Technique for Demonstrating Phloem or Xylem Feeding by Leafhoppers (Homoptera: Cicadellidae) and Plant hoppers (Homoptera: Delphacidae) in Rice Plant

Authors: Khan, Z. R.; Saxena, R. C

Source: Journal of Economic Entomology, Volume 77, Number 2, April 1984 , pp. 550-552(3)

Publisher: Entomological Society of America

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Phloem or xylem feeding by leafhoppers and planthoppers on susceptible and resistant rice varieties was indicated by the difference in the color of their excreta on seedlings treated with safranine, a dye that is selectively translocated through roots into xylem vessels. Red honeydew of the green leafhopper Nephotettix virescens (Distant) on safranine-treated seedlings of the resistant ASD7 variety indicated that the insect sucked primarily from xylem vessels, whereas clear honeydew excreted on seedlings of the susceptible TN1 variety indicated phloem feeding. Plant hoppers Nilaparvata lugens (Stål) and Sogatella furcivera (Horv´th) were primarily phloem feeders.

Document Type: Research Article

Publication date: April 1, 1984

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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