Title: Preliminary tests of plant materials as insecticides
Description: <a href="uf.jsp?st=UF005563819&ix=pm&I=0&V=D&pm=1" rel="nofollow">uf.jsp?st=UF005563819&ix=pm&I=0&V=D&pm=1</a>
Subjects: Biological insecticides--Testing, Insect pests.