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Assessment of Pristhesancus plagipennis (Walker) (Hemiptera: Reduviidae) as an augmented biological control in cotton and soybean crops

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Grundy, P. R. and Maelzer, D. (2000) Assessment of Pristhesancus plagipennis (Walker) (Hemiptera: Reduviidae) as an augmented biological control in cotton and soybean crops. Australian Journal of Entomology, 39 (4). pp. 305-309. ISSN 1326-6756

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Article Link: https://doi.org/10.1046/j.1440-6055.2000.00182.x

Abstract

Third-instar nymphs of the Australian assassin bug, Pristhesancus plagipennis (Walker) were released into cotton and soybean plots at a number of release densities to test their biological control potential. The number of Helicoverpa spp. larvae in cotton was reduced with the release of three or more P. plagipennis nymphs per m crop row. In the soybeans, populations of green mirids, Creontiades dilutus (Stål), and looper caterpillars, Chrysodeixis spp., were significantly reduced when P. plagipennis were released at 2 nymphs per m crop row. The potential yield of cotton (but not soybean) was increased in the plots to which P. plagipennis were added. The data suggest that P. plagipennis has the capacity to be an effective biological control agent of soybean and cotton insect pests when released inundatively.

Item Type:Article
Business groups:Crop and Food Science
Subjects:Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Organic plant protection. Biological control
Animal culture > Insect culture and beneficial insects
Live Archive:04 Jan 2024 22:56
Last Modified:20 Jun 2024 03:12

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