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Seasonal abundance of insects occurring on Rumex confertus Willd., as an interesting approach to the use of biological control agents

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Piesik D.

Electronic Journal of Polish Agricultural Universities. Series Biology

2004

tom 07

nr 2

Field research was conducted to determine insects occurring on Rumex confertus Willd. The experiments were carried out in 1997, 1998, 1999 and additionally in 2001 from April to late September. The field trials were located in the natural habitat of R. confertus on meadows near Vistula river; in Bydgoszcz (53013'N, 18015'E) and Toruń (5302'N, 18061'E) vicinities. Mossy sorrel was injured by the following pests in order of feeding impact: Mamestra dissimilis Knoch., Rhinoncus pericarpius L., Phyllobius virideaeris Laich., and Phyllobius maculicornis Germ. The losses of R. confertus biomass were recorded throughout the whole growing season until the plants desiccating. Two generations of M. dissimilis in both locations were recorded. In case of R. pericarpius and Phyllobius spp. one generation was observed.

Ograniczanie wyników

1 Electronic Journal of Polish Agricultural Universities. Series Biology

1 Piesik D.

1 2004

Wyniki wyszukiwania

Seasonal abundance of insects occurring on Rumex confertus Willd., as an interesting approach to the use of biological control agents