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The Effect of Parathion Dusts on Eurygaster integriceps Put. (Hem.)

Published online by Cambridge University Press:  10 July 2009

A. S. Talhouk
A. S. Talhouk
Affiliation:
Section of Entomological Research, Ministry of Agriculture, Ministry of Agriculture, Damascus.
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Extract

Eurygaster integriceps is a serious pest of wheat in Syria against which various methods of control have been tried.

Laboratory tests with a 0·8 per cent. parathion dust applied at the rate of 0·1 mg./sq. cm. are described.

Three sets of field experiments were carried out with 0·75 per cent. and 0·8 per cent. parathion dust. Applied at a rate of 75 kg. /ha. these were very efficient but not economical. Applications of 0·8 per cent. dust with a knapsack duster at between 15 and 17·5 kg. /ha. gave about a 20 per cent. reduction in the infestation. A larger experiment in which 0·75 per cent. dust at a rate of 48 kg. /ha. was applied to a hectare of wheat, by means of a 6 h.p. duster mounted on a Jeep fitted with a drag sheet, gave a 70 per cent. control.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 42 , Issue 2 , September 1951 , pp. 375 - 377
Copyright
Copyright © Cambridge University Press 1951

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References

Achard, E., & Adle, A. H. (1927). Le “Souné ”ou “ Sen ” (Eurygaster integriceps) et ses dégâts en Syrie et en Perse.—Conf. in Blé, 1927, 46 pp. Rome, Inst. int. Agric. (R.A.E., (A) 16, pp. 186–187.)Google Scholar
Arnoldi, K. V. (1943). On the conditions and phases of the spring transition of Eurygaster integriceps to active life as observed in south-west Uzbekistan.—C.R. Acad. Sci. URSS, (N.S.) 40, pp. 35–37. (R.A.E., (A) 33, p. 159.)Google Scholar
Starostin, S. (1944). Control of Eurygaster integriceps Put. by aircraft. [In Russian.]—Proc. Lenin Acad. agric. Sci. USSR, 9, pp. 25–27. (R.A.E., (A) 33, pp. 303–304.)Google Scholar