Apples are about 15-20 mm diameter and the thinning window is pretty much closed. Sevin may still have some effect at this stage. The only other effective material is ethephon, which is too risky for most growers.
Apples are about 15-20 mm diameter and the thinning window is pretty much closed. Sevin may still have some effect at this stage. The only other effective material is ethephon, which is too risky for most growers.