b'No.1s)rangedfrom16cwt/acrefor thus data for theseND14151-26R,to201cwt/acrefor internaldisordersRedNorland.PercentageAsize arenotreported.ranged from 7% for ND14151-26R a Specific gravity dif-beautiful bright-red skinned high set- feredsignificantlyting selection, to 62% for ND13296Y- for clones, ranging6R.Both A sized yield and percentage from1.0702fordiffered significantly across clones as ND113207-1R,toexpected,duetoourselection 1.1049forresponse to industry interest in these ND1241-1Y(wasgenotypes with higher tuber set and 1.1044in2019)asmaller overall tuber size profile.The dual-purposeyel-percentage of 0 to 4-ounce size tubers lowselectionsuit-rangedfrom9%forRedLaSodato edforboththe91%forthehighsettingselection freshmarketandchipprocessing. and on conveyors going into storage.ND14151-26R.The percentage tubers Elevated specific gravities are expect- Shatterbruiseresultswhentubers4-6ouncerangedfrom5%for edduringseasonswithdrygrowing bump into one another or unpaddedND14151-26R, to 46% for ND13296Y- conditions.Blackspotbruisesresult equipment breaking the skin.We pre-6R.Oversizetubers(10oz.)were whentubersbumparoundduring dict shatter bruise potential by bring-very low with the exceptions of indus- harvest and handling when polyphe- ingpulptemperaturesto45FforatrystandardsRedLaSoda,Red noloxidaseandtyrosinecombine week,thendroppingthetubersNorland,andSangre.Tuberswere withindamagedcells;generally,the throughachamberwithunpaddedgenerally graded as US No. 2s or culls tuber skin is not broken(%DefectsinTable2)duetomis- and bruises are difficultshapen tubers. to detect without peel-ing.BlackspotbruiseFreshmarketqualityattributesare potentialdifferedsig- \x18\x11\x17\x01/\x0f\x018FCFS\x01"WF\x0fsummarizedinTable3,andinclude nificantlyacrossthe 4JPVY\x01\'BMMT\x014%\x01\x16\x18\x12\x11\x14tuber shape and color, specific gravity, genotypes,ranging XXX\x0fFMTUPONGH\x0fDPNand bruise potential.Tuber shape var- from 1.3 for Gala as in 1SPUFDU\x01ZPVS\x011PUBUPFT\x01GSPN\x01GSFF[JOH\x01BOE\x01EJTDPMPSBUJPO\x01XJUI\x01&MTUPO\x01.GH\x011SPQBOF\x01$BSHP\x01ied from round (1.0) for most entries, 2019,to3.7for )FBUFS\x02\x01*OFYQFOTJWF\x01FBTZ\x01UP\x01NBJOUBJO\x01BOE\x01tooblongandnearlyblockyfor ND113091B-2RYand FOWJSPNFOUBMMZ\x01GSJFOEMZ\x0fND13106-1R and ND13109-2Y.Skin N D 1 3 1 0 6 - 1 R . 1VUT\x01PVU\x01\x14\x18\x11\x11\x11\x01#56\x01BOE\x01SVOT\x01P\x01CPUIcolorrangedfromyellow(Y)for Managementpractices "$\x01BOE\x01%$\x01QPXFS\x0f\x01*O\x01UIF\x013FE\x013JWFS\x017BMMFZ\x01ND1241-1Y,ND13109-2Y,Gala,and tominimizebruising DBMM\x01/PSUI8FTU\x015SVDL\x01\x07\x015SBJMFS\x01JO\x01\'BSHP\x01/%\x01YukonGold,topurple(P)for include pre-harvest irri- GPS\x01RVFTUJPOT\x01BOE\x01QSJDJOH\x02\x18\x11\x12\x0e\x15\x18\x17\x0e\x18\x12\x12\x14ND1243-1PY(Table3).Aprimary gationifpossible,emphasis of our program is on bright maintainingbeltsandred-skinnedgenotypes;manyofthe conveyors full of tubers2020 entries had superior color (rated and soil as the potatoesas a 3.8 and higher) compared to the move through the har-industry standards Red Norland, Red vester,limitingdrops,LaSoda,andSangre.Littlehollow andutilizingpaddingheartorbrowncenterwerefound, on harvesters, in trucks, \x12\x0e\x19\x11\x11\x0e\x19\x15\x16\x0e\x12\x14\x19\x1618 POTATO GROWER APRIL 2021'