- 157 - 
Good results against thrips (F rankliniella morrilli Morg.) 
on apricots were obtained by spraying with "a nicotine soap solution 
under a pressure of at least 150 lbs. Termites ( Amitermes tubiformans 
Buckley) damaging citrus were successfully controlled by scooping out 
a ba.sin round the base of each tree and pouring into it l/2 pt . Black 
Leaf 40 diluted 1 to 500. 
FULLER, C (1980) 
1924. T7HITS ANT EXPERIMENTS: TESTS OF THE RSSISTANCY OF TIMBERS. 
Union of So. Africa Dept . Agr. Ent. Mem. No. 2, pp. 81-104, illus. 
Tobacco extract was found unsatisfactory for impregnating 
timber in South Africa for the purpose of preventing termite attacks 
(p. 102). 
BHASIN, H. D. (1981) 
1926. ANNUAL REPORT OF THE ENTOMOLOGIST TO GOVERNMENT, PUNJAB, 
LYALLPUR, FOR THE YEAR 1924-1925. Rept. Operations Dept. Agr. 
Punjab 1925 I, Part II, pp. 69-121. [Abstract in Chem. Abs. 21: 
2754. 1927.] 
Extracts of tobacco were slightly repellent to white ants. 
3. Species of Insects not Named, 1903-1934 
BINNSNTHAL, F. R. von. (1982) 
1903. DIE ROSSNSCKADLINGS AUS DEM TIERREICHE, DEREN TCIRKSAME AB17EHR 
UND BEKAMP FUNG . Stuttgart, 392 pp., illus. 
The author quotes the formula recommended by the Central 
Horticultural Society of the lower Seine, as follows: 50 g. hepar 
sulfuris, 100 g. soft soap, 200 g. tobacco extract, 250 g. methyl 
alcohol, and 10 1. water (p. 52). This sulphur mixture is meant 
particularly for mites, red spider, and coccids, and it is to be 
applied with a brush. 
Nessler' s solution, which is meant for any insect infesting 
rose bushes, consists of 6 kg. tobacco extract, 4 kg. soft soap, 
5 1. wood alcohol, 20 1. alcohol, and 100 1. water (p. 38). 
Roses infested with aphids may be sprayed with 1 to 1.5 1. 
tobacco extract to 100 1. water. If the aphids are covered with a 
waxy exudation, soap should be added (p. 38). 
STORMER, K. (1983) 
1903. DIE DUFOURSCHE LOSUNG UND IHRE ANT7ENDBARKHEIT ZUR BEK.XMPFUNG 
VON PFLANZENSCHADLINGSN. prakt . Blatter fur Pflanzenbau und 
Pflanzenschutz 1: 133-145. 1903. 
