Al-Azawi, A. F., and D. M. Norris. 1959. Experimental prevention of bark beetle transmission of Ceratocystis ulmi (Buis) Moreau with the systemic insecticide Chipman R-6199 . Journal of Economic Entomology 52:902-904.
Al-Azawi & Norris 1959
Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
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