U.S. Qf/1. OtJkGBttDtfl 



APR 4 »]9i2 



CURRENT sesw Rf($ft0$ 



Use of Diseases To Kill Plant 



Insect Pests 



A Research Progress Report 



ARS 22-74 



Growth Through Agricultural Progress 



October 1961 



Agricultural Research Service 



UNITED STATES DEPARTMENT OF AGRICULTURE 



