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Title: Studies on floral variability and sensitiveness of cutting to gamma radiations in some jasmine genotypes
Authors: K A, Deviah
Guide/Chairperson: H C, Srivastava
Keywords: loral variability
gamma radiations
jasmine genotypes
Issue Date: 1987
Year of Submission: 1987
Abstract: Analysis of variance showed highly significant differences among the genotypes for all the characters studied. The genotype and phenotypic coefficients of variation were found to be high for length of style, width of petal, length of anthers, weight of 100 flowers and weight of 100 flower buds. In general, phenotypic coefficients of variation (PCV) was marginally higher than genotypic coefficients of variation (GCV) except for length of flower bud, and it indicated low environmental influence on the expression of these characters. The high difference between PCV and GCV for flower bud length indicated that this character is influenced by environment. Heritability estimates were high for all the characters studied. Flower bud length revealed a comparatively lower estimate. Combination of high heritability and high estimate of length of style, width of petal, length of anthers, 100 flower weight, 100 flower bud weight, length of petal, diameter of flower, length of corolla tube, and number of petals per flower indicated additive gene action. percentage of rooting was high in all the genotypes and decreased with increase in dosage of gamma radiations. Untreated cutting (control) produced highest number of roots per cutting and the number of roots decreased with increase in the dosage of gamma radiations. Untreated cutting produced longest and thickest roots compared to irradiated cuttings. In general, there was a gradual decrease in the length and thickness in irradiation cuttings in all the genotypes studied. Thus, it can be concluded that gamma irradiation resulted in decrease in percentage of rooting, number of roots per cutting, length and thickness of roots.
URI: http://www.erepo.iihr.ernet.in/handle/123456789/425
University in which they received their degree: University of Agricultural Sciences, Bangalore
Degree Level: M.Sc

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