Follow
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 2017 - IJCMAS--ICV 2017: 100.00 For more details click here
National Academy of Agricultural Sciences (NAAS) : NAAS Score: *5.38 (2019) [Effective from January 1, 2019]For more details click here

Login as a Reviewer

Indexed in



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

See Guidelines to Authors
Current Issues

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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(10): 1166-1184
DOI: https://doi.org/10.20546/ijcmas.2018.710.130


Prevalence and Severity of Apple Scab in Uttarakhand Hills
R.K. Prasad1*, K.P. Singh2, R.K. Gupta3 and J. Kumar2
1Depatment of Plant Pathology, College of Forestry, Ranichauri Tehri Garhwal, 249 199 Uttarakhand, India
2Department of Plant Pathology, GBPUA&T, Pantnagar U.S Nagar, Uttarakhand, India
3Department of Botany, BHU, Varanasi, U.P., India
*Corresponding author
Abstract:

The prevalence of favorable weather conditions during the month of April to June.  Disease  incidence increased of scab was more in Auli and Gangotri valley then Purola- Naugaon, Tuni, Koti- Kanasar and Gwaldam of Garhwal hills. The study area included seven districts of Garhwal division and six district of Kumaon division. Scab was wide spread appearance  in all the areas surveyed and incidence varied from 0 to 100 percent in tree. In Garhwal hills, the disease showed an increasing trend in all the apple areas, most of the areas District Dehradun (26 %), Uttarkashi (41 % %), Chamoli (21 %) and Tehri  (4 %) had scab. In district Uttarkashi, the disease was found to be more prevalent and widespread, in all the villages surveyed, cent percent orchard was found infected, the highest percent infected trees being in Harsil, Dharali, Jhalla, Mukhuwa, Jochira, Cholmi Bagori, Purali, Jashpur and Shukhi. In Puraola-Naugaon (Distt Uttarkashi), Chakrata (Distt Dehradun) and Gwaldam (Distt Chamoli) fruit belt, the incidence of scab was low and it was 1 to 13 percent on leaves and 0 to 6 percent on fruits. In Purola fruit belt, the disease was rather widespread than Chakrata fruit belt. The highest percent infected orchards being in Harsil and Auli, Joshimath. The disease was most severe in leaves and fruits in both the place. The incidence of scab ranged between 05 to 65 per cent on foliage and 5 to 35 per cent on fruits and intensity ranged between 0.01 to 0.30 percent in leaves an on fruits was observed  during 2004 to 2006. Most of the orchards at Harsil recorded as high incidence as 85 per cent fruit scab. Chakrata fruit belt, disease could not be seen in Chakrata, Rawna and Patti areas while in others 20 to 60 percent orchards were affected by scab. At one of the other hot spot, Tuni and Koti-Kanasar (Distt Dehradun) of Chakrata fruit belt, spring infection was less, however, secondary scab appeared in severe form during summer and the rainy season and continued until September first fortnight. In Kumaon hills, the scab incidence was negligible.


Keywords: Apple Scab, Uttarakhand Hills
Download this article as Download

How to cite this article:

Prasad, R.K., K.P. Singh, R.K. Gupta and Kumar, J. 2018. Prevalence and Severity of Apple Scab in Uttarakhand Hills.Int.J.Curr.Microbiol.App.Sci. 7(10): 1166-1184. doi: https://doi.org/10.20546/ijcmas.2018.710.130