IDENTIFICATION OF TRAITS RELATED TO GRAIN YIELD IN CORN HYBRIDS USING OF PATH ANALYSIS

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JALILI M.; RASHIDI V.; SHIRI M.R.

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Journal: JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE) Year:2009 | Volume:3 | Issue:9 Page(s): 27-41

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Title

IDENTIFICATION OF TRAITS RELATED TO GRAIN YIELD IN CORN HYBRIDS USING OF PATH ANALYSIS

Author(s)

JALILI M. | RASHIDI V. | SHIRI M.R. | Issue Writer Certificate

Keywords

COMPONENTS OF SEED YIELDQ2

HYBRID CORNQ2

PATH ANALYSISQ2

Abstract

To compare the grain yield of medium maturing corn hybrids and study the effects of traits on yield, an experiment carried was out in 2007 at Agricultural Research Center of Moghan, Parsabad, Iran. In this research 14 medium maturing hybrids of seed corn were studied in a complete randomized blocks design with 4 replications. Several traits like grain yield and its components, morphological and phonological characteristics were measured and analysed. Analysis of variance showed that the differences among the traits measured, except ear leaf area and stem diameter, were significant. Mean comparison of hybrids also revealed that the maximum yield belonged to hybrid number 3 (11870 kg ha-1) and the minimum yield to hybrid number 12 (5720 kg ha-1). The result, of experiment also showed that seed yield had significantly positive correlation with ear leaf area and the number of days to physiological maturity. The results of PATH ANALYSIS showed that number of days to physiological maturity, ear leaf area and 1000 seeds weight had significant positive direct effect on seed yield, in such a way that their increase resulted in higher seed yield. On the other hand, ear cob weight had direct and negative effect on yield; that is to say, increasing ear cob weight decreased seed yield. Consequently, it can be said that number of days to physiological maturity, ear leaf area and 1000 seeds weight were very important and effective on seed yield of the hybrids studied. Thus, we can use these traits in selection of high grain producing corn hybrids.

Cites

EFFECT OF FOLIAR APPLICATIONS OF SILICON AND PLANT DENSITY ON AGRONOMIC TRAITS IN CORN HYBRIDS DELAYED PLANTING OF THE SUMMER

References

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APA: Copy

JALILI, M., RASHIDI, V., & SHIRI, M.R.. (2009). IDENTIFICATION OF TRAITS RELATED TO GRAIN YIELD IN CORN HYBRIDS USING OF PATH ANALYSIS. JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE), 3(9), 27-41. SID. https://sid.ir/paper/182692/en

Vancouver: Copy

JALILI M., RASHIDI V., SHIRI M.R.. IDENTIFICATION OF TRAITS RELATED TO GRAIN YIELD IN CORN HYBRIDS USING OF PATH ANALYSIS. JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE)[Internet]. 2009;3(9):27-41. Available from: https://sid.ir/paper/182692/en

IEEE: Copy

M. JALILI, V. RASHIDI, and M.R. SHIRI, “IDENTIFICATION OF TRAITS RELATED TO GRAIN YIELD IN CORN HYBRIDS USING OF PATH ANALYSIS,” JOURNAL OF CROP ECOPHYSIOLOGY (AGRICULTURE SCIENCE), vol. 3, no. 9, pp. 27–41, 2009, [Online]. Available: https://sid.ir/paper/182692/en

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