Lubricating-Oil Emulsion as a Control for Chrysomphalus Aonidum in Greenhouses

Author: WEIGEL C. A.   BROADBENT MISS B. M.  

Publisher: Entomological Society of America

ISSN: 1938-291X

Source: Journal of Economic Entomology, Vol.17, Iss.3, 1924-06, pp. : 386-389

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