b"Crystal Fresh Market Trial 2021 Summary By Dr. Asunta Susie Thompson, NDSU Potato BreederPotatoisthesecondmostwidelyarticle.The grownspecialtycropinNorthCrystalsiteis Dakota (ND), Minnesota (MN), andhostedbyDave acrosstheNorthernPlains.ItisandAndy management,labor,andinputMoquist(O.C. intensivecomparedtoagronomicSchulz), and two crops, and, partially due to its per- trialswerecon-ishability,issusceptibletomanyducted, a prelim-pathogens,insectpests,andenvi- inaryfreshmar-ronmentalstresses.Additionally,ket trial and the baseduponutilization,stringentadvancedfresh market requirements must be met.market trial. The ThepotatobreedingprogramatFreshMarket NorthDakotaStateUniversityTrialhad30 (NDSU) has been active for about 90entries,24 yearsandiscentraltothepotatoadvancingselec- Potatoproducerandpackerrepresentativesviewtuber improvementteaminND.Usingtionscomparedsamples from the Crystal Fresh Market Trial at a 'Tater Talk'sessionhostedbyDrs.AndyRobinsonandSusie conventionbreedingtechniques,tosixstandards,Thompson,attheNorthernPlainsPotatoGrowers thebreedingprogramemphasizeswhiletheAssociation conference room, December 1, 2021.introgression of durable, long-termPreliminaryTrialincluded33inches apart, with a 12-inch within-resistance to biotic and abiotic stres- entries,24advancingNDSUandrowspacing.Vineswereshredded sors important to our producers andChileanselectionscomparedto9on approximately September 8, and industry,inadditiontoenhance- freshmarketstandards.The2021thetrialwasharvestedon mentofnutritionalandqualityproduction season was plagued bySeptember 18, with days to vine kill attributes, and providing increasedhighdayandnighttimetempera- and harvest totaling 106 and 116, opportunitiesforeconomicandtures and a lack of rainfall, resultingrespectively.Agronomicevalua-environmentalsustainability,inin low yields and a small tubers sizetions,includingstand,stemnum-developing new cultivars with earlyprofile.Resultsaresummarizedber per plant, vine size, vine maturi-maturity, high yield potential, andbelow and in Tables 1, 2 and Figurety and tubers per plant are summa-expanded marketability. 1.rizedinTable1.Percentagestand ranged from 79 to 100 and differed Non-irrigated research sites includ- ThetrialwasplantedonMay25,significantly, with a mean of 97%. ed Crystal and Hoople, ND, where2021.ThefieldplotdesignwasaND13237C-1R and ND14282CB-5R freshmarketandchipprocessingrandomizedcompleteblockwithhadreducedstandsat90%and selections are evaluated, respective- fourreplicates,andculturalprac- 79%, respectively. Mean stem num-ly. The chip processing trial resultstices typical of the growing regionber was 3.1 and differed significant-willbereportedinanupcomingwereused.Rowswerespaced36lyacrossentries.Stemsperplant rangedfrom2.2to4.4,for 16 POTATO GROWER APRIL 2022"