Abstract
An experiment was conducted at Hill Crops Research Program (HCRP), Kabre, Dolakha under Nepal Agricultural Research Council, Nepal (NARC), during rainy season of 2018 with objective to identify the level of genetic difference present in the finger millet genotypes being cultivated for selecting genotypes in different agroclimatic region in Nepal using descriptive statistics, correlation analysis, cluster analysis and principle component analysis. P value of REML procedure revealed that significant variation was observed in 16 finger millet genotypes for baring head, days to 50% flowering, days to 50 % heading, days to 75 % maturity, finger length, flag leaf length, plant stand, plant height, number of finger, peduncle length, no of productive tiller, thousand grain weight, grain yield and straw yield showed selection and development of suitable varieties for different agro-climatic region of Nepal. Traits baring head, finger length, number of finger, flag leaf length, peduncle length, productive tiller, thousand kernel weight, plant stand, straw yield were positively correlated with grain yield revealed that se lection within this is importance for improvement grain yield. Cluster I consists up six early mature genotypes named as KLE-178,GE-0383, ACC#6022,GE-0382,KLE-0150,ACC#0124 can be used to development of early mature genotypes for mountain regions where chilling stress occurs at maturity period whereas similarly cluster II, III and IV consisted up 10 late mature genotypes named as ACC#2843, ACC#2860, ACC#8827-1,Sailung- Kodo-1,NE-1703-34,KLE-236,ACC#2311,GE-0356, farmer’s variety, GE-0480 can be used to develop high yielding late mature varieties for mid hill and terai regions these genotypes may be of interest to researcher for selection of materials for breeding program in different agro-climatic region of Nepal.
Highlights
The objective of this study was to determine genetic variations in 16 finger millet genotypes for quantitative traits, which may contribute to formulation of suitable selection indices for crop improvement as well as will identify the level of genetic difference present in the finger millet genotypes being cultivated for selecting genotypes in different agro-climatic region in Nepal
F-test value, least significant value (LSD 0.05) and coefficient of variation (CV %) for fourteen characters were presented in Growth characters showed high variation ranging from ranging from KLE236 (7.67)–Sailung kodo-1 (11.67) cm in flag leaf length, KLE-236(70.90)ACC#2311 (137.1) cm in plant height, KLE-178 (3)– GE-0382(6) in productive tiller number and ACC#6022(59.33) –ACC#2311(71) in plant
Yield attributing traits showed high variation ranging from GE-0383(69)- Sailung Kodo-1 (114) in bearing head per square meter, KLE-178 (5.0) –ACC#2311 (9.3) in number of finger per head,NE-1703-34 (2.6) – GE-0480(3.4) gram in thousand grain weight and Farmer’s variety (7.94)–GE-0480 (10.78) ton per hectare in straw yield
Summary
Gaertn) (2n=4x=36) is most important small minor grain cereals grain crop which is suitable for traditional low input-based cereals farming system [1] In world it is ranks 4th among the most grown cereals after pearmillet, sorghum and prossomilet and foxtail millet and in Nepalese context it is ranked 4th position in the case of production (2,66,799 hectare), total production (3,02,397M tons) and productivity after paddy, maize and wheat [2]. It is grown in marginal land of tropical to subtropical areas of world due to its hardy nature and in our context, it grown up to 3150 m due to rich in finger millet genotypes diversity [3]. Due to its nutritional awareness to public and more focuses research in major cereals it gets less importance in breeding program [10]
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