Leaves on a point is cowpea rust disease more early, summer robe is not mature yet not cracked yet not seen rust powder, control cowpea rust disease, available triazole drugs, such as tebuconazole, aconazole, fusilazole, triadimefon, hexaconazole and other drugs . Conventional concentration. Spraying is efficient and economical. Resistance varies from region to region, it is recommended to spray twice, once in 5-7 days, two consecutive control. (Try not to use propiconazole, regular concentration of growth inhibition is obvious, play a role in the control of prosperity (pressure seedlings), unless deliberately control prosperity or mid-late stage or treatment of rust together with the control of prosperity).
These are the most important of all.
Treatment of cowpea rust, : benomyl . Pyrimethanil + tebuconazole 80% 5 grams (or 43% of 10 grams) or hasonazole