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Vol. 9, Issue 1 (2020)

Inter-relationship of morpho-economic traits in a set of maize inbred lines under deficit moisture condition

Author(s):
Devraj Lenka, Bibhu P Singh, Devidutta Lenka and Swapan K Tripathy
Abstract:
A set of 35 maize inbreds were evaluated in the field to study association analysis of agro-economic component traits with grain yield. At both genotypic and phenotypic level, cob diameter, kernel rows/cob followed by number of kernels/row, total number of grains/plant, cob length and 100-grain weight revealed strong significant positive association with grain yield/ha. Cob length and cob diameter showed significant positive inter-relationship and both these component traits also maintained strong positive correlation with number of kernel rows/cob, number of kernels/row and total number of grains/plant. Information of such correlated response would certainly help the selection process much easier for genetic improvement of grain yield in maize. However, days to silking (DS) and anthesis-silking interval (ASI) exhibited strong negative association with grain yield indicating delay in silking and that even after anthesis would decrease grain yield in maize.
Pages: 189-191  |  553 Views  89 Downloads


The Pharma Innovation Journal
How to cite this article:
Devraj Lenka, Bibhu P Singh, Devidutta Lenka, Swapan K Tripathy. Inter-relationship of morpho-economic traits in a set of maize inbred lines under deficit moisture condition. Pharma Innovation 2020;9(1):189-191.
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