Excuse me, teachers, what happened to my beans and what medicine was used to control them? Thank you.
The red spot is soybean rust, and it can be sprayed with benomyl+tebuconazole, hexaconazole and tebuconazole. Once every 6-7 days, twice in a row.
Macular flower, personally think that red spider is endangered. Please pay attention to the leaves behind. Abamectin, abamectin, acarbose or clofentezine can be sprayed to control red spiders.