ANALYSIS OF CORRELATION COEFFICIENTS BETWEEN GRAIN YIELD AND YIELD COMPONENTS IN MAIZE HYBRIDS

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MESJI BAHOUSH M.; RABIEI B.; ABBAS DOKHT H.; KAFI GHASEMI A.; JAHANDIDEH H.

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Journal: Iranian Journal of Field Crop Science Year:2010 | Volume:41 | Issue:2 Page(s): 215-223

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Title

ANALYSIS OF CORRELATION COEFFICIENTS BETWEEN GRAIN YIELD AND YIELD COMPONENTS IN MAIZE HYBRIDS

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Keywords

MAIZE HYBRIDSQ2

GRAIN YIELDQ2

CORRELATION COEFFICIENTQ2

PATH ANALYSISQ2

Abstract

To study the relationship between GRAIN YIELD and its components and to evaluate the direct and indirect effects of different traits on yield, an experiment was carried out on 17 MAIZE HYBRIDS employing randomized complete block design with four replications in Shahrood Agricultural Research Station, during 2006-07. Analysis of variance revealed that there were significant differences (p<0.01) among hybrids in all traits, except for ear diameter, cob dry weight, seed dry weight, number of grains per ear and seed depth. Results of phenotypic CORRELATION COEFFICIENTs among traits revealed that GRAIN YIELD was significantly correlated with all the studied traits at 1% probability level, except for cob diameter and ear height. Results of PATH ANALYSIS between GRAIN YIELD and other traits indicated that number of grains per ear and 100 grain weights had high and positive direct effects, while ear length having positive, and moderate direct effect on GRAIN YIELD, but ear height was in low and negative direct effect with GRAIN YIELD. Furthermore, except ear length that indirectly affected GRAIN YIELD via the number of grains per ear, indirect effects of the other traits weren't considerable. Therefore, indirect selections via number of grains per ear, 100 grain weight and ear length are recommended for improving GRAIN YIELD in MAIZE HYBRIDS.

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APA: Copy

MESJI BAHOUSH, M., RABIEI, B., ABBAS DOKHT, H., KAFI GHASEMI, A., & JAHANDIDEH, H.. (2010). ANALYSIS OF CORRELATION COEFFICIENTS BETWEEN GRAIN YIELD AND YIELD COMPONENTS IN MAIZE HYBRIDS. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), 41(2), 215-223. SID. https://sid.ir/paper/153511/en

Vancouver: Copy

MESJI BAHOUSH M., RABIEI B., ABBAS DOKHT H., KAFI GHASEMI A., JAHANDIDEH H.. ANALYSIS OF CORRELATION COEFFICIENTS BETWEEN GRAIN YIELD AND YIELD COMPONENTS IN MAIZE HYBRIDS. IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES)[Internet]. 2010;41(2):215-223. Available from: https://sid.ir/paper/153511/en

IEEE: Copy

M. MESJI BAHOUSH, B. RABIEI, H. ABBAS DOKHT, A. KAFI GHASEMI, and H. JAHANDIDEH, “ANALYSIS OF CORRELATION COEFFICIENTS BETWEEN GRAIN YIELD AND YIELD COMPONENTS IN MAIZE HYBRIDS,” IRANIAN JOURNAL OF FIELD CROP SCIENCE (IRANIAN JOURNAL OF AGRICULTURAL SCIENCES), vol. 41, no. 2, pp. 215–223, 2010, [Online]. Available: https://sid.ir/paper/153511/en

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