Effect of Molasses as a Spray Additive for Control of the Bollworm1 and Tobacco Budworm1,2

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Blackstrap molasses was used as an additive with methyl parathion, a mixture of StrobaneĀ® (terpene polychorinates (65% chlorine)) and monocrotophos, and a mixture of Strobane, DDT, and methyl parathion in 5 field and laboratory tests against the bollworm, Heliothis zea (Boddie) , and the tobacco budworm, H. virescens (F.).

Addition of molasses to a toxicant produced a significant difference in control only 1 time in 8 comparisons made in 5 field tests and 1 laboratory test. Seven times out of 8 the differences among treatments were too small to be significant, although numerical differences favored molasses in each case. The 1 test where the molasses treatment was significantly better than the toxicant used alone was in a field test against a heavy infestation. The residual activity of methyl parathion was markedly extended with the addition of molasses in the laboratory test.

One gallon of molasses was superior to 1/2 gallon per acre. The phytotoxicity of methyl parathion was reduced in I field test with addition of molasses.

Document Type: Research Article

Publication date: June 1, 1970

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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