PHYSIOLOGICAL BASIS OF YIELD VARIATION AND CONSUMER ACCEPTABILITY CHARACTERIZATION IN VEGETABLE SOYBEAN (Glycine max (L.) Merrill)
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Date
2015-06
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University of Agricultural Sciences Dharwad
Abstract
A field experiment was conducted during kharif, 2014 at Main Agricultural Research Station, University of Agricultural Sciences, Dharwad to study the physiological basis of yield variation and consumer acceptability characterization in vegetable soybean. The experiment was laid out in randomized block design replicated thrice with twelve genotypes of which ten were vegetable type(AGS-339, AGS-380, AGS-406 AGS-447 AGS-457 AGS-459 AGS-460 AGS-461 AGS-610 and Swarna) and two were grain type (JS-95-60 and DSb-21).
Results revealed a wide genotypic variation with respect to various morphological, phenological, physiological, yield and quality characters .Among the genotypes, Swarna and AGS-610 exhibited superiority over the rest of the genotypes in yield which is most influenced by yield contributing characters such as maximum plant height, number of branches, photosynthetic rate, flower initiation, days to seed filling, dry matter production ,pod weight, seed weight and number of pods, Along with the yield, the quality of the seed in terms of oil, protein and sugar composition and consumer acceptability. To know the quality and acceptability, consumer acceptability was also assessed. Among the genotypes subjected for consumer acceptability test, AGS-447 and AGS-457 recorded maximum acceptability score and these had highest oil content and total soluble sugars. Although these two genotypes were good in quality and consumer acceptability but seed yield was low compared to others.
It is inferred from the study that by considering all yield and quality parameters genotypes Swarna, AGS-610, AGS-447 and AGS-457 could be used for future crop improvement for high yield and quality traits to improve nutritional security of the country.
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