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Information Journal Paper

Title

DETERMINATION OF THE OPTIMUM TIME OF SEED HARVESTING IN SOME WHEAT CULTIVARS

Pages

  33-43

Abstract

 The aim of this study was to assess the seed quality of 4 WHEAT cultivars (Zarin, Alvand, Shahryar and Sardari) at different HARVESTING TIME. The experiment performed in 2008-2009 as a factorial design based on completely randomized blocks with 4 replications. The seeds were harvested at ten different times with form 20th to 83rd day after flowering (with 7-day intervals) and 1000-grain weight, germination rate and percent, seedling dry weight and electrical conductivity (EC) were recorded. Results showed that the effect of cultivar and HARVESTING TIME on all traits was significant. Interaction effect between cultivar and HARVESTING TIME only was significant on the seedling dry weight and germination percent. Among the cultivars, Sardari had the highest 1000-grain weight and germination rate and the lowest germination rate and EC. There was a small variation among the germination percentage of different cultivars to HARVESTING TIMEs, indicating that germination test was not capable to express initial quality of seeds among the cultivars. Response curve of change in time and germination rate, 1000-grain weight and EC at the different HARVESTING TIMEs was quadratic and optimum time for seed harvesting was calculated to be 51-55 d after flowering at which EC and germination rate were 7.50ms/cm.gr and 16.29 (1/h). However, regression analysis showed that the most seedling dry weight obtained in 41-43 d after flowering. In conclusion, the best time for harvesting seems to be 51-53 d after flowering because, at this time range, the highest SEED VIGOR was observed and can be considered as PHYSIOLOGICAL MATURITY time.

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    APA: Copy

    SHILAN, D., MIR MAHMOUDI, T., & KHALILI AQDAM, N.. (2013). DETERMINATION OF THE OPTIMUM TIME OF SEED HARVESTING IN SOME WHEAT CULTIVARS. SEED RESEARCH (JOURNAL OF SEED SCIENCE AND TECHNOLOGY), 2(4), 33-43. SID. https://sid.ir/paper/226630/en

    Vancouver: Copy

    SHILAN D., MIR MAHMOUDI T., KHALILI AQDAM N.. DETERMINATION OF THE OPTIMUM TIME OF SEED HARVESTING IN SOME WHEAT CULTIVARS. SEED RESEARCH (JOURNAL OF SEED SCIENCE AND TECHNOLOGY)[Internet]. 2013;2(4):33-43. Available from: https://sid.ir/paper/226630/en

    IEEE: Copy

    D. SHILAN, T. MIR MAHMOUDI, and N. KHALILI AQDAM, “DETERMINATION OF THE OPTIMUM TIME OF SEED HARVESTING IN SOME WHEAT CULTIVARS,” SEED RESEARCH (JOURNAL OF SEED SCIENCE AND TECHNOLOGY), vol. 2, no. 4, pp. 33–43, 2013, [Online]. Available: https://sid.ir/paper/226630/en

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