Mungbeans are susceptible to the usual array of pathogens which attack other legumes such as white mold, Phytophthora, mildew, bacterial rots, Rhizoctonia, etc. Contact your Extension agent or crop consultant for assistance. Seed corn maggot and wireworms could attack seeds in the early germination period and reduce stand under certain conditions. Occasional grasshopper or caterpillar infestation could occur and result in defoliation. Mungbeans are no more affected by insect problems than the other legumes.
Weevils can attack the seed in storage.
Pod maturity in mungbean is not uniform because the plants flower over an extended period. This makes it difficult to decide when to harvest. Generally harvest should begin when one half to two-thirds of the pods are mature. Some growers swath the plants to allow further maturity of the pods and then combine using a pick up header on a small grain combine. This is an especially useful harvest system for the vine type varieties or when there is delayed maturity or problem weeds present.