گزارش نهایی بررسی عوامل قارچی مولد خشکیدگی گوجه فرنگی در استان سمنان

In order to identify causal agents tomato wilting, during 2000- 2001 several nurseries and tomato fields of different localities of Semnan province were spected. The sampling were done during vegetative phases of plants. 14 species belonging to 10 genera were isolated for their pathogenicity...