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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
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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(2): 1752-1764
DOI: https://doi.org/10.20546/ijcmas.2019.802.207


Qualitative Traits, Genetic Variability and Character Association for the Potential Use in Breeding Programme of Mango (Mangifera indica L.)
Satyendra Singh Narvariya* and A.K. Singh
Department of Horticulture, College of Agriculture, G.B. Pant University of Agriculture and Technology, Pantnagar 263145, U.S. Nagar, Uttarakhand, India
*Corresponding author
Abstract:

Mango is an important tropical fruit crop that is thought to be native to South-eastern Asia and currently cultivated worldwide in regions with tropical and subtropical climates. However, the existing diversity in most mango producing countries is at rest poorly implicit. The Qualitative traits are influenced by environmental factors and caused numerous synonyms. It is most important to classify the accessions into their homogeneous groups on the basis of multivariate parameters instead of using univariate method to identify the nature and structure of varieties and to avoid duplicacy of accessions. Variability existing in any crop is the basis for all crop improvement programmes. Higher the variation, greater is the improvement over base population. Hence, sufficient variability, if present in the given crop can be exploited for developing superior cultivars. The concept of heritability is important to determining whether phenotypic differences observed among various individuals are due to genetic changes or due to the effects of environmental factors. Heritability indicates the possibility and extent on which improvement can be brought about through selection. It is a useful measure for considering the ratio of genetic variance to the total variance and is genetically represented in percentage. Correlation measures the degree and direction of relationship between two or more variables. The study of character association helps breeder in fixing a selection criteria for fruit yield in parental lines such as selection will be effective in isolation than correlating the correlation of phenotypic values and subjected to change in the environment. Therefore, Qualitative traits, Genetic Variability and Character Association are essential for better use of varieties/genotypes in crop improvement programme.


Keywords: Character Association, Genetic variability, Qualitative traits, Mango
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How to cite this article:

Satyendra Singh Narvariya and Singh, A.K. 2019. Qualitative Traits, Genetic Variability and Character Association for the Potential Use in Breeding Programme of Mango (Mangifera indica L.).Int.J.Curr.Microbiol.App.Sci. 8(2): 1752-1764. doi: https://doi.org/10.20546/ijcmas.2019.802.207