Symptoms of brown spot: round yellow brown spot, April to October is the season of multiple occurrence. Symptoms of blight: the light brown spots become round or irregular, mostly between July and November. Symptoms of carbendazim: round, semicircular or oval spots, which occur from April to June. Control methods: remove the diseased leaves in time, apply fertilizer, spray 1:2:200 times Bordeaux solution when diseased.
Symptoms of melasma
Symptoms of blight
Symptoms of Carbendazim
Control methods of Osmanthus diseases:
