b'enhancement,selection,evalua- cessingvarieties.Thecauseisthesoils.Nochemicalorbiological tion, and development of improvedyeast-likefungus Geotrichum can- products are known to suppress rub-cultivarsforstakeholderadoption.didum.Thisfungusisnaturallybery rot. Weplaceemphasisonincorporat- presentinmostsoilsinallconti-ing durable, long-term resistance tonentsandaffectsmanyfruitsandThere was then a break in the ses-bioticandabioticstressors,earlyvegetables, causing diseases such assionsandthenDr.Darrin maturity, high yield potential, andsourrotofcitrusandotherfruits.Haagenson,USDA/ARS,talked identificationofgenotypeswithDiseasedtubersaredampandfeelabout the impact of Bannock seed reduced needs for inputs, and con- rubbery when squeezed, and patch- ageonyieldcomponents.Darrin duct a myriad of evaluation trials ates of white mycelium may developsaid, Poor emergence, stand devel-sitesinNorthDakotaandon tuber surfaces. Internally, infect- opment,andyieldshavebeen Minnesota.ed tuber tissue may turn gray afterobservedfromNorthDakotapro-cutting, and frequently has an odorduced Bannock seed lots in recent Next, Dr. Guiping Yan, NDSU, spokelike to sour milk. Symptoms of someyears.Theimpactofseedaging on the identification of cover cropsrubbery rot tubes resemble pink rot,treatment on emergence, and yield formanagingroot-lesionnema- butrubberyrottubersdonotparameterswasreported.Three todes and Dr. Ashish Ranjan spokeprogress to salmon pink after shortNorthDakotaBannockseedlots onmonitoringthepoulationexposure to air. Rubbery rot occurspossessingcontrastingyieldswere dynamics of Verticillium wilt.at or soon after harvest, and infect- collected in October 2021 and seven ed tubers are predisposed to devel- aging treatments were carried out in Dr. Gary Secor, NDSU, talked aboutoping secondary soft rot in storage.2021-22storagebymanipulating rubbery rot. He said, Rubbery rot isRubberyrotisassociatedwithstoragetemperatureandduration. a disease new to the US. It was firstwarm,waterloggedsoilsnearhar- A replicated field trial was conduct-reported in Idaho in 2019, and investtime,andmanagementreliesed at the Hoverson Farms research 1922wasdocumentedinseveralonavoidingharvestingorstoringpivot in Larimore, North Dakota in Midwesternstates,mostlyinpro- potatoesfromwarmwaterlogged2022. No significant differences in MARCH 2023 POTATO GROWER 23'