DIALLEL ANALYSIS OF LEAF NUMBER AND DURATION TO MID-SILK IN MAIZE

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Abstract
The diallel cross technique was used to study the mode of inheritance of leaf number and duration to mid-silk in 6 inbred lines of maize (Zea mays L.). Leaf number showed partial dominance, and the additive gene accounted for a high proportion of the total variation. The narrow and broad heritabilities were both high. Leaf number was controlled by at least 1 effective factor. Both additive and dominance components were responsible for the expression of duration to mid-silk. The narrow and broad heritabilities were both high. Duration to mid-silk was controlled by at least 4 effective factors.