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Genetic Analysis of Mango (Mangifera indica. L) Genotypes for Year-round Flowering and Yield Characters

Abdul Latheef A, Department of Fruit Science, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore – 641 003, India, Pugalendhi L, Aneesa Rani M S, Jeyakumar P, kumar M, Manju Devi S, Department of Fruit Science, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore – 641 003, India, Department of Fruit Science, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore – 641 003, India, 2 Department of Crop Physiology, Tamil Nadu Agricultural University, Coimbatore – 641 003, India, Department of Genetics and Plant Breeding, Tamil Nadu Agricultural University, Coimbatore – 641 003, India, Department of Genetics and Plant Breeding, Tamil Nadu Agricultural University, Coimbatore – 641 003, India
2022 Madras Agricultural Journal  

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Mango (Mangifera indica. L) is characterized by a high level of genetic variation in seedling population. Estimation of genetic advance is required for the expected genotypic progress of a particular character. Keeping this in view, genetic advances of year-round flowering mango (Mangifera indica. L) genotypes was carried out during 2019-2021 in farmer's field at Annur, Coimbatore. High Genotypic Coefficient of Variation (GCV) was found in fruit yield per tree was 30.63 per cent. The low GCV
more » ... ues were found for the traits viz., panicle length (6.61 %), days taken for flowering to fruit set (1.75%), days taken for flowering to fruit maturation (1.76 %), percentage of hermaphrodite flowers (5.38 %), sex ratio (5.18%). Whereas high values of heritability estimates were obtained for the traits viz., fruit yield per tree (99.43 %), number of panicles/tree (98.91 %), number of fruits per tree (97.74 %), panicle per sq.m of canopy (97.40 %). The high heritability along with high genetic advance as per cent of mean was observed for fruit yield per tree (99.43, 62.91), number of panicles/tree (98.91, 46.84), number of fruits per tree (97.74, 43.03), panicle per sq.m of canopy (97.40, 28.64) indicates the possibility of improving these traits by selection since there is a wide range of variation and additive gene action exists for these traits. The traits viz., panicle per sq.m of canopy, panicle length, number of panicles/tree, sex ratio, number of fruits per tree were positively correlated with fruit yield per tree. Hence, the selection for these characters would improve fruit yield in mango.
doi:10.29321/maj.10.000573 fatcat:hk4rvjwhize57kohbvbmgby2ma
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Abdul Latheef A, Department of Fruit Science, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore – 641 003, India, Pugalendhi L, Aneesa Rani M S, Jeyakumar P, kumar M, Manju Devi S, Department of Fruit Science, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore – 641 003, India, Department of Fruit Science, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore – 641 003, India, 2 Department of Crop Physiology, Tamil Nadu Agricultural University, Coimbatore – 641 003, India, Department of Genetics and Plant Breeding, Tamil Nadu Agricultural University, Coimbatore – 641 003, India, Department of Genetics and Plant Breeding, Tamil Nadu Agricultural University, Coimbatore – 641 003, India. "Genetic Analysis of Mango (Mangifera indica. L) Genotypes for Year-round Flowering and Yield Characters." Madras Agricultural Journal 109.March (2022)