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The soybean aphid, Aphis glycines Matsumura, is a pest of cultivated soybean, Glycine max (L.) Merr., in North America. Recent developments in host plant resistance studies have identified at least four soybean aphid resistance genes (Rag1-4) and two soybean aphid biotypes (biotype 1 and 2), defined by differential survivability on resistant soybean.(More)
Bahiagrass (Paspalum notatum Flugge) is a warm season, low-input, perennial turfgrass used for residential lawns and sides of road ways. The turf quality of bahiagrass is limited by its open growth habit, light green color, and prolific production of tall seedheads. Genetic improvement of the tetraploid bahiagrass turf cultivar ‘Argentine’ by conventional(More)
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