1 year (1 or 2 cycles) in 8 years or 1 crop cycle in 8 crop cycles.
Avoid high populations of Chalara elegans when soil pH >/= 7
1 year (1 or 2 cycles) in 8 years or 1 crop cycle in 8 crop cycles.
Avoid high populations of Chalara elegans when soil pH >/= 7