ANALYSIS OF CORRELATION COEFFICIENTS BETWEEN GRAIN YIELD AND YIELD COMPONENTS IN COWPEA GENOTYPES UNDER NORMAL AND DROUGHT CONDITIONS STRESS

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HOSSEINIAN SEYED HAMZEH; MAJNOUN HOSEINI NASER

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Journal: Iranian Journal of Field Crop Science Year:2015 | Volume:45 | Issue:4 Page(s): 575-583

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Information Journal Paper

Title

ANALYSIS OF CORRELATION COEFFICIENTS BETWEEN GRAIN YIELD AND YIELD COMPONENTS IN COWPEA GENOTYPES UNDER NORMAL AND DROUGHT CONDITIONS STRESS

Author(s)

HOSSEINIAN SEYED HAMZEH | MAJNOUN HOSEINI NASER | Issue Writer Certificate

Keywords

COEFFICIENT CORRELATIONQ2

COWPEA GENOTYPESQ2

DROUGHT STRESSQ2

PATH ANALYSISQ2

Abstract

In order to deliberate correlation coefficient between grain yield and yield components among 31 COWPEA GENOTYPES under normal irrigation (non-stress) and DROUGHT STRESS (water withholidng after flowering stage until maturity) an experiment was performed in a randomized complete block design (RCBD) with three replications at research field of University of Tehran located at Karaj during 2011-2012 growing season. The traits measured comprised of plant height, branches number per plant, pods number per plant, seeds per pod, biological yield, grain yield per plant and 100 seed-weights. Results showed that under both irrigation regimes, biological yield and pods number per plant were highly correlated with grain yield. Stepwise regression analysis revealed that biological yield and pods number per plant had the highest effect on grain yield of COWPEA GENOTYPES under both irrigation conditions. PATH ANALYSIS showed that the highest direct positive effect of biological yield and pods number per plant on grain yield under both conditions. Therefore, in breeding programs, to boosting grain yield in COWPEA GENOTYPES, it is better that the selection to be based on the biological yield and number of pod per plant traits.

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APA: Copy

HOSSEINIAN, SEYED HAMZEH, & MAJNOUN HOSEINI, NASER. (2015). ANALYSIS OF CORRELATION COEFFICIENTS BETWEEN GRAIN YIELD AND YIELD COMPONENTS IN COWPEA GENOTYPES UNDER NORMAL AND DROUGHT CONDITIONS STRESS. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 45(4), 575-583. SID. https://sid.ir/paper/153595/en

Vancouver: Copy

HOSSEINIAN SEYED HAMZEH, MAJNOUN HOSEINI NASER. ANALYSIS OF CORRELATION COEFFICIENTS BETWEEN GRAIN YIELD AND YIELD COMPONENTS IN COWPEA GENOTYPES UNDER NORMAL AND DROUGHT CONDITIONS STRESS. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2015;45(4):575-583. Available from: https://sid.ir/paper/153595/en

IEEE: Copy

SEYED HAMZEH HOSSEINIAN, and NASER MAJNOUN HOSEINI, “ANALYSIS OF CORRELATION COEFFICIENTS BETWEEN GRAIN YIELD AND YIELD COMPONENTS IN COWPEA GENOTYPES UNDER NORMAL AND DROUGHT CONDITIONS STRESS,” IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 45, no. 4, pp. 575–583, 2015, [Online]. Available: https://sid.ir/paper/153595/en

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