Pre-blossom Spray 
(When the blossom buds begin to separate in the cluster.) 
Material: 1-3/5 cups lime sulphur. + 
Water to make 5 gallons. 
Control: Pear Scab, Pear Midge. 
Calyx Spray 
(When the last of the petals are falling.) 
Material: 1-3/5 oz. copper sulphate. 
8 oz. hydrated lime. 
2-2/5 oz. lead arsenate. 
Water to make 5 gallons. 
Control: Codling Moth, Leaf Roller, Scab, Green Fruit 
Worm. 
First Nymph Spray § 
(About a week to 10 days after petals have fallen.) 
Material: 1-3/5 oz. copper sulphate. 
8 oz. hydrated lime. 
2-2/5 oz. lead arsenate. 
1/10 cup nicotine sulphate. 
Water to make 5 gallons. 
Control: Pear Psylla, Codling Moth, Curculio. 
PEACH, PLUM, CHERRY, NECTARINE, 
APRICOT SPRAY 
Dormant Spray 
(In late fall or early spring, before the buds swell.) 
Material: Lime Sulphur and water. 
Control: San Jose Scale, Leaf Curl, Brown Rot. 
Pre-blossom Spray 
Material: 1-3/5 cups lime sulphur. 
1/10 cup nicotine sulphate. 
Water to make 5 gallons. 
Control: Brown Rot, Aphids. 
Petal-fall Spray 
Material: 4 oz. wettable sulphur. 
2-2/5 oz. hydrated lime. 
2-2/5 oz. lead arsenate. 
Water to make 5 gallons. 
Control: Leaf Spot, Brown Rot, Plum Curculio. 
Shuck Spray 
(When the shucks have fallen off young fruit.) 
Material: Dusting sulphur. 
Control: Brown Rot, Leaf Spot. 
First Fruit Fly 
(1 week after Fruit Flies have appeared, when Early 
Richmond shows tinge of color.) 
Material: 4 oz. wettable sulphur.* 
1-3/5 oz. finely ground derris or cube powder. 
Water to make 5 gallons. 
Control: Cherry Fruit Fly. 
(omit in case of all fruit except Cherry) 
Second Fruit Fly 
(10 days after first spray.) 
Material: Same as for first Fruit Fly Spray. 
Control: Cherry Fruit Flies. 
(omit in case of all fruit except Cherry) 
* or at manufacturer’s directions. 
** Early maturing apples should not be sprayed later than the 
calyx. 
[ 45 ] 
