The Pyrethrin I Content of Pyrethrum Powders as an Index of Insecticidal Power

Author： RICHARDSON HENRY H.  

Publisher： Entomological Society of America

ISSN： 1938-291X

Source： Journal of Economic Entomology, Vol.24, Iss.5, 1931-10, pp. : 1098-1107

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

Previous Menu Next

Related content

Pyrethrin Content of Pyrethrum Flowers From Various Sources

By HOYER DAVID G.   LEONARD M. D.  

Journal of Economic Entomology, Vol. 29, Iss. 3, 1936-06 ,pp. : 605-606

Entomological Society of America

Access to resources Recommend Favorite

An Insecticidal Method for the Estimation of Kerosene Extracts of Pyrethrum

By RICHARDSON HENRY H.  

Journal of Economic Entomology, Vol. 24, Iss. 1, 1931-02 ,pp. : 97-105

Entomological Society of America

Access to resources Recommend Favorite

Extractive Efficiency of Kerosene on Pyrethrum Powders of Varying Fineness

By RICHARDSON HENRY H.  

Journal of Economic Entomology, Vol. 26, Iss. 1, 1933-02 ,pp. : 252-259

Entomological Society of America

Access to resources Recommend Favorite

Effect of Sesamin and Related Compounds on the Insecticidal Action of Pyrethrum on Houseflies

By HALLER H. L.   LAFORGE F. B.   SULLIVAN W. N.  

Journal of Economic Entomology, Vol. 35, Iss. 2, 1942-04 ,pp. : 247-248

Entomological Society of America

Access to resources Recommend Favorite

O-Demethyl Pyrethrin II Analogs from Oxidation of Pyrethrin I, Allethrin, Dimethrin, and Phthalthrin by a House Fly Enzyme System

By YAMAMOTO IZURU   CASIDA JOHN E.  

Journal of Economic Entomology, Vol. 59, Iss. 6, 1966-12 ,pp. : 1542-1543

Entomological Society of America

Access to resources Recommend Favorite