- 555 - 
Aph is gossypii G-lov. is known to transmit the virus diser.se 
"yellow flat" of the Easter lily. Plants should be dusted during dry 
sunny weather with nicotine or sprayed with 40-porcont nicotine 
sulphate, at a dilution of about 3/4 pt. to 100 gal, with the addition 
of 3 - 5 lb. soap, or this solution '..'ithout soap in combination with 
boredaux mixture. 
GOAD, B. R. , SOLSOfc, J. 17., and GAINES, R. C (2359) 
1929. COTTON LOUSE CONTROL. U. S. Dept. Agr. Leaflet 53, 4 pp. , illus. 
[Abstract in Rev. Appl. Ent. (a) 17: 718. 1929.] 
Aphis gossypii Glov. or- cotton is controlled by dusting with 
nicotine sulphate. A home-me.de ball mill for mixing the dust is 
described. 
PLOTNIKOV, V. (2360) 
1929. CONTRIBUTION TO THE QUESTION ON TEE CONTROL 01 THE CEIEP PESTS 
01' COTTON. Khlopkovoe Lelo 8 (5-6): 579-584. [in Russian. Abstract 
in Rev. Appl. Ent. (*) 17: 631. 1929.] 
In order to prevent the migration of a phi s gossyuii from cu- 
curbits to cotton in autumn the former should be sprayed with soap 
solution or nicotine and soap, or preferably dusted with nicotine 
and freshly slaked lime. 
IOLS0L, J. w. , and BONDY, P. P. (2361) 
1930. 0»LCTUM aRSENaTE DUSTING ^S a CAUSE 01 APHID INFESTATION. U. S. 
Dept. Agr. Circ. 116, 12 p x j. 
On plot 3 one application of nicotine mixture (lime bo.se with 2.62 
percent nicotine ,' about 10 lb. per acre) wiped out the infestation of the 
cotton aphid (Aphis gossypii Glov.). The same kind of nicotine treatment 
also destroyed the aphids on plot 4. 
NOVITZKII (2362) 
1930. ON THE AUTUMN SPRAYING OP COTTON aGAINST THE COTTON APHIS. 
Khlopkovoe Delo 9 (7-8): 890-893. [Tashkent], [In Russian. Abstract 
in Rev. Appl. Ent. (A) 19; 306-307. 1931. J 
Soap spray (3 to 4 lb. soap to 12 gal. water 'is very effective) 
should be applied before the bolls have opened, and attention should be 
given to the possibility of controlling the aphid ( Aphis gossypii Glov.) 
by nicotine dusts. 
TZUIGANKCY, S. X. (23b3) 
1930. SOOTY MOULD CP COTTON AND ITS CONTROL. Khlopkovoe Delo 9 (9): 
1070-1078, illus. [Tashkent.] [In Russian. Abstract in Rev. Appl. 
Ent. (a) 19: lbO.' 1931.] 
