- 460 - 
GILLETTE, C. P., and LIST, G..M. (1993) 
1915, INSECTS AND INSECTICIDES. Colo. Agr. Expt. Sta. Bull. 210: 1-5E 
illus. 
Tobacco dust is used against flea-"beetles and woolly aphids on 
the roots of apple trees (p. 49) . 
The tobacco extracts on the market include Black Leaf 40 and 
Nicofume, both of which contain about 40 percent of nicotine. Tobacco 
decoction is also briefly discussed (p. 49) . 
Tobacco extracts are recommended as remedies for the following 
insects: Apple leafhopper (p. 15), green apple aphid and rosy apple 
aphid (p. 16), clover mite (p. 17), red spider (p. 20), oyster-shell 
scale, scurvy scale, and woolly aphid (p. 23), green peach aphid, 
black peach aphid, green plum aphid, and pear slug (p. 28), currant 
plant louse (p. 33), cottony maple scale and elm scale (p. 37), other 
plant lice and sawfly (p. 40). 
LSFROY, K. M. (1994) 
1915. INSECTICIDES. Ann. Appl. Biol. 1(304): 230-298. [Abstract in 
Rev. Appl. Ent. (A) 3: 283-235. 1915.] 
From the literature the writer finds nicotine in general use 
as a panacea for all pests, as a stomach poison for caterpillars, as 
a contact poison for apple sucker, aphids, etc. One percent nicotine 
in water killed no mealworms dipped in it. "It would almost appear that 
most insects can only be reached with an insecticide through the 
spiracles • " 
GOSSARD, K. A., and GREEN, If. J. (1995) 
1915. SPRAYING PROGRAMS FOR THE SMALL HOME ORCHARD AND FRUIT-GARDEN. 
Ohio Agr. Expt. Sta. Monthly Bull . 1(4): 103-107. [Abstract in Rev. 
Appl. Ent. (A) 4: 364. 1916.] 
Eor cherry the third spray should be 3 lb. paste lead arsenate 
to 50 gal. water, plus nicotine sulphate (1:500) and 2 lb. soap applied 
just after the blossoms fall; and the fourth spray should be the same 
without the soap a week later. 
Gooseberry and currant bushes should receive as their third sprs 
bordeaux mixture 4-4-50, lead arsenate 3 lb. paste to 50 gal. and nicot 
sulphate (1:700) when the flowers are opening. 
SMITH, L. B. (1996) 
1916. RELATIONSHIP BETWEEN THE VETTING POTTER EFFICIENCY OF NICOTINE- 
SULPHATE AND FISH-OIL-SOAP SPRAYS . Jour. Agr. Research 7: 389-399, 
illus. [Abstract in Rev. Appl. Ent. (A) 5: 104-105. 1917.] 
