WINTER I FALL I SUMMER | SPRING 
84 
ALBANY NURSERIES 
SPRAY CALENDAR FOR APPLES AND PEARS. 
What to Spray for 
Condition of tree 
or relative time. 
What to Use. 
Remarks. 
Moss and Lichens. 
Scale Insects. 
Aphis. 
Pear Leaf Blister 
Mite. 
Red Spider. 
Just as tips of 
leaves are emerg- 
ing. 
Lime-Sulphur 1 to 
12 plus. Black 
Leaf -40, 1 to 900. 
The time indicated is the best time to apply 
the clean-up spray as this will destroy more 
insect pests than if applied during the win- 
ter. No so-called dormant spray need be 
given where this method is used. Slight in- 
jury may occur to the tips of the first leaves, 
but this is not serious. Dilute the Lime- 
Sulphur and add Black-Leaf-40, 1 pint to 
each 110 of the diluted spray. 
Scab, 1st applica- 
tion. 
When the blossom 
buds have separ- 
ated in the clus- 
ter and show pink 
Lime-Sulphur 1-30 
or Bordeuax 5-5- 
50. 
If leaf eating insects or green fruit worms 
are present add Arsenate of Lead (neutral) 
or non-acid 2 pounds to 50 gallons of diluted 
spray if a paste form, 1 pound to 50 gallons 
if powdered. 
Scab 2nd applica- 
tion and codling 
moth calyx spray 
Tent and other 
leaf eating cat- 
erpillars. Slugs 
on pears. 
After petals fall 
and before calyx 
lobes closes. 
Lime-Sulphur 1-30 
plus Arsenate of 
Lead 2 to 50 paste 
or 1 to 50 powder, 
non-acid or neu- 
trals. 
If scab does not occur in a district Lime-Sul- 
phur is not necessary. This spray should be 
applied with considerable force so as to get 
the poison into the inner calyx cup. 
Apple Powdery 
Mildew. 
Apply one week 
after the petals 
fall. 
Iron sulphide, 10- 
10-100. Combined 
with Lime-Sulphur 
Prepare by adding 15 pounds of dissolved iron 
sulphate per 100 gallons of diluted Lime- 
Sulphur. add slowly while stirring. Black 
Leaf-40 should be added afterwards. Repeat 
this application at intervals during the 
summer if neceeary. 
Bud Weevils 
When the insects 
Bands of some 
sticky substance 
(Tangl e-f oo t, 
printer’s ink, etc. 
These insects cannot fly and if the bands are 
such that theft' cannot crawl over or under 
them, there is little danger of their getting 
into the trees. Bands of cloth should he put 
around the trees and the tangle-foot or ink 
placed on the bands. 
Apple tingis. 
Apple Leaf Hop- 
per. 
Black-Leaf-40, 1 to 
800: whale o i 1 
soap 1 lb. to 100 
gal. of spray. 
Scab. 3rd applica- 
tion. 
Ten days after 2nd 
application. 
Lime-Sulphur 1-30. 
May be omitted if no rains after second spray. 
If rains continue in early June give 4th ap- 
plication 10 to 15 days after 3rd. 
Codling Moth, 2nd 
application. 
East of Cascade 
Mts. 2 to 4 weeks 
after 1st applica- 
tion. West o f 
Cascades about 6 
weeks after 1st 
application. 
Arsenate of Lead 
2 pounds to 50 
gallons of water 
if paste: 1 pound 
to 50 ^ gallons of 
water if powder. 
The codling moth apparently does not deposit 
its eggs until the evening temperatures 
reach 65° F. or above. The larvae appear 
a week to 10 later and the spray should lie 
applied before first ones hatch. 
Codling Moth, 3rd 
application. 
Five weeks after 
2nd application. 
In Western Oregon and Washingon make this 
application between Aug. 1 and Aug. 10. 
Bud Moth. 
Anthracnose. 
Codling Moth. 
1st to 15th of Sep- 
tember. 
Bordeaux mixture 
5-5-50 and Arsen- 
ate of Lead 2 to 
50 paste, or 1 to 
50 powder. 
This is the best time of year to kill the bud 
moth and many codling moth larva? may 
also be destroyed. If anthracnose is pres- 
ent, it is advisable to use combination spray* 
Where anthacnose is serious the Bordeaux 
should not be omitted. 
Anthracnose 
After fruit is 
picked. 
Bordeaux mixture Where anthracnose is very severe two appli- 
6-6-50. cations should be made 15 days apart. 
No spray ing is necessary if spring applica- 
tions are made as recommended above. 
Fence rows should lie cleaned up and all 
dead wood and prunings should be burned. 
