The control effects of six kinds of reagents against rice sheath blight were compared in the test.The results showed that 24% thifluzamide SC 300 mL /hm 2 and 2
In order to explore the effects of chemical substances changes in damaged masson pine(Pinus massoniana) needles on population dynamics of Dendrolimus kikuchii,D
Using eight maize varieties( Tiannuo 888,Yunnuo 6,Yunrui 999,Yunrui 6,Yunrui 47,Yunrui 88,Yunyou 105,Yuntianyun 2) as the research materials,this paper aimed to