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Effect of Insecticides on Sweetpotato Whitefly Numbers and Growth of BroccoliRethwisch, Michael D., McDaniel, Charles W., Shaw, Mary, Theissen, James 12 1900 (has links)
Eleven treatments were applied for sweetpotato whitefly B- biotype control. Best control (62.4%) was evidenced by the Ambush + Thiodan treatment, which had fewest nymph numbers 8 days post treatment and had larger plant sizes (46.3%) 14 days post treatment than the untreated check. Plants in plots receiving treatments including Thiodan and/or Lorsban were also at least 20% larger than the untreated check. Fewest number of adult whiteflies two days post treatments were noted in the Thiodan + M-Pede treatment. Certain treatments increased whitefly numbers.
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Evaluation of Imidacloprid (NTN 33893) for Control of Aphids on BroccoliPalumbo, J. C., Mullis, C. H. Jr., Reyes, F. J. 12 1900 (has links)
The new insecticide Imidacloprid (NTN 33893), which is currently being developed for use on vegetable crops, was evaluated on broccoli for control of aphid species. Studies conducted in the spring of 1991 showed that this material applied postemergence as a granular formulation was extremely effective in preventing aphid colonization throughout the season. Aphid control and broccoli yields were significantly greater in plots treated with Imidacloprid. Due to low numbers of aphids in 1992, we were unable to detect differences in aphid numbers between Imidacloprid treatments and the untreated control.
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Comparison of Capture, Capture and Thiodan, Malathion and Pounce Insecticides for Control of Two Aphid Species on Broccoli SeedRethwisch, Michael D., McDaniel, Charles W., Major, Gary 12 1900 (has links)
No description available.
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