Reciprocal cross differences in a 6×6 diallel set of groundnut (Arachis hypogaea L.) in the F1 generation |
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Authors: | M V Reddy D C Reddy B J Reddy D R Reddy A Mahalakshmi |
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Institution: | (1) Department of Genetics and Plant Breeding, S.V. Agricultural College, 517 502 Tirupati, India |
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Abstract: | Summary Reciprocal cross differences were studied in a 6×6 diallel full set comprising of thirty hybrid combinations of groundnut in the F1 generation.Reciprocal cross differences were observed for growth habit in four pairs of crosses, for leaf colour, flower colour and stem pigmentation in two pairs of crosses each. It was observed that the inheritance of flower colour, stem pigmentation and testa colour which exhibited different shades of purple colour was likely to be governed by pleiotropic gene(s). Among the quantitative characters significantly positive reciprocal effects were observed in different crosses for number of mature pods per plant, weight of pods per plant and shelling percent. Marked reciprocal cross differences were observed for pod and kernel characters like pod filling, pod beak, pod constriction and testa colour. |
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Keywords: | Arachis hypogaea groundnut reciprocal cross differences maternal effects |
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