Electronic Journal of Polish Agricultural Universities (EJPAU) founded by all Polish Agriculture Universities presents original papers and review articles relevant to all aspects of agricultural sciences. It is target for persons working both in science and industry,regulatory agencies or teaching in agricultural sector. Covered by IFIS Publishing (Food Science and Technology Abstracts), ELSEVIER Science - Food Science and Technology Program, CAS USA (Chemical Abstracts), CABI Publishing UK and ALPSP (Association of Learned and Professional Society Publisher - full membership). Presented in the Master List of Thomson ISI.

Copyright © Wydawnictwo Akademii Rolniczej we Wroclawiu, ISSN 1505-0297

Jaśkiewicz B. 2003. THE OCCURRENCE OF APHIDS AND THEIR NATURAL ENEMIES ON JUNIPER SHRUBS IN THE AREA OF LUBLIN, EJPAU 6(1), #04.
Available Online: http://www.ejpau.media.pl/volume6/issue1/horticulture/abs-04.html

ABSTRACT

The subject of the studies conducted in the years 1999-2001 was the occurrence of aphids and their natural enemies on the shrubs of common and Pfitzer juniper. Observations were carried out in the green areas of the city in a street (A) and a park (B) sites. The studies established the presence of one aphid species of Cinara juniperi De Geer. Aphids occurred in the largest numbers on common juniper shrubs in 2001, and on Pfitzer juniper in 2000. It was also observed that on both species of juniper the population of aphids was bigger in site A than in site B.

Key words: Cinara juniperi De Geer, Juniperus communis L., Juniperus × pfitzeriana (L. Späth) P. A. Schmidt, city green areas, natural enemies.

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