b'on September 30 (115 days after plant- of 2.5 stems is ideal for processing geno- ND092355CR-2Russ, to 361 cwt/acre for ing)tofacilitateharvestandwashar- types such as Russet Burbank. Vine sizesND14130C-4Russ(Table2);themean vested on October 1, using a single-rowalso differed significantly, as expected,across the 22 entries was 301 cwt./acre, Grimme harvester; days to harvest wereand ranged from 2.8 (medium on a scalereflectingtheshortproductionseason 116. We attempt to mimic what manyof 1 to 5 with 1 being very small, to 5in 2022. Yield of US No. 1s ranged from processor growers do in terms of greenbeing very large) for ND92355CR-2Russ,123 cwt./acre for ND092355CR-2Russ to digging; however, green digging may beto4.3(medium-large)forDakota248cwt./acreforDakotaRussetand associated with more skinning and anTrailblazer.DuetoourshortgrowingND060735-4Russ,whilepercentageUS increaseinstoragemanagementseasonsinnorthernproductionareas,No.1srangedfrom48%forRusset required immediately following harvest.early maturity is an important attribute.Burbank(indicatingtheneedfora Vinematuritydifferedsignificantlyaslongergrowingseason)to83%for Agronomic evaluations are summarizedexpected,rangingfrom1.4forND12241YB-2Russ. The percentage of 6 in Table 1. Percentage stand differed sig- ND113096-1Russ to 4.0 for several culti- to10-ouncesizetubersforclones nificantly,varyingfrom75to98per- varsandselections,includingRangerranged from 9 to 17%, with a mean of cent,withameanof88%(Table1).Russet, Dakota Trailblazer, and Bannock13%.Percentageoversizedtubers(10 StemsperplantdifferedsignificantlyRusset (scale of 1 (very early) to 5 (veryoz.sizecategory)rangedfrom2for and ranged from 1.6 to 3.4, with a meanlate)),withameanacrossentrantsofND091933ABCR-7Russto38%for across entries of 2.7. Stems per plant is a3.0.ND12241YB-2Russ. Percentage tubers in function of seed size, tuber eye numberthe 4 to 6-ounce grade, ranged from 16 and distribution, strength of dormancy,Totalyielddifferedsignificantly,rang- forND050032-4Russto37%for and other factors; generally, an averageingfrom235cwt./acreforND091933ABCR-7Russ.Undersized IF YOU KNOW, YOU GROW Minnesota Certied Seed Potatowww.mda.state.mn.us/potatoAPRIL 2023 POTATO GROWER 17'