The Occurrence Period of Chestnut's Main Pest and Its Estimating with Method of in Dry River Valley District of Shimian County
YANG Wei1, ZHOU Zu-ji1, HUANG Qiong1, YANG Chun-ping1, YAO Yong2, JIANG Jun2, LI Hua-qing2
1. The Provincial Key Laboratory of Forest Protection, Sichuan Agricultural University, Yaan 625014, Sichuan, China; 2. Forest Bureau of Shimian County, Shimian 625400, Sichuan, China
YANG Wei, ZHOU Zu-ji, HUANG Qiong, YANG Chun-ping, YAO Yong, JIANG Jun, LI Hua-qing. The Occurrence Period of Chestnut's Main Pest and Its Estimating with Method of in Dry River Valley District of Shimian County[J]. jsau, 2002, 20(04): 380-382.