Insecticides for control of Heliothis in cotton
Cotton, Helicoverpa armigera, Insect control, Insecticides, Ord River region (W.A.), Western Australia
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Since 1970, Heliothis armigera has shown resistance to both DDT and Toxaphene, but not to the organophosphates, which include Parathion. DDT, the cheapest and most effective chemical available, gave control of Heliothis until the development of resistance in 1970- 71.
Trials then showed that a mixture of DDT and Toxaphene was more effective than DDT alone.
Found in previous article. Biological control of Heliothis in sorghum P J. Michael Vol 14 No 3 Page No 223-225
Michael, P J.
"Insecticides for control of Heliothis in cotton,"
Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 14:
3, Article 8.
Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol14/iss3/8