Specific Apple Variety Thinning Recommendations

ALL RATES ARE AMOUNT PER 100 GALLONS WATER DILUTE TREE ROW VOLUME (TRV)

Variety	30-80% full bloom	Petal fall 5-6 mm (1 week after bloom)	8-14 mm fruit size (2-3 weeks after bloom)
Cortland		1 to 2 pt carbaryl	1 to 2 pt carbaryl
Delicious (spur type)	2 gal ATS	2 oz NAA plus 1 pt carbaryl	64 oz 6-BA plus 1 pt carbaryl plus 1 qt ultrafine spray oil
Delicious (non-spur type)		1 pt carbaryl	48 oz 6-BA + 1 pt Sevin OR 2 oz Fruitone + 1 pt Sevin
Empire		2 oz NAA + 1 pt carbaryl	64 oz 6-BA + 1 pt carbaryl OR 3 oz NAA + 1 pt carbaryl
Fuji	2 gal ATS	64 oz 6-BA + 1 pt carbaryl	64 oz. 6-BA + 1 pt carbaryl
Gala	2 gal ATS	3 oz NAA + 1 pt carbaryl	64 oz. 6-BA + 1 pt carbaryl
Gingergold			2 oz NAA + 1 pt carbaryl
Golden Delicious (no Provide)		3 oz NAA + 1 pt carbaryl	64 oz. 6-BA + 1 pt carbaryl OR 6 oz NAA + 1 pt carbaryl
Golden Delicious (with Provide)		3 oz NAA + 1 pt carbaryl	48 oz. 6-BA + 1 pt carbaryl OR 4 oz NAA + 1 pt carbaryl
Granny Smith			3 oz NAA + 1 pt carbaryl
Honeycrisp	2 gal ATS	4 oz NAA + 1 pt carbaryl	3 oz NAA + 1 pt carbaryl
Jonagold			3 oz NAA + 1 pt carbaryl
Lady Apple		3 oz NAA + 1 pt carbaryl	4 oz NAA + 1 pt carbaryl
Liberty		3 oz NAA + 1 pt carbaryl	64 oz. 6-BA + 1 pt carbaryl OR 3 oz NAA + 1 pt carbaryl
Macoun	2 gal ATS	3 oz NAA + 1 pt carbaryl	64 oz. 6-BA + 1 pt carbaryl OR 4 oz NAA + 1 pt carbaryl
MAIA1 (Evercrisp)			1 to 2 pt carbaryl
McIntosh (non-spur type)			2 oz NAA + 1 pt carbaryl OR 36 oz 6-BA + 1 pt carbaryl
McIntosh (spur-type)			3 oz NAA + 1 pt carbaryl OR 48 oz 6-BA + 1 pt carbaryl
Mutsu (Crispin)			2 oz NAA + 1 pt carbaryl
Northern Spy		3 oz NAA + 1 pt carbaryl	2 oz NAA + 1 pt carbaryl
Paulared		3 oz NAA + 1 pt carbaryl	3 oz NAA + 1 pt carbaryl

Also see: Variety Thinning Recommendations for mature trees - 8 to 12mm fruit size at Cornell Cooperative Extension, Eastern New York Commercial Horticulture