TY  - BOOK
AU  - V. Venkatrao
AU  -  M.R. Kachapur  Department of Plant Pathology
TI  - Studies on powdery mildew of greengram [Vigna radiata (L.) Wilczek] Caused by Erysiphe polygoni DC
U1  - 630 
PY  - 1997///
CY  - Dharwad
PB  - University of Agriucltual Scineces, Dharwad
ER  -