Influence of parasitisation on cereal aphids (Sternorrhyncha: Aphidoidea) in various field management

Ján Praslička and Timotej Miština
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Ján Praslička: Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, Nitra, Slovak Republic
Timotej Miština: Faculty of Natural Sciences, Constantine the Philosopher University in Nitra, Nitra, Slovak Republic

Plant Protection Science, 2004, vol. 40, issue 2, 49-53

Abstract: The level of parasitism of cereal aphids on winter wheat at growth stage 69 DC (end of bloom) differed between two field management used (integrated and ecological) and between individual years of the experiment (1999-2001). Parasitism was always higher in the ecological field management. The average number of parasitised aphids per tiller was 1.84 in the integrated field management but 2.63 in the ecological field management. The average rate of aphid parasitisation was 8.31% in the integrated system, but 16.15% in the ecological field management and thus 94.33% higher.

Keywords: parasitoids; cereal aphids; winter wheat (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:40:y:2004:i:2:id:460-pps

DOI: 10.17221/460-PPS

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