›› 2003, Vol. 1 ›› Issue (04): 0-207.

• 论文 •    

Measurement of virulence in laboratory and field trials of its control effects for 20%phoxin-avermectin E. C.

  

  • Received:1900-01-01 Revised:1900-01-01 Online:2003-08-11 Published:2003-08-11