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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(10): 2510-2520
DOI: https://doi.org/10.20546/ijcmas.2019.810.291


Polygenic Variations and Character Association in Early Maturing Indian Cauliflowers (Brassica oleracea var. botrytis L.)
Sangeeta Shree1*, Randhir Kumar1, Nitish De2 and Ravi Kumar1
1Department of Horticulture (Veg. and Flori.),
2Department of Plant Breeding and Genetics, Bihar Agricultural University, Sabour - 813 210, Bhagalpur
*Corresponding author
Abstract:

Thirteen genotypes of early cauliflower were characterized for different quantitative parameters at the Vegetable Research Farm, at Bihar Agricultural University, Sabour during the Rabi season of 2010-2011 and 2011-2012. The experiment was laid out in a randomized complete block design with three replications. Pooled analysis of variance of the fifteen genotypes over two years indicated significant differences among the genotypes for all the characters under study. The range of variation was highest for marketable weight of curd followed by net weight of curd, days to 50% curd initiation, plant height, length of leaves and curd compactness. The traits such as net curd weight, curd compactness and marketable curd showed high PCV and GCV. High heritability along with moderate genetic advance were observed for marketable weight of curd, curd compactness, plant height and length of leaves which pointed towards the occurrence of additive gene action and hence phenotypic selection as such might be effective for improvement of these traits. Net weight of curd showed significant and positive genotypic and phenotypic correlation with plant height, length of leaves, width of leaves, diameter of curd, marketable weight of curd and curd compactness. Marketable weight of curd showed maximum direct positive contribution on net curd weight of curd at both genotypic and phenotypic level. The value for residual effect was found to be extremely low.


Keywords: Genotypes, Quantitative parameters Analysis of variance, GCV, PCV
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How to cite this article:

Sangeeta Shree, Randhir Kumar, Nitish De and Ravi Kumar. 2019. Polygenic Variations and Character association in Early Maturing Indian Cauliflowers (Brassica oleracea var. botrytis L.).Int.J.Curr.Microbiol.App.Sci. 8(10): 2510-2520. doi: https://doi.org/10.20546/ijcmas.2019.810.291