b'Understanding the genetics of resistanceof these clones have developed a reputa- have crossed the diploids weve already iscrucialtoinformbreedingresistanttion for their flavor despite the fact thatgenerated to self-compatible material as material.Thescabnurseryremainsthey do not fall within a clear marketa first step in creating inbred lines. Our under development. class.Theselegacyvarietiesseemlikefirst generation of self-pollinated materi-ideal choices for local and organic pro- alisgrowinginthehightunnelin NorthCentralResearchandduction for farmers markets or commu- GrandRapidsforfurtherself-pollina-OutreachCenter,GrandRapidsnity supported agriculture. We are grow- tion. In our lab this project is being led Minnesotaingtheseclonesincollaborationwithby a graduate student, Muyideen Yusuf. TheNorthCentralResearchandAndrewCardinalandLillianHangatIt is funded by a USDA-NIFA SCRI proj-OutreachCenter(NCROC)inGrandtheirrespectiveorganicfarmsthroughectformoreinformationsee Rapids Minnesota is our seed and earlyan MDA sponsored project lead by Dr.https://potatov2.github.io/orattend generationselectionlocation.WeareThomas Stefaniak. ourprojectupdateatthePotato growing all breeding program clones atAssociationofAmericaMeetingon theNCROCtogenerateseedfornextTheclonesfeaturedinclude:PolarisWednesday afternoon.season.StartinginFY3wegenerallyGold,MN07112,MN13142,and have enough seed to be able to evaluateMonDak Gold. Polaris Gold was evaluat- The progress weve made in our first five clones at our trial location and only gen- ed under the number MN04844. It is ayearsisinlargepartduetogrower erate seed at the NCROC.However, foryellow skinned yellow fleshed late vari- industrysupport,whichwedeeply the first two years due to lack of seed weety with low internal defects and a veryappreciate. As we move forward, we are evaluateclonesattheNCROC.Weround shape. We have nominated it forexcited about the potential for contin-planted45,000singlehillFY1plots,release.MN07112isamarbledpurpleued collaboration which will allow us to includingindividualsfromallmarketand gold variety which keeps its colorcontinue to support and contribute to classes. Some of these come from crossesupon cooking. MN13142 is a long stor- the potato industry in our region.done within our program but the major- ing russet with resistance to PVY, pinkityarefrombreedingprogramsattherot, and P. nicotianae. It is suitable forUSDA-ARSEastGrandForks, University of Maine, Texas A&M, Northprocessingandfreshmarketuses.Minnesota DakotaStateUniversity,andOregonMonDak Gold was released by Dr. ThillDr. Darrin Haagenson StateUniversity.Weexpecttoselectit has pink skin and gold flesh.approximately 1-2% of these to move onTheimpactofBannockseedageon in the program. Our FY2 consists of 690Diploid Breeding growthparameters(emergence,stem individualswith:271chips,226reds,We are part of a national and interna- number,tuberset,andyield)isbeing 149 russets, 29 specialty, and 15 yellows. tional effort to make potato breeding aexamined in a replicated field trial at the These are planted in 12 hill plots and wemore efficient process, allowing breedersHoversonFarmsirrigationplotat will use visual selection select approxi- tomorequicklyrespondtochangingLarimore, North Dakota.The USDA lab mately 25%. environments and consumer demands,is also evaluating 80 advanced process-bycreatingdiploidpotatoes.Diploiding clones (russet and chip) representing AllGoodOrganics,LinoLakepotatoeswillallowustomovetoan8USpublicbreedingprogramsatthe Minnesota&HmongAmericaninbred hybrid breeding system similar toirrigated plot.Clone sugar concentra-FarmersAssociationFarm,theoneresponsiblefordramaticyieldtions and fry/chip color will be assessed Hastings, Minnesota increases in corn. This summer we areduring 10 months of storage at varied Weinheritedseveralclonesfromthecontinuingtogeneratenewdiploidstoragetemperatures(48,45,42,and previousbreeder,Dr.ChristianThill,materialfromtetraploidcommercial40F). At a Hoople field location hosted which we are calling legacy lines. Someandbreedingclones.Additionallyweby Oberg farms, we are evaluating yield 20 POTATO GROWER JULY/AUGUST 2022'