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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 9, Issue 1 (2020)

Formulation of selection index in foxtail millet [Setaria italica (L.) Beauv.]

Author(s):

A Pavani and D Ratna Babu

Abstract:
The present study was initiated on sixty foxtail millet germplasm to formulate suitable selection index using equal economic weights as well as inverse of means as their economic weights for simultaneous selection of different yield and nutritional components viz., days to 50% flowering, plant height, panicle length, productive tillers per plant, days to maturity, test weight, protein, carbohydrate, calcium, iron, zinc, copper, manganese, phosphorus and grain yield per plant. It was observed that maximum estimate of genetic advance over grain yield per plant was obtained when all the fifteen characters under study are included in the construction of selection index compared to all 32767 possible combinations. From this, it became evident that the best possible construct in case of foxtail millet for selecting superior genotypes should include maximum number of characters that are considered for investigation. And addition of characters one by one in the selection index constructs resulted in increasing trend of genetic advance values. The best construct was same, when both types of economic weights are used. Further the increasing trend of genetic advance with addition of traits was also similar when both types of economic weights are used.

Pages: 2250-2255  |  590 Views  208 Downloads


Journal of Pharmacognosy and Phytochemistry Journal of Pharmacognosy and Phytochemistry
How to cite this article:
A Pavani and D Ratna Babu. Formulation of selection index in foxtail millet [Setaria italica (L.) Beauv.]. J Pharmacogn Phytochem 2020;9(1):2250-2255. DOI: 10.22271/phyto.2020.v9.i1al.10806

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