RESISTANCE TO WHEAT STREAK MOSAIC VIRUS AND THE EFFECT OF TWO DIFFERENT INOCULATION TIMES ON GRAIN YIELD AND ITS COMPONENTS

Pages

  41-54

Abstract

 Wheat streak mosaic (WSM), caused by WHEAT STREAK MOSAIC VIRUS (WSMV), is an important disease which causes serious yield losses in the major wheat producing regions of the world. In order to evaluate the amount and changes of some BIOCHEMICAL FACTORS in reaction to WSMV infection, a greenhouse experiment was conducted with seven genotypes. Total protein, free amino acids, tree phenol, peroxidase and proline were measured. To evaluate the effect of two inoculation times on yield and its components another experiment was accomplished with the same genotypes at the Faculty of Agriculture, Shiraz University in 2005. The results indicated that virus infection caused stress on all genotypes. Total protein, free phenol and activity of peroxidase enzyme increased in all infected plants. Free phenol and total protein of tolerant genotypes were higher as compared with the sensitive ones. The amount of peroxidase activity caused by WSMV infection was not significant. Virus infection reduced free amino acid in all genotypes. The changes in the amount of proline did not show a typical trend in tolerant and sensitive genotypes. It appeared that the amount of total protein and total phenol in a genotype could be adapted as a selective factor in preliminary stages of selection for tolerance to the virus. Grain yield and its components showed significant differences in tolerant and sensitive genotypes at various stages of inoculation. Virus infection led to significant reduction in grain yield, and some of the yield components in all genotypes. Inoculation in the first stage (two true leaves) resulted in much more reduction in the grain yield as compared with inoculation in tillering stage. Virus infection had no effect on seed number; however, the reduction in grain yield was mainly via shrived grains in both stages of infection. Based on the tolerance index at two stages of inoculation, genotype 4004 was identified as a tolerant and stable genotype in this study.

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    APA: Copy

    HOSSEININEZHAD, SEYED MOJTABA, AASAD, M.T., & MASOUMI, MAHMOUD. (2008). EVALUATION OF SOME BIOCHEMICAL FACTORS IN RESISTANCE TO WHEAT STREAK MOSAIC VIRUS AND THE EFFECT OF TWO DIFFERENT INOCULATION TIMES ON GRAIN YIELD AND ITS COMPONENTS. THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), 31(1), 41-54. SID. https://sid.ir/paper/24658/en

    Vancouver: Copy

    HOSSEININEZHAD SEYED MOJTABA, AASAD M.T., MASOUMI MAHMOUD. EVALUATION OF SOME BIOCHEMICAL FACTORS IN RESISTANCE TO WHEAT STREAK MOSAIC VIRUS AND THE EFFECT OF TWO DIFFERENT INOCULATION TIMES ON GRAIN YIELD AND ITS COMPONENTS. THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA)[Internet]. 2008;31(1):41-54. Available from: https://sid.ir/paper/24658/en

    IEEE: Copy

    SEYED MOJTABA HOSSEININEZHAD, M.T. AASAD, and MAHMOUD MASOUMI, “EVALUATION OF SOME BIOCHEMICAL FACTORS IN RESISTANCE TO WHEAT STREAK MOSAIC VIRUS AND THE EFFECT OF TWO DIFFERENT INOCULATION TIMES ON GRAIN YIELD AND ITS COMPONENTS,” THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), vol. 31, no. 1, pp. 41–54, 2008, [Online]. Available: https://sid.ir/paper/24658/en

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    مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
    مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
    مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
    مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
    مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
    مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
    مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources
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