1. Department of Plant Protection, Agricultural Faculty, Ondokuz Mayis University, Kurupelit, Samsun 55139 Turkey
2. International Maize and Wheat Improvement Center, PK 39 Emek, Ankara, Turkey and Apdo. 6-641, 06600 Mexico DF Mexico
3. Horticulture Research Institute, Yalova İstanbul, Turkey
4. Plant Protection Central Research Institute, Bağdat Str. No. 250 Yenimahalle, Ankara 06170 Turkey
5. Agricultural Research Institute, Edirne, Turkey
6. Plant Protection Department, Forestry Faculty, University of Ankara, Çankiri
7. Bahri Dagdas International Agricultural Research Institute, Konya, Turkey