b'increase lot production is used to main- Grand Rapids, Minnesota Endleman to predict which individualstain the genotypes via phenotypic recur- Field year 1 was planted at the NCROC (of the 400 selected) will have the bestrent selection and is the seed source for inmid-May.Itincludedover2000 yield,specificgravityandchipcolorsresearchtrialsconductedbyourpro- seedlingtubersfromourfirstcrossing from genetic information. Those select-gram,collaboratorsatNDSU,and block in 2018.Additionally, it featured ed will form a crossing block for a firstresearchandindustrycollaboratorsin 21,000 seedling tubers donated by col- field generation in 2022. Predicted phe-North Dakota, Minnesota, and beyond. laboratorsinColorado,Maine,Texas, notypes will be validated in 12-hill plotsAs in previous years, about two dozen andNorthDakota.Overallwehave: in 2021, and data will be used to updateChileanselectionsfromtheINIApro- 43%russetpotatoes,19%chipping Dr. Endelmans model.The aim of thisgram at Osorno, Chile, are being evalu- potatoes,16%specialtypotatoes,15% experiment is to decrease the number ofatedand/orincreasedincollaboration yellowpotatoes,and7%redpotatoes. field generations before a clone can bewith Drs. Gary Secor and Julio Kalazich. We will perform visual selection in the usedasaparentfrom5to1,andtofall,withtheaimofkeeping~2%of develop new chipping potatoes broadlyWe look forward to sharing our research clones. adapted to the Upper-Midwest. and results with all and wish to thankour trial hosts and those who supply cer- IncollaborationwiththeotherNorth Field year 2 was planted a week later. Ittified seed, the NPPGA, Minnesota Area Central Breeders (Dr. Dave Douches at consists of the 601 selections from theIIPotatoResearchandPromotion MichiganStateUniversity,Dr.Jeff 2019-FY1. All plants are grown in 12-hillCouncil,CavendishFarms,Simplot, EndlemanattheUniversityof plots. The clones are 48% russets, 25%Potatoes USA, NIFA, the North Dakota Wisconsin, and Dr. Susie Thompson at chips, 14% specialty, and 13% red. WeSCBG program and others for research North Dakota State University), we are will perform visual selection in the fall,funding in support of this work, Valley experimenting with rapid cycle genomic andexpecttokeep~25%ofclones.Tissue Culture, the North Dakota State selection for chipping potatoes. In gen- Selected clones will be genotyped and aSeedDepartment,Minnesota eral it takes over 5 field generations of sub-sample will be taken to Grand ForksDepartment of Agriculture, and to the assessment for a new clonepotato improvement team for collabora- to be used as a parent in thetioninconductingthesetrials.The breeding program. This lim- Augies Chemical potatobreedingteamincludesDick itsthespeedatwhichwe Company(Richard) Nilles (research specialist), and can make genetic gain. If we Specializing in Potato Dormancy &graduatestudentsFelicityMerritt, usegeneticinformation Sprout Inhibiting Application Edoardo Poletti, Hashim Andidi, Tannis ratherthanphenotypicAnderson and James Bjerke. information to choose par- Products:entswecanshortenthat 1,4 Seed1,4 ShipUniversityofMinnesotaPotato cycle.Specifically,eachof 1,4 Sight Pin Nip 98% CIPC1,4 ZapBreeder the four programs involvedDr. Laura Shannon, UMN is growing out nine families Full line of products for wash plants/packaging:ofchippingpotatoes.We Sprout TorchThe restarted UMN potato breeding pro- areeachgrowingapproxi- Spud Guard 2ECgram is in its third year. We are working mately200individualsper StorOx 2.0attwolocations:TheNorthCentral familyin4-hillplots.AtResearch and Outreach Center (NCROC) harvest the best 100 individ- Contact: Don Augustin or John OstenrudeinGrandRapids,Minnesota,andThe ualswillbechosenfrom Don: 701-520-1373John: 701-360-3919 SandPlainsResearchFarm(SPRF)in each breeding program and Email: [email protected] Becker, Minnesota. genotyped.Wellusea [email protected]/AUGUST 2020 POTATO GROWER 21'