Texas Potato Breeding Report 2018 The Texas A&M AgriLife Research Department of Horticultural Sciences Texas A&M University Isabel Vales, Creighton Miller, Douglas Scheuring, and Jeff Koym College Station and Lubbock Shown on the cover is Reveille Russet a 2015 release by the Texas Potato Breeding and Variety Development Potato Program. It is a medium-early, high count carton, fresh market russet with wide adaptability. Table of Contents Page Acknowledgements ............................................................................................................................................................. iv Mission Statement ............................................................................................................................................................... 1 Impact Statement ................................................................................................................................................................ 1 Zebra Chip Research Summary ........................................................................................................................................ 2 Introduction ......................................................................................................................................................................... 2 Springlake Trials, 2018 ....................................................................................................................................................... 8 Western and Southwestern Regional Trials ................................................................................................................... 11 Texas Advanced and Commercial Red Trial, Springlake ............................................................................................. 11 Western and Southwestern Regional Red/Yellow Trial, Springlake ............................................................................ 18 Western and Southwestern Regional White/Yellow Trial, Springlake ........................................................................ 24 Western Regional and Texas Advanced Purple Skin Selection Trial, Springlake ...................................................... 31 Western Regional Fingerling Trial, Springlake ............................................................................................................. 38 Texas Advanced Russet Trial, Springlake ...................................................................................................................... 44 Texas Advanced Red/White Trial, Springlake ............................................................................................................... 52 Texas Advanced Red/Yellow Selection Trial, Springlake ............................................................................................. 59 Texas Advanced White/Yellow Trial, Springlake .......................................................................................................... 66 Texas Advanced Small Potato Selection Trial, Springlake ........................................................................................... 73 Texas Advanced Fingerling Selection Trial, Springlake ............................................................................................... 80 2018 Dalhart Trials ........................................................................................................................................................... 86 Western and Southwestern Regional Chip Trial, Dalhart ............................................................................................ 89 Western Regional and Texas Advanced Russet Trial, Dalhart..................................................................................... 99 Western Regional and Texas Advanced Red Trial, Dalhart ....................................................................................... 107 Western Regional and Texas Advanced Red/Yellow Trial, Dalhart .......................................................................... 114 Western Regional and Texas Advanced White/Yellow Trial, Dalhart ....................................................................... 121 Western Regional and Texas Advanced Purple Skin Selection Trial, Dalhart ......................................................... 128 Western Regional and Texas Advanced Selection Fingerling Trial, Dalhart ............................................................ 135 Texas Advanced Chip Selection Trial, Dalhart ............................................................................................................ 141 2018 4 Hill Chip Selections Trial, Dalhart .................................................................................................................... 155 Texas Advanced Russet Selection Trial, Dalhart ......................................................................................................... 157 2018 4 Hill Russet Selections Trial, Dalhart ................................................................................................................. 165 Texas Advanced Red Selection Trial, Dalhart .............................................................................................................. 167 2018 4 Hill Red Selections Trial, Dalhart ...................................................................................................................... 174 2018 4 Hill Red Skin Yellow Flesh Selections Trial, Dalhart ...................................................................................... 183 Texas Advanced White/Yellow Selection Trial, Dalhart ............................................................................................. 185 2018 4 Hill White/Yellow Selections Trial, Dalhart ..................................................................................................... 192 Texas Advanced Small Potato Selection Trial, Dalhart ............................................................................................... 194 2018 4 Hill Small Potato Selections Trial, Dalhart ....................................................................................................... 201 2018 4 Hill Fingerling Selection Trial, Dalhart ............................................................................................................ 203 Appendix A. General notes on potato varieties or selections- 2018 ............................................................................ 205 Appendix B. Parentage of potato varieties or selections-2018 .................................................................................... 266 Appendix C. Disposition of Clones ................................................................................................................................ 278 Index of Varieties and Clones ........................................................................................................................................ 283 Mention of a trade name or proprietary product does not constitute a guarantee or warranty of the product by Texas A&M AgriLife Research and does not imply its approval to the exclusion of other products that also may be suitable. This publication reports research involving pesticides. It does not contain recommendations for their use, nor does it imply that the uses discussed here have been registered. Appropriate state and federal agencies must register all uses of pesticides before they can be recommended. Commercial companies are mentioned in this publication solely for providing specific information. Mention of a company does not constitute a guarantee or warranty of its products by Texas A&M AgriLife Research or an endorsement over products of other companies not mentioned. All programs, activities, information, services and facilities of Texas A&M AgriLife Research are available to everyone without regard to race, color, religion, sex, age, national origin, or physical or mental handicap. Acknowledgements This work was conducted at the Texas A&M AgriLife Research and Extension Center at Lubbock, the Department of Horticultural Sciences, College Station, and at field sites near Bushland, Springlake, and Dalhart. Financial support for this work was partially provided by the Texas A&M AgriLife Research, USDA/NIFA Special Research Grants Program- Potato Research (Agreement # 2017-34141-27336), Potatoes USA, USDA/SCRI, T3 AgriLife. Bruce Barrett, Springlake Potato Sales, donated ten acres for growth of first year seedlings and advanced selections/variety trials near Springlake. Milt Carter, CSS Farms, donated seven acres for growth of first year seedlings and advanced selections/variety trials near Dalhart. Texas Cooperators: Luis Cisneros-Zevallos, Texas A&M University, College Station, Texas Terry Wheeler, Texas A&M AgriLife Research, Lubbock, Texas Russell Wallace, Texas A&M AgriLife Extension, Lubbock, Texas Ismael Badillo and Adrian Silva, Texas A&M AgriLife Research, Weslaco, Texas Charlie Rush, Texas A&M AgriLife Research, Amarillo, Texas Cecilia Tamboringuy, Julien Levy, and Betsy Pierson, Texas AgriLife Research, College Station, Texas Western Regional Cooperators: Rob Wilson, Kevin Nicholson, and Darrin Culp, Tulelake, California David Holm, Caroline Grey, Katie Gaudreau, Sastry Jayanty, and Samuel Essah, Center, Colorado Rich Novy, Jonathan Whitworth, and Brian Schneider, Aberdeen, Idaho Jeff Stark, Chelsey Lowder, University of Idaho, Aberdeen, Idaho Brain Charlton, Klamath Falls, Oregon Clint Shock, Malheur,