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Insecticide screening trials against lucerne aphids, Therioaphis trifolii (Monell) and Acyrthosiphon kondoi Shinji (Hemiptera: Aphididae), in south-east Queensland

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Broadley, R.H., Rossiter, P.D., Brier, H., Butler, D.G. and Lloyd, R.J. (1980) Insecticide screening trials against lucerne aphids, Therioaphis trifolii (Monell) and Acyrthosiphon kondoi Shinji (Hemiptera: Aphididae), in south-east Queensland. Queensland Journal of Agricultural and Animal Sciences, 37 (2). pp. 109-120.

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Abstract

In 5 trials in Queensland in 1977, 16 insecticides were tested in sprays at 38 rates against Therioaphis trifolii (Monell) and Acyrthosiphon kondoi Shinji on lucerne. The minimum effective dosages (in g/ha) were 500 for acephate, 300 for BASF 6601 [of unstated composition], 250 for chlorpyrifos, 50 for demeton-S-methyl, 60 for dimethoate, 250 for endosulfan, 150 for formothion, 250 for methamidophos, 400 for methidathion, 250 for methomyl, 100 for monocrotophos, 200 for parathion, 50 for pirimicarb and 49 for thiometon. BASF 2001 [of unstated composition] at 120 g/ha provided moderate control while bioresmethrin at 100 g/ha was ineffective.

Item Type:Article
Corporate Creators:Department of Agriculture and Fisheries, Queensland
Keywords:control; insecticides; lucerne; chlorpyrifos; demeton-S-methyl; dimethoate; endosulfan; formothion; methamidophos; methidathion; methomyl; monocrotophos; parathion; pirimicarb; thiometon; bioresmethrin; acephate; chemical control; pest control; agricultural entomology Agricultural Entomology
Subjects:Plant culture > Field crops > Forage crops. Feed crops
Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Pesticides
Live Archive:30 Apr 2024 02:55
Last Modified:30 Apr 2024 02:55

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