Thrips (Thysanoptera) occurring in spring triticale intercrpped with yellow lupine
2004
Hurej, M., E-mail: [email protected] | Twardowski, J. (Akademia Rolnicza, Wroclaw (Poland). Katedra Ochrony Roslin)
The research carried out at the Agricultural Experimental Station of the Agricultural University in Wroclaw in 2001-03 investigated the effect of intercropping spring triticale with yellow lupine on the species composition and abundance of thrips feeding on triticale. During three years of study the greatest number of thrips in cereal ears collected at milk stage was found in the plants grown with the lowest share of triticale and the highest - of lupin. Eleven species of Thysanoptera were identified. The most numerous were Haplothrips aculeatus and Limothrips cerealium. In the seasonal population dynamics one (2002) or two (2001, 2003) periods of a higher occurrence of thrips were recorded. The first one over the ear formation of triticale (lower) and the second one - over plant ripening (higher). There was no clear effect of spring triticale intercropped with yellow lupine on the abundance of thrips feeding on triticale, however there is a tendency of a growing abundance of thrips in triticale intercropped, as compared with its pure stand
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