150 DECIDUOUS FRUIT INSECTS AND INSECTICIDES. 
Plat 6, resin-soda wash.—The following formula was used: 
L541 Ryd SS Ae a fer eit ie ered Aaga uP pounds.. 10 
CHNAbIC SOGA. a. bool eb te se ieee. aioe ieee oan ee G6, unre 
iS OTL oooh oak ac aia 3 6 oo te opel ora Se Seger Ni accta am le ege) Halas tena ta Sree dos...) Te 
Ti eg a an Pa Sgt ot Ue Cd LP gallons.. 50 
The resin was broken into small lumps and together with the caustic 
soda placed in a kettle with 10 gallons of water. The mixture was 
then boiled for about half an hour, and while boiling 14 pounds of fish 
oil were added; it was then poured into the tank and diluted with 
sufficient water to make 50 gallons of the wash. 
Plat 7, commercial lime-sulphur solution (1-8).—Six and one-fourth 
gallons of the concentrated lime-sulphur solution and 433 gallons of 
water were used to make 50 gallons of spray. 
Plat 8, borax.—Ten pounds of borax were used in 50 gallons of water. 
Plat 9.—¥or purposes of comparison this plat was left unsprayed. 
The respective treatments and results of same are shown in the 
following table: 
TABLE I.—Results of spraying for the European fruit Lecanium, San Jose, Cal., 1909. 
: 3 First examina- | Second examina- 
3 > | tion, Feb. 22, 1909.| tion, Mar. 6, 1909. 
& | é 
Plat i Bl sce dh hc clh el eS eal ee 
n S| 2 CAV Te |f G8 
SAL Treatment. B — esis © of Ss c 2% 
= re Ae | eer) i eel ach || APS 
© 9g [/oa/ug7% | oa | os | 4 
2 | 28 | .2o | so |S ao | 90 
g | )g8/5°|82/58/8°| 23 
A Any | a) Os Kani a 
ial Distilate-oiliemulsion= a. se). ereceeae cei Feb. 18 14} 305] 304 99 | 926] 896 96 
2 | Distillate-oil emulsion and caustic soda...|...do.... 14} 428] 426 99 | 647 | 640 97 
3 | Distillate-oil emulsion, mechanical mix- 
EUIBS HN, AES es MASE SRS RS hs do 14] 467 | 465 99 | 216] 118 54 
4) |LCaustie soda) 2s ees - Sse teceecme cee ease do 14} 100 98 98 | 194] 179 92 
5 €rude-ollemulsion® )sseceeeenne sense cee do 14 90 90} 100] 122 78 64 
Gul PeReSin nwaShione thee Un seen Saeed ane Ae do 14| 180; 180); 100 30 21 70 
7 | Commercial lime-sulphur wash No. 1..... do 14} 400] 400] 100} 252 17 7 
8 GTA CRUE RE Aa tee Ih eee sere eae do 14] 200] 200] 100 64 28 44 
Out Cheeks 45 Aaa yes Se ESS SE SE ER do 14] 325 14 4] 739 71 9 
Third examina- 
tion, Mar. 26, 1909. 
Plat @ , & ‘ ._| Fourth examinaton, Fifth examination, 
No Treatment. S213 | of July 1, 1909. Dee. 13, 1909. 
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1 | Distillate-oil emulsion. ......- 290 | 290) 100 | Scales all dead; lichens | Scales all dead; lichens 
dead. dead. 
2 | Distillate-oil emulsion and | 234] 234] 100 |..... Colo lae Cee te eee ee Do. 
caustic soda. 
3 | Distillate-oil emulsion, me- | 219] 219] 100 ]..... doe te eels Do. 
chanical mixture. 
Anii@anshicysodat Sen thei wok 65 61 co) i ee 3 (6 (oye oh mes es ee ee rer Do. 
5 | Crude-oil emulsion.........-- 94 94)\eat OO ese GOs Eee series Do. 
Guiesiniewasine cri We cu ks oe 65 54 83 | A few live scales... .... Do. 
7 | Commercial lime-sulphur | 248 44 15} A number of live} A number of live 
wash No. 1. scales; lichens dead. scales; lichens dead. 
(3) | JE CHER gadiseidnbrciidle Asda 107 31 20) Went On erste eacin eae Do. ‘ 
3h | Py GY oe) Sat Riiare ee Rau ee epee ey 142 24 17 | Scales nearly all alive; | Scales nearly all alive; 
lichens flourishing. lichens flourishing. 
