Changes in the Insecticidal Value of the Roots of Cultivated Devil's Shoestring, Tephrosia virginiana, at Four Seasonal Growth Periods

Abstract

American Journal of BotanyVolume 27, Issue 5 p. 284-289 Article CHANGES IN THE INSECTICIDAL VALUE OF THE ROOTS OF CULTIVATED DEVIL'S SHOESTRING, TEPHROSIA VIRGINIANA, AT FOUR SEASONAL GROWTH PERIODS A. F. Sievers, A. F. Sievers Bureau of Plant Industry and Bureau of Entomology and Plant Quarantine, U. S. Department of Agriculture, Washington, D. C.Search for more papers by this authorM. S. Lowman, M. S. Lowman Bureau of Plant Industry and Bureau of Entomology and Plant Quarantine, U. S. Department of Agriculture, Washington, D. C.Search for more papers by this authorG. A. Russell, G. A. Russell Bureau of Plant Industry and Bureau of Entomology and Plant Quarantine, U. S. Department of Agriculture, Washington, D. C.Search for more papers by this authorW. N. Sullivan, W. N. Sullivan Bureau of Plant Industry and Bureau of Entomology and Plant Quarantine, U. S. Department of Agriculture, Washington, D. C.Search for more papers by this author A. F. Sievers, A. F. Sievers Bureau of Plant Industry and Bureau of Entomology and Plant Quarantine, U. S. Department of Agriculture, Washington, D. C.Search for more papers by this authorM. S. Lowman, M. S. Lowman Bureau of Plant Industry and Bureau of Entomology and Plant Quarantine, U. S. Department of Agriculture, Washington, D. C.Search for more papers by this authorG. A. Russell, G. A. Russell Bureau of Plant Industry and Bureau of Entomology and Plant Quarantine, U. S. Department of Agriculture, Washington, D. C.Search for more papers by this authorW. N. Sullivan, W. N. Sullivan Bureau of Plant Industry and Bureau of Entomology and Plant Quarantine, U. S. Department of Agriculture, Washington, D. C.Search for more papers by this author First published: 01 May 1940 https://doi.org/10.1002/j.1537-2197.1940.tb14684.xCitations: 1AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinkedInRedditWechat Citing Literature Volume27, Issue5May 1940Pages 284-289 RelatedInformation