Fred from Ridgeland writes
I've been told that the product must contain malathion to kill plum curculio, and must be applied more than 3 times a year to get good results. This was from a PhD professor with my state's extension service.
Bonide Fruit Tree Spray Concentrate does contain a small amount of malathion and would be an option. Bonide Malathion 50E Concentrate is also labeled for plum curculio with a higher percentage of active. Please review the product label for application.
Answer last updated on: 01/24/2021