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Several introduced clones of St. Augustine grass, Stenotaphrum secunda tum (Walt.) Kuntze and S. dimidiatum (L.) Brongn., from the Republic of South Africa, Tanzania, Zimbabwe,and Malagasy Republic exhibited high levels of resistance (antibiosis > 'Floratam', a resistant cultivar) to the southern chinch bug, Blissus insularis Barber. Resistance of 37 Stenotaphrum clones was evaluated on the basis of mortality of field-collected adult clinch bugs confined for 7 days with grass stolon terminals in plastic bags. Only polyploid St. Augustnegrasses were antibIOtic to B. insularis. Resistance was found in both Old and New World clones, but not all polyploid St. Augustine grass clones were resistant to the southern chinch bug.
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.