Screening for Fungicides of Alternaria cucumerina

The toxicity of 6 fungicides for Alternaria cucumerina by mycelium growth rate method were tested.The results showed that the inhibition of 6 fungicides to Alternaria cucumerina were obvious different,75%Trifloxystrobin· Tebuconazole WG and tebuconazole SC had the best inhibition on the mycelium growth of the pathogen among six fungicides tested.20% SYP 1620·Tebuconazole SC was the second effective fungicides.