Eur. J. Entomol. 96 (1): 73-75, 1999

Pattern of cell punctures by the aphid Sitobion fragariae (Sternorrhyncha: Aphididae) and cell arrangement in the leaf tissues of wheat, Triticum aestivum

RAMIREZ C.C., OLEA N., NIEMEYER H.M.
N/A

The pattern of cell punctures in the electrical penetration graph was studied from the start of a probe leading to the first phloem phase by the aphid Sitobion fragarine (Walker) (Sternorrhyncha: Aphididae) on two cultivars of the wheat, Triticum aestivum L., differing in hydroxamic acid concentration. In addition, the spatial arrangement of cells in the leaf of the host plant was histologically observed and the number of cells between the epidermis and phloem counted. The results suggest a feeding deterrent effect of hydroxamic acids and a constant styler puncturing activity into plant cells.

Keywords: Aphididae, Sitobion fragariae, cell punctures, EPG, leaf tissue, wheat

Accepted: October 21, 1998; Published: April 15, 1999  Show citation

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RAMIREZ, C.C., OLEA, N., & NIEMEYER, H.M. (1999). Pattern of cell punctures by the aphid Sitobion fragariae (Sternorrhyncha: Aphididae) and cell arrangement in the leaf tissues of wheat, Triticum aestivum. EJE, 96(1), 73-75
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