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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.
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39 For more details click here
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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): 2909-2914
DOI: https://doi.org/10.20546/ijcmas.2020.910.350


Screening of Tomato Genotypes for Early Blight Disease Resistance in Tomato (Solanum lycopersicum L.)
Suresh Kumar Sah*, Anand Kumar Singh, B. K. Singh, Kalyan Barman and A. K. Pal
Department of horticulture, Institute of Agricultural Sciences, BHU, Varanasi, India
*Corresponding author
Abstract:

Early blight is the most devastating disease of tomato it is caused by pathogens i.e. Alternaria solani. In tropical and subtropical countries it creates hazardous effect. It is also a common problem in United Kingdom, Australia, India, Nepal and United States. It is one of the most common foliar diseases of tomatoes. The disease can occur over a wide range of climatic conditions, but is most prominent in areas with heavy dew, rainfall and high relative humidity. Every year sever disease appears in north India. Early blight disease mostly effects leaf, stem, and rotening of the apical parts of fruit is very serious and damaging symptoms. Entire tomato crop loss occurs during severe occurrence of this disease of tomato. Fourteen genotypes including one check variety of tomatoes were involved in this study for the identification of highly resistant (HR), resistant(R), moderately resistant (MR), moderately susceptible (MS) and susceptible (S) reaction of tomato genotypes under natural field condition. Screening trail was done in multiple replications during two Rabi seasons 2016-17 and 2017-18 at Vegetable Research Farm, Department of Horticulture, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, India. Genotype EC-520061 was found highly resistant during both the year 2016-17 and 2017-18. Thus it was proved from our research that the genotype EC-520061 was stable and consists of highly resistant gene against early blight disease of tomato under natural field condition. However, resistant reaction was recorded in two genotypes during Rabi 2016-17. But susceptible reaction was proved to be in three genotypes during 2017-18.


Keywords: Early blight disease, Screening, Resistant, Natural field condition, Yield
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How to cite this article:

Suresh Kumar Sah, Anand Kumar Singh, B. K. Singh, Kalyan Barman and Pal, A. K. 2020. Screening of Tomato Genotypes for Early Blight Disease Resistance in Tomato (Solanum lycopersicum L.).Int.J.Curr.Microbiol.App.Sci. 9(10): 2909-2914. doi: https://doi.org/10.20546/ijcmas.2020.910.350