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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 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
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(5): 1871-1878
DOI: https://doi.org/10.20546/ijcmas.2020.905.212


Unclogging Seed Borne Pathogens to Prevent Diseases in Capsicum
Suryapal Singh1* and Harshita Singh2
1Department of Seed Science and Technology, Dr. Y.S. Parmar University of Horticulture and Forestry, Nauni, Solan (HP) 173 230
2Department of Vegetable Science, CCSHAU, Hisar, India
*Corresponding author
Abstract:

The present investigations was carried out to study the effect of hot water seed treatment comprised of different ranges of temperature (47-49, 50-52 and 53-55 °C) and discrete duration of time (30, 45 and 60 min.). The seeds of bell pepper and their most important seed-borne pathogens (Alternaria spp., Curvuleria spp., Penicillium spp., Fusarium spp. Colletotrichum spp.) have been investigated in laboratory. Thee numbers of infected seeds were observed and recorded daily and per cent incidence was evaluated. Furthermore, per cent ungerminated seeds and incidence of various diseases like, damping-off, anthracnose, wilt, cercospora leaf spot and virus attack was recorded in nursery as well as in field under protected cultivation. Under in vitro conditions, the hot water treated seed with temperature 50-52°C for 30 min. showed significantly lower seed microflora (%) as compared to untreated seed (control). In nursery condition, the hot water treated seed, same temperature 50-52°C for 30 minutes showed lower damping-off and virus incidence as compared to control with 22.75 per cent post emergence damping-off and 5.56 per cent respectively. Though, the incidence of damping off and virus attack is minimum in case of the hot water treated seed same temperature 53-55°C for 60 min. i.e. 5.47 per cent and 1.11 per cent respectively but this high temperature for such long time have strongly affected germination. That’s why ungerminated seed percentage in case of is hot water treated with 53-55°C for 60 min. is  41.11 which is significantly very high compared to the hot water treated with 50-52°C for 30 minutes  i.e. 12.22 per cent. Under protected condition the hot water treated with 50-52°C for 30 min. showed lower incidence of diseases like anthracnose, cercospora leaf spot, wilt and virus as compared to control. It may be concluded that hot water seed treatment at 50-52°C for 30 min. proved effective in reducing the incidence of diseases like damping–off, anthracnose, cercospora leaf spot and viruses in bell pepper cultivar Solan Bharpur without any ill effect on the germination of seeds.


Keywords: Hot water seed treatment, Bell pepper, Seed microflora, Disease incidence and Capsicum annuum
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How to cite this article:

Suryapal Singh and Harshita Singh. 2020. Unclogging Seed Borne Pathogens to Prevent Diseases in Capsicum.Int.J.Curr.Microbiol.App.Sci. 9(5): 1871-1878. doi: https://doi.org/10.20546/ijcmas.2020.905.212