Calag Archive
Calag Archive
Soft brown scale on citrus: Abnormal increase of scale population in groves treated with parathion investigated in survey
Publication Information
California Agriculture 6(1):10-13.
Published January 01, 1952
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Abstract
Not all commercial groves treated with parathion develop abnormally high populations of soft brown scale but where populations do increase they usually are extensive and have definite characteristics in comparison to populations found in groves not treated with parathion.