STUDY OF DROUGHT TOLERANCE INDICES IN MAIZE INBRED LINES UNDER LIMITED IRRIGATION AND NORMAL CONDITIONS

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SAFARI SAEID; DEHGHANI HAMID; CHOUGAN R.

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Journal: Iranian Plant Protection Research Year:2009 | Volume:23 | Issue:2 Page(s): 20-25

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Information Journal Paper

Title

STUDY OF DROUGHT TOLERANCE INDICES IN MAIZE INBRED LINES UNDER LIMITED IRRIGATION AND NORMAL CONDITIONS

Author(s)

SAFARI SAEID | DEHGHANI HAMID | CHOUGAN R. | Issue Writer Certificate

Keywords

MAIZEQ2

TOLERANCE INDEXQ2

DROUGHTQ2

CORRELATIONQ2

VEGETATIVE STRESSQ2

REPRODUCTIVE STRESSQ2

Abstract

In order to genetic investigation of DROUGHT resistance indices, on 25 MAIZE inbred lines, an experiment was conducted under three irrigation regimes; normal irrigation, limited vegetative irrigation and limited reproductive irrigation. In the limited vegetative irrigation, TOL (Stress Tolerance) index had the highest phenotypic and genotypic coefficient of variation (83.83% and 68.04% respectively) and SSI (Stress Susceptibility Index) had highest phenotypic and genotypic coefficient of variation (79.59% and 60.19% respectively). The MP (Mean productivity), GMP (Geometric Mean Productivity) and STI indices had highest phenotypic and genotypic CORRELATION with grain yield under limited irrigation and had significance CORRELATION with grain yield, kernel per row, row per ear and 500- grain weight under normal irrigation condition. The results of limited reproductive irrigation also indicated that GMP had highest phenotypic and genotypic coefficient of variation. MP, GMP, STI and SSI (Stress Susceptibility Index) indices showed significant phenotypic and genotypic CORRELATION with grain yield, kernel per row, row per ear and 500- grain weight traits under limited irrigation in reproductive condition. MP, GMP, STI and SSI indices had significant phenotypic and genotypic CORRELATION with grain yield, kernel per row, row per ear and 500- grain weight traits under normal irrigation condition. With consideration of phenotypic and genotypic coefficient of CORRELATION, DROUGHT indices that had high CORRELATION with studied traits can be used to improve them.

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APA: Copy

SAFARI, SAEID, DEHGHANI, HAMID, & CHOUGAN, R.. (2009). STUDY OF DROUGHT TOLERANCE INDICES IN MAIZE INBRED LINES UNDER LIMITED IRRIGATION AND NORMAL CONDITIONS. IRANIAN PLANT PROTECTION RESEARCH (JOURNAL OF PLANT PROTECTION), 23(2), 20-25. SID. https://sid.ir/paper/142687/en

Vancouver: Copy

SAFARI SAEID, DEHGHANI HAMID, CHOUGAN R.. STUDY OF DROUGHT TOLERANCE INDICES IN MAIZE INBRED LINES UNDER LIMITED IRRIGATION AND NORMAL CONDITIONS. IRANIAN PLANT PROTECTION RESEARCH (JOURNAL OF PLANT PROTECTION)[Internet]. 2009;23(2):20-25. Available from: https://sid.ir/paper/142687/en

IEEE: Copy

SAEID SAFARI, HAMID DEHGHANI, and R. CHOUGAN, “STUDY OF DROUGHT TOLERANCE INDICES IN MAIZE INBRED LINES UNDER LIMITED IRRIGATION AND NORMAL CONDITIONS,” IRANIAN PLANT PROTECTION RESEARCH (JOURNAL OF PLANT PROTECTION), vol. 23, no. 2, pp. 20–25, 2009, [Online]. Available: https://sid.ir/paper/142687/en

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