Correlation studies on 1000-true-seed weight,tuber yield and other morphological traits in potato (Solanum tuberosum L.) |
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| Authors: | T R Dayal M D Upadhya S N Chaturvedi |
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| Institution: | (1) Central Potato Research Station, P.O. Kufri, Simla, India;(2) International Potato Centre, Region VI (South Asia), NBPGR Building, IARI Campus, 110012 New Delhi, India;(3) Department of Botany, RBS College, Agra, India |
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| Abstract: | Summary Simple phenotypic, genotypic and environmental correlation coefficients were calculated from one year's data for nine characters
in F1 seedlings of 72 crosses and 18 parents of potato (Solanum tuberosum L.). Crosses were made in a line x tester model having 12 female lines and six male testers. The experiment was designed
as a randomized block replicated three times at Kufri, Simla (India) during the 1979–80 crop season. Positive phenotypic and
genotypic correlations of 1000-TPS weight were found with total tuber yield, number of leaves on the main shoot, number of
shoots per plant and harvest index. The results suggest that 1000-TPS weight could be used when attempting to select for yield
and other characters in F1 seedlings.
Adapted from a thesis submitted and approved for the degree of Doctor of Philosophy of Agra University. |
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| Keywords: | seedling generation selection |
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