Madras Agricultural Journal
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STUDY OF INHERITANCE OF CERTAIN QUANTITATIVE AND QUALITATIVE TRAITS ON DWARF AND TALL INDICA RICE VARIETIES (Oryza Sativa L.)

Abstract

A tall and dwart Indica rice varieties viz., Sandikar and Dee-Geo-Wes-Gen were crossed. Qualitativo and quantitative traits were studied in F, hybride. Eight hundred and twenty nine F, progenies wore raised from randomly selected one F, hybrid plant. Quantitative traits viz., length, breadth and L/B ratio of grain, 100 grain weight, grain yield per plant, number of spikelet per panicle and yield of straw per plant in 100 strati fied samples were recorded. The entire population was studied for height of plant. number of productive tillers and length of panicle. Simple correlation was worked out between plant height, number of ear bearing tillers, panicle length, number of spikelet in primary panicle, L/B ratio of grain and yield. Positive and highly significant correlation between ear bearing tillers, size of the grain and yield were observed.

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