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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 (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
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.2017.6(9): 3103-3106
DOI: https://doi.org/10.20546/ijcmas.2017.609.382


A New Record on Algal Leaf Spot of Quince from Himachal Pradesh, India
Arti Shukla1, S.K. Sharma2, Shalini Verma2* and Bunty Shylla1
1Krishi Vigyan Kendra, Kandaghat, Solan (HP) 173 215, India
2Department of Plant Pathology Dr. Y.S. Parmar University of Horticulture and Forestry, Nauni, Solan (HP) 173 215, India
*Corresponding author
Abstract:

Quince (Cydonia oblonga) is a hardy tree and very less susceptible to diseases. Therefore, used as a dwarfing rootstock for pear, depending on the scion desired and characteristics of the production area. Algal leaf spot is a foliar disease most commonly seen in warm humid climate or in greenhouse conditions. The spots were circular or blotchy in shape, 1-5mm in size and were somewhat raised from the plant surface. The edges of the spots were wavy or feathered. They varied in colour from a crusty grey-green to yellowish orange. The severity of the disease was rated 15-20 per cent on 0-5 scale. Based on morphological characteristics viz., sporangiophore, head cell and sporangiate laterals (suffultory cell and sporangium) the algal leaf spot of quince was found to be associated with Cephaleuros virescens. The measurement of sporangiophores varied from 305.3-670.4 x 11.1 -19.2 µm (Av. 472.3 x 14.5 µm), sporangia from 22.4-32.8 x 16.8-23.07 µm (Av. 27.6 x 19.9 µm) and that of head cell from 30.2- 57.4 x 29.4- 56.2 µm (Av. 43.6 x 42.5 µm). The number of septa of sporangiophores varied from 4-8.This is the first report on the occurrence of algal leaf spot of quince caused by Cephaleuros virescens from Himachal Pradesh, India.


Keywords: Quince, Algal leaf spot, Cephaleuros species.
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How to cite this article:

Arti Shukla, S.K. Sharma, Shalini Verma and Bunty Shylla. 2017. A New Record on Algal Leaf Spot of Quince from Himachal Pradesh, India.Int.J.Curr.Microbiol.App.Sci. 6(9): 3103-3106. doi: https://doi.org/10.20546/ijcmas.2017.609.382