*Department of Vegetable Science, Udai Pratap College, Varanasi.
**Department of Genetics and Plant Breeding, Udai Pratap College, Varanasi
****Udai Pratap College, Varanasi
Narendradev University of Agriculture & Technology, Kumarganj, Faizabad, Uttar Pradesh
***Corresponding author's present address: Division of Environmental Sciences, Indian Agricultural Research Institute, New Delhi 110 012; E-mail: vinaysoil@yahoo.com
