1Dept. of Plant Pathology, Punjab Agricultural University, Ludhiana, Punjab
2Dept. of Agricultural Botany, Faculty of Agriculture (Saba Basha), Alexandria University, Alexandria, Egypt
*Email: ahmed_heflish@yahoo.com
National Symposium on Plant Health for Sustainability in the Field and Horticultural Crops held at Citrus Research Station, Dr. Y.S.R. Horticultural University, Tirupati -517502, A.P. (India) on. 18th - 20th November, 2014