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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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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.2017.6(5): 403-407
DOI: https://doi.org/10.20546/ijcmas.2017.605.046


Serious Leaf Spot Disease Problem of Calotropis procera (Aiton) W.T.Aiton. by Alternaria alternata in Gurgaon (Haryana), India
Narendra Kumar* and S.M. Paul Khurana
Amity Institute of Biotechnology, Amity University Haryana, Manesar, Gurgaon-122413, Gurgaon, Haryana, India
*Corresponding author
Abstract:

Calotropis procera (Aiton) W.T. Aiton. (Asclepiadaceae) commonly known as Madar or’Aak’ is a medicinally important wild shrub native to India useful in treatment of a number of illnesses including dysentery,intermittent fevers, cold, cough, and asthma. We observed a serious leaf spot disease of madar growing on wasteland sites near about AUH in the Panchgaon, Manesar- Gurgaon (Haryana) in year onward 2014. In January and February 2017, we observed this leaf spot to be very prevalent or on almost all plants in the vicinity. Disease incidence was greater than 90% and caused extensive abscission of leaves. Symptoms on infected leaves were first observed in end of October to November of each year as small, circular spots with large yellow to dark brown halos on both sides of the lower and upper leaves. The spots gradually enlarged in size. Soon they became irregular in shape or remained circular with concentric rings or zones. This is a new record from Aravali Hills near AUH at Panchgaon, Gurgaon Haryana.


Keywords: Calotropis procera, Alternaria alternata, Gurgaon, Haryana.
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How to cite this article:

Narendra Kumar and Paul Khurana, S.M. 2017. Serious Leaf Spot Disease Problem of Calotropis procera (Aiton) W.T.Aiton. by Alternaria alternata in Gurgaon (Haryana), India.Int.J.Curr.Microbiol.App.Sci. 6(5): 403-407. doi: https://doi.org/10.20546/ijcmas.2017.605.046