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- Title
SURFACE WAXES AS A PLANT DEFENSE BARRIER TOWARDS GRAIN APHID.
- Authors
WÓJCICKA, AGNIESZKA
- Abstract
The electrical penetration graph (EPG) method was used to quantify the effect of surface waxes on probing behaviour of the grain aphid Sitobion avenae F. (Hemiptera: Aphididae). The experiments showed that wax removal significantly affected probing behaviour of S. avenae. Generally, the aphids feeding on the plants without wax had a shortened non-probing (EPG-pattern np) and prolonged penetration of peripheral tissues -- epidermis and mesophyll (EPG-pattern C). The EPG tests also showed that the three tested extracts of surface waxes from waxy plants RAH 122 were active as aphicides against the grain aphid.
- Subjects
MESOPHYLL tissue; EPIDERMIS; TRITICALE; WAX plants; TISSUE analysis
- Publication
Acta Biologica Cracoviensia Series Botanica, 2015, Vol 57, Issue 1, p95
- ISSN
0001-5296
- Publication type
Article
- DOI
10.1515/abcsb-2015-0012