Leaf Pubescence Effects in Wheat on Yellow Sugarcane Aphids and Greenbugs (Homoptera: Aphididae)
Authors: WEBSTER, J. A.; INAYATULLAH, C.; HAMISSOU, M.; MIRKES, K. A.
Source: Journal of Economic Entomology, Volume 87, Number 1, February 1994 , pp. 231-240(10)
Publisher: Entomological Society of America
Abstract:Observations during previous wheat germ plasm evaluation tests indicated that wheat lines with high levels of leaf pubescence are resistant to the yellow sugarcane aphid, Sipha flava (Forbes). Earlier work also suggested the same relationship for the green bug, Schizo phis germanium (Ronni), but the evidence was not as strong. This research studied the effects of leaf pubescence on the two aphid species in greater detail. Trix home length and density measurements were made on second and third leaves from seedlings of six pubescent wheat entries and two nearly glabrous wheat cultivars. Yellow sugarcane aphid and greenbug antibiosis and antixenosis tests were conducted using standard methods for the antibiosis test and new techniques for the antixenosis test. The results showed that leaf surface pubescence is of questionable value in a greenbug; plant resistance program, but it is an effective resistance mechanism against the yellow sugarcane aphid.
Document Type: Research Article
Publication date: February 1994
- 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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