THE M. H. HARMAN COMPANY 
SPRAY CALENDAR 
WHAT TO SPRAY FOR 
SPRAY TO USE 
REMARKS 
San lose Scale 
Scurfy Scale 
Bud Moth 
Eggs of Apple Aphis 
Eggs of Spider 
Green Peach Aphis 
Oyster Shell Scale 
Peach Leaf Curl 
Pear Leaf Blister Mite 
uime Sulfur 
Winter strength 
Apply while buds are swelling to Apples, Pears, Peaches, Plums 
and Cherries and small fruits, using the winter strength lime sulphur 
drenching all parts of the tree. 
Test both the commercial and homemade lime sulfur with hy- 
Irometer before using to secure the correct strength. The tree must 
pe completely covered with winter strength lime-sulfur when spraying 
:or scale insects. Coat every portion from ground to tip of twigs. 
Strawberry Leaf Blight 
Lime Sulfur 
Summer strength 
Afmly when new leaves start 
Repeat every lo-is days until flowers appear. Bum leaves as soon 
as crop is harvested. 
Thrips 
Nicotine Extract (2.7 per ct.) 6 qts. 
Water 100 gals 
Soap 2 to 5 lbs 
The period for effective spraying against the adult thrips. is during 
the time when the buds are swollen and partly open, and until they are 
entirely open at the tips. Spray for the larvae ^ter the petals drop to 
reduce the numbers of insects for the following year. 
Apple Scab 
Black Rot of Apple 
Brown Rot of Prune 
Bud Moth 
Caterpillars 
Codling Moth 
Lime Sulpher 
Summer strength 
and 
Arsenate of Lead 
3 lbs. to 50 gallons 
First application. Just before blossoms open, for apple scab and 
various l^f-eating insects, use lime-sulphur solution (32® Beaume) 
diluted with forty parts of water, with two to three pounds arsenate of 
lead to forty gallons. May be omitted if insects are few and weather is 
dry. 
Second application. When blossoms arc about two-thirds off, give 
same treatment as (2). This is the most important spraying for apple 
scab and codling moth. Should never be omitted. 
Third application. About two weeks later repeat (2) if weather is 
favorable for apple scab; that is, moist and warm. 
Fourth application. About flist week in August repeat (2) to prevent 
late infections of apple scab and to control secona brood of codling 
moth. 
PEARS ' 
Spray as for apples. As foliage appears to be more susceptible to 
iniuries by the spraying mixture, dilute the concentrated lime-sulphur 
solution (32® B.) in the proportions of i to so and apply the liquid in 
minimum quantities, using nozzles with flne apertures. 
For life history of codling moth write to Experiment Station , Geneva. 
Canker (N. Y. Apple) 
Mildew, apple 
Scab, apple and pear 
Lime Sulfur 
Summer strength 
See Arsenate of Lead for combination spray. 
Grape Rot and Anthracnose 
Lime Sulfur 
Summer strength 
Apply when leaves are half grown; Just before blossoming; When 
fruit has set. 
Repeat once or twice at intervals of two weeks. If latter applica- 
tions are necessary use ammonical copper carbonate solution. 
Plum CurcttUo 
Arsenate of Lead 
PLUMS 
First application. When “husks” or calyces drop, spray with 
arsenate of lead, 3 lbs. to 50 gals, of water for the curculio. For leaf 
spot on Eiuopean varieties use bordeaux mixture 5-5-50 with arsenate 
oif lead. 
Second application. For leaf spot repeat spraying with bordeaux 
mixture about ten days later. 
Japanese varieties of plums should be sprayed as directed for peaches. 
CHERRIES 
Spray as for plums for San Jose scale and the curculio. 
PEACHES 
First application. When “husks” or calyces are dropping use two 
pounds of arsenate of lead to fifty gallons of water for the curculio. 
The self-boiled lime-sulphur mixture may be used as carrier of the 
poison to control also brown rot and scab. 
Second application. Two or three weeks later use 88-8-50 self- 
boiled lime-sulph\ir mixture and two pounds of arsenate of lead. 
Third application. About one month before fruit ripens repeat 
treatment with self boiled mixture, omitting the poison. 
Aphis 
on fruit trees 
on garden crops 
Leaf Hopper 
Oyster ohell Bark Louse 
Red Spider 
Woolly Aphis on Branches 
Kerosene Emulsion or Tobacco 
Black Leaf 
These are contact insecticides and should be applied to exposed and 
tender bodies of young. These are all sucking insects and food poisons 
are of little value. 
Be sure to penetrate covering of woolly aphis; be thorough, do not 
allow any to escape. 
Peach Brown Rot 
Peach Scab 
Lime Sulfur 
Selfboiled 8-8-50 
Spray four weeks after blossoms have fallen, again in three weeks 
and about one month before fruit ripens. 
Raspberry Cane Blight 
Resin-Bordeaux 
Apply just after leaves have fallen. 
Spraying in spring before buds open may be substituted for this for 
combating insects and fungus pests. However, it may be desirable to 
apply in fall on account of rabbits. 
Apple Cankers 
Apnis Egm 
Pear Leal Blister Mite 
Red Spider Eggs 
Tent Caterpillar Eggs 
Woolly Aphis 
Lime Sulfur 
Winter strength 
Grape Mildew 
Flowers of Sulfur 
For mildew on grape use finely pulverized sulfur. Dust the ground 
and vines freely during a warm, bright morning when the slightest 
attack of mildew is suspicioned. This should not be applied while 
the weather is damp or the vines wet. 
Tussock Moth 
Band trees 
Band trees with tanglefoot or strips of raw cotton, binding it in the 
middle, leaving band loose above or below. Do not apply sticky 
preparations directly on bark of trees. Use bands during June, July 
and August. Remove egg clusters which appear in masses as a white 
froth. 
Crown Gall 
Fire Blight 
Raspberry Cane Blight 
Strawberry Crown and Root Borers 
L^f Rollers 
Destroy infected parts 
See notes 
Crown Gall is a bacterial disease of root or crown of trees. All 
infected trees should be destroyed. Keep a constant lookout for this 
trouble. 
Fire Blight bacteria may extend below discolored or blackened 
res[ioD, hence cut should be made about one foot below. Disinfect 
knife and wound with mercuric bichloride one part to 1000 parts of 
water. 
Strawberry plants should be dug up and burned before May 1 to 
destroy insects before beetles escape to lay eggs. 
For strawberry leaf roller bum top as soon as crop is gathered. 
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