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THE PRACTICAL CONTROL OF WIREWORM BY γ‐BENZENE HEXACHLORIDE (‘GAMMEXANE’): COMPARISONS WITH DICHLORODIPHENYLTRICHLORETHANE (D.D.T.)
Author(s) -
JAMESON H. R.,
THOMAS F. J. D.,
WOODWARD R. C.
Publication year - 1947
Publication title -
annals of applied biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 80
eISSN - 1744-7348
pISSN - 0003-4746
DOI - 10.1111/j.1744-7348.1947.tb06369.x
Subject(s) - acre , biology , yield (engineering) , toxicology , population , agronomy , demography , materials science , sociology , metallurgy
Benzene hexachloride containing 13% of the insecticidally active gamma isomer known as ‘Gammexane’ has been used successfully in a considerable number of field trials in the control of wireworm. On heavily infested land the effective dosage rates associated with an appreciable reduction in wireworm population, and giving a marked improvement in plant establishment and substantial increases in yield, range between 1 and 6 lb./acre (2–12 oz./acre of Gammexane), on oats and wheat. The effective dosage rates vary and depend upon whether the insecticide is combine‐drilled, broadcast, or applied as a seed dressing. Although D.D.T. applied by similar methods was associated with similar reductions in wireworm population, the use of this insecticide resulted in smaller yield increases.