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Published in Agron J 91:787-795 (1999)
© 1999 American Society of Agronomy
677 S. Segoe Rd., Madison, WI 53711 USA
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Response of Selected and Unselected Bahiagrass Populations to Defoliation

Roger N. Gatesa, Gary M. Hilla and Glenn W. Burtona

a Dep. of Crop and Soil Sciences, Univ. of Georgia, Coastal Plain Exp. Stn., Tifton, GA 31793 USA



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Fig. 1 Yield of three bahiagrass entries harvested biweekly during three growing seasons at Tifton, GA. Stars and solid line, Pensacola; diamonds and long dashes, Tifton 9; circles and short dashes, RRPS (recurrent restricted phenotypic selection) Cycle 14

 


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Fig. 2 Monthly cumulative departure from normal precipitation during three growing seasons at Tifton, GA

 


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Fig. 3 Interaction among year, cutting interval, and cutting height on mean total dry matter yield of three bahiagrass entries harvested during three growing seasons at Tifton, GA

 


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Fig. 4 Interaction among year, regrowth interval, and bahiagrass entry on total dry matter yield averaged across clipping heights during three growing seasons at Tifton, GA. RRPS, recurrent restricted phenotypic selection

 


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Fig. 5 Interaction among year, cutting height, and bahiagrass entry on total dry matter yield averaged across regrowth interval during three growing seasons at Tifton, GA. RRPS, recurrent restricted phenotypic selection

 


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Fig. 6 Influence of regrowth interval (2, 4, or 8 wk) on distribution of dry matter among canopy strata of three bahiagrass entries harvested for 3 yr and averaged across two cutting heights at Tifton, GA. RRPS, recurrent restricted phenotypic selection

 


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Fig. 7 Influence of cutting height (low = 15 mm; high = 100 mm) on distribution of dry matter among canopy strata of three bahiagrass entries harvested for 3 yr and averaged across three regrowth intervals at Tifton, GA

 


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Fig. 8 Herbage mass of standing forage in pastures planted with Pensacola, Tifton 9 or RRPS (recurrent restricted phenotypic selection) Cycle 14 bahiagrass and continuously grazed by yearling heifers during two growing seasons near Alapaha, GA

 


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Fig. 9 Botanical composition (foliar cover) of pastures planted with Pensacola, Tifton 9 or RRPS Cycle 14 bahiagrass and continuously grazed by yearling heifers during the 1990 and 1991 growing seasons near Alapaha, GA

 





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The SCI Journals Crop Science Vadose Zone Journal
Journal of Natural Resources
and Life Sciences Education
Soil Science Society of America Journal
Journal of Plant Registrations Journal of
Environmental Quality
The Plant Genome
Copyright © 1999 by the American Society of Agronomy.