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 2018: 95.39
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2018: 95.39
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 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(4): 2152-2171

Assessment of Breeding Potential of Cherry Tomato [Solanum lycopersicum var. Cerasiforme (Dunnal) A. Gray] Grown under Open Field to Identify Desirable Alleles
Debmala Mukherjee1, Praveen Kumar Maurya1, Tridip Bhattacharjee1, Swadesh Banerjee1, Subhrajyoti Chatterjee1, Sudipa Mal2, Ivi Chakraborty3, Soumitra Chatterjee4, Sunanda Chakraborty5, Anirban Maji6 and Arup Chattopadhyay1*
1Department of Vegetable Science,
2Department of Agricultural Chemistry and Soil Science, 3Department of Post-Harvest Technology,
4Department of Agricultural Economics,
 5Department of Plant Pathology,
6Department of Genetics and Plant Breeding, Faculty of Agriculture, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur-741252, Nadia, West Bengal, India
*Corresponding author

Assessment of advance breeding lines of cherry tomato for reproductive, fruit quality and disease severity attributes could provide insight into the underlying biology of the source of desirable alleles for breeding for open field production. The study was undertaken to evaluate 14 newly developed breeding lines from India to utilize useful genes in cherry tomato breeding, and to assess genetic variability and character associationship among 19 quantitative characters to identify important selection indices, and genetic divergence to identify potential donor(s) for breeding cherry tomato especially under open field condition. Genotypes Cherry Round Yellow and 16/ToCVAR-1 appeared the most promising and could commercially be exploited as open field varieties in tropical and sub-tropical regions of the world, after critical testing. High, genotypic coefficient of variation, heritability coupled with genetic advance, occurred for pericarp thickness, fruit firmness, ascorbic acid content, titratable acidity content, total antioxidant activity of fruit, percent disease index of tomato leaf curl virus (PDI of ToLCV), and fruit yield per plant, which suggests that the characters concerned are conditioned by additive gene action and therefore, these characters would be more reliable for effective selection. The top priority should be given to selection based on fruit per flower cluster, pericarp thickness, fruit firmness, number of flower clusters per plant, fruit weight, and retinal activity equivalent for yield improvement and could be considered while formulating selection indices in the improvement of cherry tomato for open field condition. Geographical diversity was not adequate as an index of genetic diversity in field grown cherry tomatoes. The principal components, titratable acidity content, fruit yield per plant, PDI of ToLCV, and total antioxidant acidity, had eigen values >1 and together accounted for 100% of total variation. Based on multivariate analysis and average values, genotypes 16/ToCVAR-1, 16/ToCVAR-3, 16/ToCVAR-4, 16/ToCVAR-5, 16/ToCVAR-6, and Cherry Round Yellow were identified as potential donors that could be passed on to breeders not only for ToLCV resistant breeding but also for improvement in yield and better nutritional quality of cherry tomato either through development of hybrids, or isolation of potential lines from segregating generations, suitable for open field culture in tropical and subtropical regions of the world.

Keywords: Cherry tomato, Multivariate analysis, Selection index, ToLCV disease
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How to cite this article:

Debmala Mukherjee, Praveen Kumar Maurya, Tridip Bhattacharjee, Swadesh Banerjee, Subhrajyoti Chatterjee, Sudipa Mal, Ivi Chakraborty, Soumitra Chatterjee, Sunanda Chakraborty, Anirban Maji and Arup Chattopadhyay. 2020. Assessment of Breeding Potential of Cherry Tomato [Solanum Lycopersicum var. Cerasiforme (Dunnal) A. Gray] Grown under Open Field to Identify Desirable Alleles.Int.J.Curr.Microbiol.App.Sci. 9(4): 2152-2171. doi: