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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
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(10): 2732-2738
DOI: https://doi.org/10.20546/ijcmas.2020.910.330


Heterosis Studies for Growth and Yield Traits in Tomato (Solanum lycopersicum L.)
Suresh Kumar Sah*, Anand Kumar Singh, B.K. Singh, Kalyan Barman, A.K. Pal and Ashutosh Kumar
Department of Horticulture, Institute of Agricultural Sciences, BHU, Varanasi, India
*Corresponding author
Abstract:

Standard heterosis over one check (DVRT-1) was experimented with thirty hybrids of tomato. Most of these hybrids proved to have unique variation for growth and yield traits in tomato. Standard heterosis over check for total yield/plant was recorded 99.76 %. Highest Heterosis variation was fund to be in number of primary branches/plant, followed by average fruit weight, fruit yield (q/ha), number of fruits/plant, number of fruits / cluster. The statistically ‘highest significant positive standard heterosis for fruit yield (q/ha) was recorded in hybrid EC-570028 × EC-520061(99.76 %.), followed by hybrids EC-552141 × EC-520061 (96.57 %) and EC-552141 × Hisar Arun (96.43 %). The hybridEC-620500×Hisar Arun (-29.82 %) found to have the “statistically highest significant positive standard heterosis” for days to 50 % flowering, followed by hybridsEC-538405×EC-520061 (-13.06 %) and EC-538405 × Hisar Arun (-16.26). Thus these hybrids can be utilized by breeders for developing early flowering, maturing and fruiting types of tomato varieties. Thus from this experimentation we concluded that for the development of commercially high yielding tomato hybrids the breeder should include or select parents with high desirable genetic variability.


Keywords: Standard heterosis, Hybrids, Check, Yield characters, Fruit yield/plant
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How to cite this article:

Suresh Kumar Sah, Anand Kumar Singh, B.K. Singh, Kalyan Barman, A.K. Pal and Ashutosh Kumar. 2020. Heterosis Studies for Growth and Yield Traits in Tomato (Solanum lycopersicum L.).Int.J.Curr.Microbiol.App.Sci. 9(10): 2732-2738. doi: https://doi.org/10.20546/ijcmas.2020.910.330