SPRAY CALENDAR-INDEX 
84 
SPRAY CALENDAR FOR STONE FRUITS. 
What to Spray for 
Condition of tree 
or relative time. 
What to Use. 
Remarks. 
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CL. 
ach Leaf Curl 
Scale Insects 
Peach Twig 
Miner 
Aphis 
Moss 
Lichens 
Red Spiders 
As the buds are 
swelling in the 
spring. 
Lime-Sulphur, 1 to 
12 plus Black 
Leaf-40, 1 to 900u 
[f leaf curl, moss and lichens are the only 
troubles use Bordeaux 5-5-50. If curl has 
been serious in previous years, and insect 
pests are present use Bordeaux in February 
and lime-sulphur plus Black Leaf-40 as buds 
are swelling. 
California Poach 
Blight and fruit 
spot. Also at- 
tacks apricots 
and almonds. 
About first week 
in May. 
Self-boiled 1 i m e- 
sulphur. 8-8-60. 
Repeat last week in May. If disease is espec- 
ially serious make an application in the 
middle of May. 
P 
Ca 
each tree borer. 
First of June. 
Asphaltum 
Ordinary paving asphaltum should be used 
and can be applied with a paint brush. Ap- 
ply' from base of tree to 12 or 14 inches up 
the trunk. 
terpillars, a n d 
Xid Moth. All 
‘ruits. Slugs on 
cherry. 
As soon as they 
appear after the 
leaves are out. 
Arsenate of Lead 
non -acid, 1 to 5( 
powdered, or 2 to 
50 paste. 
Not necessary to make this application if in- 
sects do not appear. 
Bud weevils (on 
prune grafts 
principally. 
When they begin 
to appear. 
Tree tangle- foot or 
some sticky sub- 
stance. 
These insects cannot fly, therefore any sticky 
substance placed on bands about the trunks 
should keep them out of the trees. Tree 
tangle-foot is probably the most efficient 
material to use. Bugs in trees when bands 
are put on can be shaken from tree by jarring 
Brown Rot (Peach, 
Prune. Plum, 
Apricot, Cherry. 
First application 
one month after 
petals fall; 2nd 
one month later; 
3rd one month 
before ripening 
of fruit. 
Self-boiled lime- 
sulphur, 8-8-50. 
If spraying prunes, Bordeaux. 4-4-50 or lime 
sulphur, 1-40 can be used with safety. 
California Peach 
Blight and fruit 
spot. 
Last week in Oc- 
tober. 
Bordeaux, 6-6-50. 
This is the most important application for Cal- 
ifornia Reach Blight. Fall spraying should 
become regular orchard practice in all sec- 
tions where this disease occurs. After the 
disease is once under control fall spraying 
should lie sufficient and the spring applica- 
tion for this disease may be dispensed with. 
To Correspondents 
Information for Planting Trees. _ 
List for Special Purposes 
Roses 
Spray Calendars 
FRUIT DEPARTMENT 
Apples 1-6 Peaches.. 
Apricots 19 Pears 
Crab Apples 6 Plums 
Cherries 9 Prunes . 
Nectarines 20 Quinces . 
INDEX. 
II 
SMALL FRUITS 
III VIII 
Asparagus . 
... 32 
Loganberries 
. 30 
Blackberries 
28 
Mulberries 
33 
Currants 
____ 30 
Rhubarb, or 
Pie 
81-82 
30 
Plant 
.33 
..84-85 
Gooseberries 
32 
Raspberries 
26 
Grapes 
21 
Strawberries 
25 
.... 15 
NUT 
TREES 
.... 6 
Almonds 
_ .. 34 
Hickory 
35 
11 
Chestnuts 
.... 35 
Walnuts . 
... 35 
.13 
Filberts 
.... 35 
.... 20 
