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- W2186641200 abstract "Eight varieties (Bashful, Double Quick Orange, Pro Cut Bicolor, Pro Cut Lemon, Sundance Kid, Sunrich Lemon, Teddy Bear and Zebulon) of sunflower, Helianthus annuus L. (Asterales: Asteraceae), were evaluated for attractiveness to predators, mostly the minute pirate bug, Orius insidiosus (Say) (Hemiptera: Anthocoridae). In general, sunflower varieties bearing pollen were more attractive to both pests and predators. No other plant parameter (i.e., flower diameter, center diameter and plant height) measured affected insect densities. The variety Double Quick Orange was found to harbor the highest densities of Orius , but also the highest densities of thrips (Thysanoptera: Thripidae), mostly Frankliniella tritici (Fitch). Insect populations were monitored in bell pepper, Capsicum annuum L. (Solanales: Solanaceae) (var. Camelot) intercropped with Double Quick Orange, sunflower border and bell pepper monoculture. Densities of Orius and thrips were highest on the sunflower border, followed by the pepper monoculture and the bell pepper intercropped with sunflower. Over both seasons (2005 and 2006), the population of adult Orius sampled was comprised of 75.3% female and 24.8% male. About 55% of Orius sampled were nymphs. The thrips population was comprised of F. tritici (98.2%), with the remainder being F. occidentalis Pergande at 1.4%, and F. bispinosa (Morgan) at 0.4%. Most thrips sampled (58%) were in the immature stages. The sunflower variety most attractive to Orius was also most attractive to thrips. When intercropped with bell peppers, Orius remained in the sunflower which acted as a sink for both pests and predators. Sunflower may be more useful as a trap crop, rather than a source of predators, when used in multiple cropping systems. This article presents the results of research only. The use of trade, firm, or corporation names in this publication is for the information and convenience of the reader. Such use does not constitute an official endorsement or approval by the United States Department of Agriculture or the Agricultural Research Service of any product or service to the exclusion of others that may be suitable." @default.
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- W2186641200 date "2008-01-01" @default.
- W2186641200 modified "2023-09-27" @default.
- W2186641200 title "Intercropping Sunflower Varieties with Bell Pepper: Effect on Populations of Orius insidiosus (Hemiptera: Anthocoridae) and Thrips" @default.
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