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Information Journal Paper

Title

EVALUATION OF ADVANCED RICE GERMPLASM UNDER WATER STRESS ENVIRONMENT

Pages

  27-33

Abstract

 Thirteen GENOTYPEs of RICE comprising of approved varieties and elite candidate lines were studied at three different water regimes by supplying 12, 8 and 4 numbers of irrigations at different intervals/ stages. The experiment was conducted at NIAB Farm Faisalabad, Pakistan on a clay loam soil applying normal doses of N and P fertilizers during 2002-2003 keeping varieties in the main plot while treatments in sub plot. The data for twelve morphological characters i.e. days to flower, days to mature, plant height, panicle length, number of productive tillers, number of primary and secondary branches, 1000 grain weight, sterile grains per spike, number of total grains per spike, fertility percentage, grain yield were recorded and subjected to analysis of variance and means were compared following DMR test. Effect of WATER STRESS on different morphological attributes in all treatments showed significant differences. Plant height, branches per plant, number of grains and grain yield reduced at less number of irrigations while sterility percentage was increased at less moisture conditions. Maximum grain yield (5349 Kg/ha) was achieved at T1 where 12 number of irrigations were applied at T2 (8 irrigations) and T3 (4 irrigations). The yield reduction was observed from 30.32% to 42.53%, respectively as compared to T1 (12 irrigations). RICE variety DM 64198 produced the highest seed yield (4766 Kg/ha) followed by DM-3-89 (4770 Kg/ha).This might be due to different genetic make up of the breeding lines and their behavior and interaction in WATER STRESS environment. Furthermore, high irrigation level made possible the appropriate water availability possible at proper time for performing different types of physiochemical processes of development that hindered at less number of irrigation or WATER STRESS environment. It may be concluded that for achieving maximum economic yield, at least 12 irrigations were essential otherwise the production will be reduced to a considerable extent.

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    Cite

    APA: Copy

    ALI, Y., SARWAR, G., ASLAM, Z., HUSSAIN, F., & RAFIQUE, T.. (2005). EVALUATION OF ADVANCED RICE GERMPLASM UNDER WATER STRESS ENVIRONMENT. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), 2(1), 27-33. SID. https://sid.ir/paper/284892/en

    Vancouver: Copy

    ALI Y., SARWAR G., ASLAM Z., HUSSAIN F., RAFIQUE T.. EVALUATION OF ADVANCED RICE GERMPLASM UNDER WATER STRESS ENVIRONMENT. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST)[Internet]. 2005;2(1):27-33. Available from: https://sid.ir/paper/284892/en

    IEEE: Copy

    Y. ALI, G. SARWAR, Z. ASLAM, F. HUSSAIN, and T. RAFIQUE, “EVALUATION OF ADVANCED RICE GERMPLASM UNDER WATER STRESS ENVIRONMENT,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), vol. 2, no. 1, pp. 27–33, 2005, [Online]. Available: https://sid.ir/paper/284892/en

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