Effect of Steam Distillate Extracts of Resistant and Susceptible Rice Cultivars on Behavior of Sogatella furcifera (Homoptera: Delphacidae)

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Rice plant volatiles extracted as steam distillates significantly affected the behavior of Sogatella furcifera (Horvath). Odors of extracts of susceptible 'Taichung Native 1' ('TN1') and moderately susceptible 'Podiwi A8' rice attracted S. furcifera females, whereas the odor of highly resistant 'IR2035-117-3' plants repelled them. The odor of moderately resistant 'N22' extract neither attracted nor repelled the insect. 'IR2035-117-3' extract was more toxic to first in stars and newly emerged females than extract of susceptible 'TN1' plants. Ingestion and assimilation of food by females were reduced on 'TN1' plants treated with 'IR20S5-117-3' or 'Podiwi A8' extract compared with that on plants treated with acetone or 'TN1' extract. Electronically recorded waveforms indicated reduced S. furcifera feeding on 'IR2035-117-3' extract-treated 'TN1' plants. However, application of 'TN1' extract on resistant 'IR2035-117-3' plants did not increase feeding or assimilation. Intake of a 10% sucrose solution, offered in para film sachets, was not affected by addition of extract of susceptible or resistant plants. Reproductively mature females treated topically with 'IR2035-117-3' extract (1g extract per female) stopped emitting mating signals and failed to mate with normal, responsive males.

Document Type: Research Article

Publication date: August 1, 1986

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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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