Vol. 8, Issue 1 (2020)
Studies on variability, heritability and genetic advance in double type genotypes of tuberose (Agave amica (Medik.) Syn. Polianthes tuberosa L.)
Author(s): Ratna Priyanka R, M Kannan, M Ganga and N Kumaravadivel
Abstract: The present study on performance and genetic variability studies in tuberose (Agave amica (Medik.) Syn. Polianthes tuberosa L.) Double type genotypes was conducted at Botanical Garden, Department of Floriculture and Landscape Architecture, Tamil Nadu Agricultural University during the year 2018-2020. Among five double type genotypes, Suvasini followed by Hyderabad Double and Vaibhav showed better performance in vegetative, flowering and yield parameters with spike yield of 3.38, 3.31 and 3.25 spikes/ plant respectively and bulb yield of 735.00, 654.75 and 540.75 g/ plant respectively. Among different vegetative and flowering parameters recorded, phenotypic coefficient of variation and genotypic coefficient of variation were found to be high for bulb yield and moderate for plant height and rachis length suggesting the scope for selection and improvement of these traits. High estimates of heritability coupled with high genetic advance as percent of mean was recorded for bulb yield implying the additive gene effect whereas high heritability with moderate genetic advance as percent of mean was observed in leaf length, leaf width, spike length, spike diameter, number of florets per spike and number of spikes per plant.
DOI: 10.22271/chemi.2020.v8.i1au.8741
Pages: 3101-3104 | 339 Views 82 Downloads
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How to cite this article:
Ratna Priyanka R, M Kannan, M Ganga, N Kumaravadivel. Studies on variability, heritability and genetic advance in double type genotypes of tuberose (Agave amica (Medik.) Syn. Polianthes tuberosa L.). Int J Chem Stud 2020;8(1):3101-3104. DOI: 10.22271/chemi.2020.v8.i1au.8741
