SPRAYS FOR THE SUPPRESSION OF SHOOT GROWTH AND PROMOTION OF FLOWERING
Ethephon application to young non-bearing trees when shoots are 4-6 inches long (10-14 days after full bloom) has reduced shoot growth and increased flower bud development.
ethephon 1.5-2 pints/100 gals. dilute.
ethephon 1 pint/100 gals. dilute
The restricted entry interval for Ethrel and Cepha (ethephon) is 48 hours, with written worker notification required.
On to Calcium Application
1996-1997 New England Apple Pest Management Guide