Estimation of malathion residues on paddy, husk and dehusked rice by bioassay using housefly, flour beetle and pulse beetle.

Qadri, S. S. H. (1971) Estimation of malathion residues on paddy, husk and dehusked rice by bioassay using housefly, flour beetle and pulse beetle. International Pest Control, 13 (1). pp. 16-19.

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Abstract

A premium grade malathion emulsifiable concentrate deposited on whole-grain 'paddy' (rough rice) at the rate of 10 p.p.m. in the laboratory in India was shown by bioassay with adults of Musca domestica nebulo F., Tribolium castaneum (Hbst.) and Callosobruchus chinensis (L.) to remain effective for weeks under storage conditions. The effectiveness of the deposit was assessed in terms of mortality rate. Chemical determination indicated that about 4.5 p.p.m. of the initial deposit remained after two weeks on rough rice, 2.7 on husk and 0.5 p.p.m. on dehusked rice grains under tropical conditions.

Item Type:	Article
Uncontrolled Keywords:	malathion-; determination-; cereal-grains; persistence-; pesticides-; agricultural-entomology; rice-
Subjects:	500 Natural Sciences and Mathematics > 04 Chemistry and Allied Sciences > 26 Pesticide Chemistry 600 Technology > 08 Food technology > 16 Nutritive value > 08 Grains
Divisions:	Food Protectants and Infestation Control
Depositing User:	Food Sci. & Technol. Information Services
Date Deposited:	19 Dec 2016 10:51
Last Modified:	19 Dec 2016 10:51
URI:	http://ir.cftri.res.in/id/eprint/8495

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