The harmfulness of Aphis fabae Scop. feeding on the flowers of park rose (Rosa sp.)

Bożenna Jaśkiewicz

Abstract


The studies were conducted in the years 1999 - 2001 in the green area of the Lublin city in the street (A) and park (B) sites. The purpose of the studies was to determine the dynamics of the bean aphid population (Aphis fabae Scop.) and the effect of its feeding on the blooming of park roses (Rosa sp.). The presence of dwarf specimens of A. fabae was observed only on the crown petals and the sepals. Their feeding significantly affected the decorative character of roses, since the crown petals inhabited by them were faster to dry out and fall down. The presence of aphids on the shrubs was found throughout the period of about two months, and the aphids were more numerous in the street site.

Keywords


Aphis fabae Scop.; park rose; harmfulness

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DOI: https://doi.org/10.5586/aa.2006.055

Journal ISSN:
  • 2300-357X (online)
  • 0065-0951 (print; ceased since 2016)
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Publisher
Polish Botanical Society