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William L. Berndt

‘SeaDwarf’ seashore paspalum is now being used as a golf course turf in many different warm season locations, including the United States, Mexico, the Caribbean, and Spain ( Duncan and Carrow, 2005 ). ‘SeaDwarf’ seashore paspalum is a halophytic

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J.S. Shin, P. Raymer, and W. Kim

Seashore paspalum (Paspalum vaginatum O. Swartz) is a perennial warm-season grass that is rapidly gaining popularity for use on golf courses and athletic fields. The first seeded cultivar of seashore paspalum was recently developed. Seed from the pilot production of this cultivar harvested in Oregon during 2002 by Turf-Seeds, Inc. demonstrated a high level of apparent seed dormancy with a tetrazolium test of 91% but a germination rate of less than 5% at room temperature. This seed was used in laboratory experiments to determine the effect of a number of environmental factors on germination response in this new turf species. Treatment factors are germination media, constant and alternating (night/day) temperatures, and light. A strong and significant effect of temperature on germination was observed. Total germination was increased at higher temperatures. At the same daytime temperature, seed germination under alternating temperature was better than germination at constant temperature. The effect of light on germination was significant at 20, 25, 30, 20/35 °C in water and at 25/35 °C in 0.2% KNO3 germination media. However, the effect of light on germination in KNO3 media was not significant at 35 °C constant and 20/30 °C alternating temperatures. Alternating temperature used in conjunction with KNO3 media reduced the requirement for light. The use of 0.2% KNO3 rather than water as the germination media increased germination in most temperature and light treatments. Based on our results, maximum germination percentage was obtained when seed was germinated at 35 °C constant or 20/35 °C alternating temperature. However, when we consider field application, 25/35 °C with light is more realistic condition in field. Therefore, recommended seed germination test condition is at 25/35 °C with KNO3 treatment.

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Brian M. Schwartz, Ryan N. Contreras, Karen R. Harris-Shultz, Douglas L. Heckart, Jason B. Peake, and Paul L. Raymer

Agriculture in Texas, Georgia, and Mississippi, of which much was in cooperation with scientists at the Instituto de Botánica del Nordeste in Corrientes, Argentina. Seashore paspalum ( Paspalum vaginatum Swartz) is a low growing perennial with the potential

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Alex J. Lindsey, Joseph DeFrank, and Zhiqiang Cheng

In recent years, some golf courses in Hawaii have replaced or are replacing bermudagrass with seashore paspalum on greens or as their primary fairway turfgrass. Emphasis on potable water conservation and increased use of recycled water on turfgrass

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Bo Xiao and David Jespersen

metabolism in turfgrass tolerance to waterlogging, are not well documented. Of the warm-season turfgrass species commonly grown in the United States, seashore paspalum has been reported to be tolerant to flooding and low oxygen conditions ( Duncan and Carrow

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J.T. Brosnan and J. Deputy

Seashore paspalum is a prostrate-growing, perennial turfgrass, indigenous to tropical and coastal areas ( Duncan and Carrow, 2000 ). While hybrid bermudagrass is still the most commonly used turfgrass on golf courses and athletic fields in Hawaii

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Clinton J. Steketee, Alfredo D. Martinez-Espinoza, Karen R. Harris-Shultz, Gerald M. Henry, and Paul L. Raymer

Seashore paspalum ( P. vaginatum ) is a warm-season, perennial turfgrass ( Morton, 1973 ) that is used primarily as a fine-bladed turfgrass in recreational areas. This littoral, C 4 species is typically found in tropical to warm temperate regions

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Sang In Shim, Jun-Cheol Moon, Cheol Seong Jang, Paul Raymer, and Wook Kim

Seashore paspalum ( Paspalum vaginatum O. Swartz, 2n = 2x = 20) is a promising warm-season turfgrass species resulting from its high tolerance to salt stress ( Carrow and Duncan, 1998 ; Duncan, 1999 ; Lee et al., 2005 ), drought ( Huang et al

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Yan Liu, Hailin Guo, Yi Wang, Jingang Shi, Dandan Li, Zhiyong Wang, and Jianxiu Liu

Seashore paspalum is a notable warm-season turfgrass that survives in coastal areas between latitudes 30°N and 30°S worldwide ( Liu et al., 1994 ). When the average temperature is less than 10 to 15.5 °C, this grass becomes dormant and loses its

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June Liu, Zhimin Yang, Weiling Li, Jingjin Yu, and Bingru Huang

-season turfgrasses grown in cool climatic regions enter dormancy early in the fall and green up later in the spring compared with cool-season species ( Beard, 1973 ). Seashore paspalum is a warm-season turfgrass with many desirable traits such as superior tolerance