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SI»n^YIIV<i CALENDAR FOR 1913
Prepared by R. Kent Beattie, Professor and Head of the Dept. of Botany; and A. L. Melander, Professor of Entomology and Head of the Dept. of Zoology, Washington
State College, Pullman, Wash. For information about insects, pests, plant diseases and spraying, write the State College, Pullman, Wash. - .
When to Spray What to Use What to Spray For. Notes ,
FALL 1- Sulphur-lime. Apple cankers. This spraying may be preceded by a spraying of bordeaux as
Just after the leaves 3 degrees Beaume. | soon as crop is picked, for canker only. .. ..■
fall. Scale insects. Write for bulletin on sulphur-lime spraying. . . ..
Especially for Western Eggs of green aphis and red spider.
Washington. Pear leaf blister mite.
LATE WINTER Woolly aphis.
While buds are swelling. Eg&s of tent caterpillar.
Usual spraying in East- Moss and lichens.
em Washington. . Rabbits and field mice.
2. Sulphur-lime. Bud moth; twig borer; peach leaf curl.
3 degrees Beaume. Scale insects. : Too early spraying will miss these. '
Eggs of green aphis and red spider. Write for bulletin on sulphur-lime spraying.
Pear leaf blister mite.
Rabbits and field mice.
Mildew. * ______ _____
SPRING i 3. Sulphur-lime. Apple scab. Spray whom central flower of cluster is about to open.
(1) When flower buds ' New York apple canker.
are ready to open. _____ Prune brown rot and fruit mold. ___
(2) When ast blossoms 4. Lead arsenate, Codling moth. Use bordeaux nozzle with a crook and spray with force from a
are falling 1 lb. to 50 gal. raised platform directly into the flower. Repeat immediate-
B * " ly. If so applied, these sprayings are usually sufficient.
Keep a few trees banded. If many worms are trapped,
spray. Write for codling moth bulletin. ''- . "
Bud moth; twig borer. ....
Young caterpillars. ■
5. Sulphur-lime. Apple scab. ~ Omit if there is little scab.
1.5 degrees Beaume. New York apple canker.
SUMMER 6- Tobacco (or kero- Aphis (cherry aphis, etc.) .
win in en gene emuon Woolly aphis on branches.
When pest appears. Red spider. . ■ ■ - - ' ' - ' ■-"■•
Oyster shell bark louse. About June Ist for newly hatched young. - -
Leaf hopper. ZZZZZZZZZZZI Spray early before they acquire wings. -
f. Lead arsenate. Pear and cherry slug. Use 1 lb. to 75 gallons. Or dust with lime, ashes, or road dust
Caterpillars. Use 1 lb. to 40 gallons.
Colorado potato beetle. "
& Sulphur-lime. : Fruit spot (Baldwin spot; punk rot). Early in July. (Treatment in experimental stage). __
1.5 degrees Beaume. Mildew.
. Red Spider; young of oyster shell bark louse ' ■
■ ~ As a strong wash. Trunk borer; flat-head borer. Keep trunk coated all summer; best to add excess lime.
9. Bordeaux. Flea beetles. As a repellent.
Grasshoppers. _ ■ ■• * •
Potato blight. July 1-15; repeat in two weeks. If much blight near by, give
j ' third application two or three weeks later.
10 Pests controlled by other I Pear blight (fire-blight of pear or apple). 1 Prune out every sign of blight, cutting well below the disease.
' remedies than spraying. Swab every cut with corrosive sublimate (1 to 1000 of water).
Clean the tool often with carbolic acid or you will spread
the blight with each cut. - -
Western Tomato blight. ' " Set out strong plants close together or plant the seed thickly
in the rows. Give best of care, shade and plenty of water.
You will probably lessen the blight.
Potato scab. Soak seed for two hours in formalin, 1 lb. to 30 gallons water, •
n * * m »»>> then cut and plant. Do not plant in soil where scabby po
-14 tatoes were grown. '
THE RANCH is £lad to be I Smut of wheat and oats. " Spray the seed thoroughly with formalin, 1 lb. to 45 gallons
... . , ._ , I water. Cover and let lie in a pile two hours. Dry and
0 able to present to its readers O plant with clean seeder. • './.
1 th<=> valuable information On this ? Root maggot of radish, turnip, cabbage, etc. Spray soil with carbolated lime before maggots appear. Re-
I Hie vaiuaDie llllumiciuuH uu uiia j ss t>> peat often. Cultivate well after crop is removed. Place a
a page Cut OUt and preserve — a three-inch tarred paper collar on young cabbage plants. '
|it will be of value during the year. | cabbage worms. Pa^i > Ke^_ <St bran 3°partS" Mlxwe"' Dust the plant 9
*,__■« null? Climbing cutworms. Paris green 1 part, bran 30 parts. Make a mash by adding
1 """""""* Garden cutworms. water. Season with a little molasses, stale beer or salt.
Scatter by spoonfuls near butt not on trees or before plant
ing among plants.
Woolly aphis on roots. Expose the roots as much as practicable and spray with tobac
co, kerosene emulsion or sulphur-lime. Root treatment is
not completely reliable.
—— For nursery stock use 1 oz. cyanide to 100 To every ounce of pure potassium cyanide (poison) add 1%
cu> ft. * liquid ounces sulphuric acid diluted with 2% ounces water.
11. Fumigation for insects. For grafts and scions, use two-thirds oz. The gas generated is extremely poisonous. Fumigate 30 to
V^ I cyanide to 100 cv. ft. ' 45 minutes. ; ' |
HOW TO SPRAY— Spray thoroughly. Direct your attention to the hardest places to reach. Cover every surface. Wet behind the buds. Reach the bottom of every crack. Fill the lower'balyx cup. Do not
try to economize on spray. For all orchard spraying use a high-pressure pump (at least 200 lbs.) Use Bordeaux mixture only. Use an 8-foot spray rod. Have a crook to set the nozzle at an angle of
forty-five degrees. Spray from a tower if the trees are beyond your reach,
Sulphur-Lime Arsenate of Lead Tobacco
KKoneiimo-.-.V.:::::::: of Lead (poison).. ipound XS 0,1^ 68:::::::;:::::;:::]^
Water Water 50gallons Simmer for one hour and strain. Two pounds of tobacco
Slack the lime in the cooker. Add the sulphur and the water. ■_ n(l a,i, h.iohmi insets is is not necessary to use it may be substituted for the leaves. Black Leaf extract may be
Boil briskly till sulphur is dissolved (about 45 minutes), stir slro ne *v* £*ij first with a small amount of water Powder ÜBed 1 P art to 6, arts of water Use one part of Black Leaf
ring continuously and keeping the cooker covered. As it boils ■l r°?*"_ tp M o 7S£d about^ twfoe^f strone as the xmste Do not 40 to 60 parts of water
down keep adding water. When finished let settle. Use only i a s*"*L c e°lnat getues ou ckly g P A llttle soa P or & °l added to tobacco sprays greatly in
the clear liquid, which may bo stored if kept from the air. use arsenate that settles quicKiy. crease their value, and permits further dilution.
Pre Dared iii this way sulphur lime should have a hydrometer One pound of arsenate of lead may be added to every 50 gal- «* , , . ...
reading of about 26 degrees, but little weaker than the lons of sulphur lime (1.6 degrees) as a combination spray for Carbolated Lime
factory-made product. codling moth and apple scab. Lime 10 pounds
For use, any concentrated sulphur-lime may he diluted Water 50 gallons
according to the following table: Kerosene Emulsion Carbolic Acid , 1 pint or more
Hydrometer test of Concentrate To Make Dilute Spray Kerosene 2 gallons watSr'andc^rbSJuo^SiL 1 * ""^ Wttt6r> *** "" reßt ° the
—" ~~ " Beaume,3deg. Beaume,l.sdg. Whale Oil Soap impound Bordeaux
Beaume Specific Sp. gr. 1.02 Spur. 101 Water 1 gallon ouraeaux
Degrees Gravity lib sulphur in lib. sulphur Bluettone *pounds
I sgal. inlOgal. Dissolve the soap in the water by boiling, and add the suds Good Lime 4 pounds
-r 1.236 I Ito 14 water. 1 to2B boiling hot to the kerosene, away from the fire. The mixture Is Water i.-,- 1-1.- i ...50gallons
iz i 915 i 13 26 then agitated violently, preferable by pumping it back on itself Dissolve the bluestoue by suspending it in a sack in 25
f° 1 203 . 12 24 with a force pump. After four or five minutes the mixture sud- gallons of water in a barrel. Blake the lime in another ves
£ i.279 ll •_> denly becomes creamy in consistence. If well made, the cream sel, adding a little water slowly, and dilute to 25 gallon*.
oa 1*259 10 20 will stand for a long time without free oil rising to the surface. Mix the two thoroughly. Even the best bordeaux may scorch
.';, 1*.19G 9 18 Unless otherwise stated, use 1 gallon of the emulsion to 12 gal- in rainy weather. .... . , . _.
20 115 7 14 lons of water in spraying. One quart soft soap or one pound of For double strength bordeaux use twice as much blue
6 1*122 C 11 laundry soap may be used Instead ot the whale oil soap. stone mid lime.