Full TGIF Record # 83815
Item 1 of 1
Author(s):Busey, Philip
Author Affiliation:Fort Lauderdale Research and Education Center, Institute of Food and Agricultural Sciences, University of Florida, Fort Lauderdale, Florida
Title:Inheritance of host adaptation in the southern chinch bug (Heteroptera: Lygaeidae)
Source:Annals of the Entomological Society of America. Vol. 83, No. 3, May 1990, p. 563-567.
# of Pages:5
Publishing Information:Columbus, Ohio
Keywords:TIC Keywords: Blissus insularis; Stenotaphrum secundatum; Cross breeding; Adaptation; Genes; Inheritance; Host plant resistance
Cultivar Names:Floratam
Abstract/Contents:"The southern chinch bug (Blissus insularis Barber) adapted to the resistant turf cultivar, `Floratam' St. Augustinegrass (Stenotaphrum secundatum (Walt.) Kuntze), within 12 yr after cultivar released. The inheritance of host adaptation was studied in a crossing experiment involving reciprocal F2 chinch bug crosses confined on `Floratam.' Interpopulation crosses (e.g., nonadapted x adapted) were intermediate in mean oviposition rate and longevity compared with parent populations. This proved that host adaptation was inherited and that different populations of southern chinch bug could readily interbreed. Intercrosses among regional sources of adapted chinch bugs were well adapted to the resistant cultivar, thus host adaptation was controlled by the same genes, or similar gene action in different sources. Host adaptation of chinch bugs was increased experimentally through selection on the resistant cultivar, as demonstrated by increased longevity on `Floratam' in the Fa generation from `Floratam'-exposed, surviving F2's, compared with naive, nonexposed progeny."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Busey, P. 1990. Inheritance of host adaptation in the southern chinch bug (Heteroptera: Lygaeidae). Ann. Entomol. Soc. Am. 83(3):p. 563-567.
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