Development of ‘Latitude 36’ Turf BermudagrassLatitude 36 bermudagrass was released as a new...

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Development of ‘Latitude 36’ Turf Bermudagrass Yanqi Wu 1 , Dennis L. Martin 2 , Charles M. Taliaferro 1 , Jeff A. Anderson 2 , Justin Q. Moss 2 , Nathan R. Walker 3 , and Greg E. Bell 2 1. Department of Plant and Soil Sciences; 2. Department of Horticulture and Landscape Architecture; 3. Department of Entomology and Plant Pathology; Oklahoma State University, Stillwater, OK 74078 Latitude 36 Midlawn Tifway -8.4 a -8.3 a -7.5 b Freeze tolerance (T mid-point ◦C, cultivars followed by the same letter are not significantly different at P≤0.05 ) Excellent turf quality Significantly improved cold hardiness Early spring green up Breeding and Evaluation History Release and Commercialization The US Golf Association and Oklahoma Agricultural Experiment Station sponsored the research. Team members of C.M. Taliaferro and now Y.Q. Wu, D.L. Martin, J.A. Anderson, and J.Q. Moss provided technical assistance. Cited Reference Latitude 36, tested as OKC 1119, is a clonally propagated F1 hybrid from a cross of C. dactylon accession A12198 and C. transvaalensis OSU selection ‘2747’, made in 1999. Latitude 36 has 2n=3x=27 chromosomes. The initial screening nursery from which Latitude 36 was developed was evaluated in 2000. In 2001, 14 plants from the screening nursery were advanced to a replicated screening test. In 2004, OKC 1119, along with other selected plants from the replicated test, were included in a replicated mowing test (Han, 2009). Based on performance in this test, OKC 1119 was entered in the 2007-2012 National Turfgrass Evaluation Program (NTEP) bermudagrass test (www. ntep.org). Latitude 36 bermudagrass was released as a new cultivar by Oklahoma Agricultural Experiment Station in 2010. The new cultivar was licensed to Sod Solutions, Inc. for commercialization in 2011. An application of plant patent for Latitude 36 bermudagrass has been filed at the US Patent Office. Acknowledgements Han, H. 2009. Development of Improved Turf-type Bermudagrass. M.S. Thesis. Oklahoma State University, Stillwater, OK. High sod density Excellent sod tensile strength Strong salinity tolerance High seedhead ratings No significant insect damage High level of resistance to large patch disease

Transcript of Development of ‘Latitude 36’ Turf BermudagrassLatitude 36 bermudagrass was released as a new...

Page 1: Development of ‘Latitude 36’ Turf BermudagrassLatitude 36 bermudagrass was released as a new cultivar by Oklahoma Agricultural Experiment Station in 2010. The new cultivar was

Development of ‘Latitude 36’ Turf Bermudagrass

Yanqi Wu1, Dennis L. Martin2, Charles M. Taliaferro1, Jeff A. Anderson2, Justin Q. Moss2, Nathan R. Walker3, and Greg E. Bell2 1. Department of Plant and Soil Sciences; 2. Department of Horticulture and Landscape Architecture; 3. Department of Entomology and Plant Pathology;

Oklahoma State University, Stillwater, OK 74078

Latitude 36 Midlawn Tifway

-8.4 a -8.3 a -7.5 b

Freeze tolerance (T mid-point ◦C, cultivars followed by the same letter are not significantly different at P≤0.05 )

Excellent turf quality Significantly improved cold hardiness Early spring green up

Breeding and Evaluation History

Release and Commercialization

The US Golf Association and Oklahoma Agricultural Experiment Station sponsored the research. Team members of C.M. Taliaferro and now Y.Q. Wu, D.L. Martin, J.A. Anderson, and J.Q. Moss provided technical assistance.

Cited Reference

Latitude 36, tested as OKC 1119, is a clonally propagated F1 hybrid from a cross of C. dactylon accession A12198 and C. transvaalensis OSU selection ‘2747’, made in 1999. Latitude 36 has 2n=3x=27 chromosomes. The initial screening nursery from which Latitude 36 was developed was evaluated in 2000. In 2001, 14 plants from the screening nursery were advanced to a replicated screening test. In 2004, OKC 1119, along with other selected plants from the replicated test, were included in a replicated mowing test (Han, 2009). Based on performance in this test, OKC 1119 was entered in the 2007-2012 National Turfgrass Evaluation Program (NTEP) bermudagrass test (www. ntep.org).

Latitude 36 bermudagrass was released as a new cultivar by Oklahoma Agricultural Experiment Station in 2010. The new cultivar was licensed to Sod Solutions, Inc. for commercialization in 2011. An application of plant patent for Latitude 36 bermudagrass has been filed at the US Patent Office.

Acknowledgements

Han, H. 2009. Development of Improved Turf-type Bermudagrass. M.S. Thesis. Oklahoma State University, Stillwater, OK.

High sod density Excellent sod tensile strength Strong salinity tolerance High seedhead ratings No significant insect damage High level of resistance to large

patch disease