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Stability for Fibre and Morphological Characters in Upland Cotton Gill Sardul Singh*, Singh T. H. Department of Plant Breeding, Punjab Agricultural University, Ludhiana, India-141 004 *Present address: Div. of Plant Breeding, Indian Institute of Sugarcane Research, Lucknow-226 002.
Abstract Sixteen varieties of upland cotton were evaluated for stability at 6 locations, viz., Jullundur, Ludhiana, Faridkot, Abohar, Sirsa and Hissar. The results indicated significant regression for number of monopods and deviation from regression for number of sympods, plant height and fibre length indicating importance of deviations. The most stable varieties were LH37, H 642 G, 4–1 and D 40 for number of monopods, number of sympods, plant height and halo length respectively. None of the varieties was stable for all the traits. Correlations between means and regressions were significant for plant height and sympod number indicating lines having high mean performance were having below average stability and vice versa. Top | |
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