Variability Studies in Upland Rice (Oryza sativa L.) Genotypes of Nagaland
B. Lalhruaitluangi, M. B. Sharma, Pankaj Shah
International Journal of Environment and Climate Change · pp. 1739–1746 · Published 31 Dec 2022
10.9734/ijecc/2022/v12i121619Abstract
A study was conducted in the Experimental Farm of Genetics and Plant Breeding, Nagaland University, Medziphema in Kharif 2021. The study consists of 28 genotypes laid in Randomized Block Design (RBD). To choose efficient genotypes in breeding programmes for boosting rice production in poor rice soils, it will be helpful for resource-poor farmers who have restricted access to the usage of N fertilizer. From the results, ANOVA revealed that all the traits studied are significant except for root dry weight. Similarly, traits like stem dry weight (g), harvest index and grain yield per plant (g) have high GCV (%) and PCV (%) and high heritability (%) is also observed among these traits. High heritability (%) along with high genetic advance as percent of mean was found for grain yield per plant, panicle weight, stem dry weight and harvest index which indicates the function of additive gene in regulating these traits.
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