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Brian Schwartz, Jing Zhang, Jonathon Fox, and Jason Peake

Hybrid bermudagrass ( Cynodon dactylon × C. transvaalensis ) such as ‘TifSport’ and ‘TifGrand’ are widely used on golf courses, athletic fields, as well as commercial and residential landscapes because of their tolerance to lower and more frequent

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Diheng Zhong, Hongmei Du, Zhaolong Wang, and Bingru Huang

bermudagrass genotypes, hybrid bermudagrass ( Cynodon dactylon × C . transvaalensis ) ‘Tifway’ (drought-resistant) and common bermudagrass ( C. dactylon ) ‘C299’ (drought-susceptible), was collected from a research farm at Shanghai Jiao Tong University

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Erick G. Begitschke, James D. McCurdy, Te-Ming Tseng, T. Casey Barickman, Barry R. Stewart, Christian M. Baldwin, Michael P. Richard, and Maria Tomaso-Peterson

Zoysia japonica cv. El Toro and Cynodon dactylon × C. transvaalensis cv. ‘Midlawn’ Intl. Turfgrass Soc. Res. J. 8 1025 1032 Brosnan, J.T. Breeden, G.K. Thoms, A.W. Sorochan, J.C. 2014 Effects of preemergence herbicides on the establishment rate and

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Andrew J. Hephner, Tyler Cooper, Leslie L. Beck, and Gerald M. Henry

evaluate the lateral spread of khakiweed in response to mowing heights and frequencies commonly used when managing common bermudagrass [ Cynodon dactylon (L.) Pers.]. Materials and Methods Experiments were conducted during the summer and fall of 2009 and

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Jason J. Griffin, William R. Reid, and Dale J. Bremer

ornamental species decreased in the presence of bermudagrass ( Cynodon dactylon ). However, when planted in a 76 cm square area cleared of bermudagrass, plant growth and appearance was improved. No mulch was applied in that study, which suggests some

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Monica L. Elliott, J.A. McInroy, K. Xiong, J.H. Kim, H.D. Skipper, and E.A. Guertal

Golf course putting greens are composed of a turfgrass monoculture. In the southeastern United States, bentgrass ( Agrostis palustris Huds.) and hybrid bermudagrass [ Cynodon dactylon (L.) Pers. × C. transvaalensis Burtt-Davy] are the dominant

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Qi Zhang, Kevin Rue, and Jeanna Mueller

’ bermudagrass [ Cynodon dactylon var. dactylon (L.) Pers.] (BER). Seeds were soaked in continuously aerated deionized/distilled water (ddH 2 O) or 5, 10, and 50 m m of GB for 24 h at 25 ± 2 °C following the procedure used by Zhang and Rue (2012

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Travis Culpepper, Joseph Young, David T. Montague, Dana Sullivan, and Benjamin Wherley

production ( Steinke et al., 2011 ). A number of C 3 and C 4 turfgrasses are adapted to the transition zone region of the United States, including bermudagrass [ Cynodon dactylon (L.) Pers.] (C 4 ), buffalograss [ Buchloe dactyloides (Nutt.), Engel.] (C 4

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Songul Severmutlu, Nedim Mutlu, Ercan Gurbuz, Osman Gulsen, Murat Hocagil, Osman Karaguzel, Tiffany Heng-Moss, Robert C. Shearman, and Rock E. Gaussoin

transport system that retrieves water from deep in the profile and delivers it to the drying surface soil at night, has been reported in bermudagrass [ Cynodon dactylon × C. transvaalensis ( Baker and Van Bavel, 1986 )] and buffalograss ( Huang, 1999

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Lakshmy Gopinath, Justin Quetone Moss, and Yanqi Wu

The susceptibility of warm-season turfgrasses such as bermudagrass (Cynodon spp.) to winter injury in the transition zone is a major concern. Therefore, the objective of the study was to evaluate five golf course putting green-type experimental genotypes (OKC6318, OKC0805, OKC1609, OKC0920, and OKC3920) and three commercially available bermudagrasses (‘Champion Dwarf’, ‘TifEagle’, and ‘Tahoma 31’) for freeze tolerance by subjecting them to 11 freezing temperatures (–4 to –14 °C) under controlled environment conditions. The experiment was conducted in batches, with four genotypes per batch, and each batch was replicated in time. The mean lethal temperature to kill 50% of the population (LT50) for each genotype was determined. There were significant differences in LT50 values among the bermudagrass genotypes. ‘Champion Dwarf’ had an LT50 value ranging from –5.2 to –5.9 °C across all three batches. The experimental genotypes tested in this study had LT50 values ranging from –7.0 to –8.1 °C and were each lower than that of ‘Champion Dwarf’. ‘Tahoma 31’, the top performing genotype, had an LT50 value ranging from –7.8 to –9.0 °C across all three batches. OKC 3920 was the only experimental genotype with an LT50 value in the same statistical group as ‘Tahoma 31’. The information gained from this research would be useful for breeders to gauge the genetic gain in freeze tolerance in breeding golf course putting green-type bermudagrass.