Vol. 2 (5) : September-October 2011 issue
Green Farming Vol. 2 (5) : 574-576 (September-October, 2011) (New Series)
Physiological studies of Alternaria blight of Indian mustard caused by Alternaria brassicicola L.
RAM CHANDRA KUMAWATa1*, A.C. MATHURa2 and G.L KUMAWATb3
aDepartment of Plant Pathology, S.K.N. College of Agriculture, (S.K.R.A.U, Bikaner), Jobner, Jaipur - 303 329 (Raj.)
bDepartment of Plant Pathology, C.S.A. University of Agriculture & Technology, Kanpur - 208 002 (U.P.)
Designation : 1M.Sc. Scholar (Plant Pathology), 2Assistant Professor, 3T.A (Division of FHT, IARI, PUSA, New Delhi) *(gk.iihr@gmail.com)
Subject : Plant Pathology, Nematology and Virology, Mushroom Cultivation
Paper No. :
Total Pages : 3
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Revised accepted :
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Citation :
RAM CHANDRA KUMAWAT, A.C. MATHUR and G.L KUMAWAT. 2011. Physiological studies of Alternaria blight of Indian mustard caused by Alternaria brassicicola L. Green Farming Vol. 2 (5) : 574-576 (September-October, 2011) (New Series)
ABSTRACT
Alternaria blight is the most important disease of rapeseed mustard causing losses every year. Study of solid media revealed that Alternaria brassicicola gave best growth 62.8mm and sporulation 21.30x106 spores/ml on Potato Dextrose Agar (PDA) medium followed by Richard's and Czapeck's medium while in case of liquid media best mycelial weight 81.1mg and sporulation 19.20x106 spores/ml was found on Czapeck's medium followed by Richard's and Brown's medium, with regard to effect of temperature and relative humidity, the maximum growth 42.2mm, 58.1mm and sporulation 15.75x106 spores/ml, 20.80x106 spores/ml was found at 250C and 100 per cent relative humidity.
Key words :
Alternaria brassicicola, Brassica juncea, mustard, sporulation.
