2026 Corn Performance Test Results

Final Results

Southeast Region (Clarkton, Dexter, Fisk, Portageville, and Summary), Central Region (Henrietta, Truxton, Norborne, Columbia, Vandalia, and Summary), Southwest Region (Carthage, Lamar, Urich, and Summary), and North Region (Canton, Albany, Rock Port, Novelty, Mooresville, and Summary) as of .

Characteristics of corn hybrids (PDF) tested in 2026.
Crop management practices (PDF) at all locations.
Soil and weather characteristics (PDF) of all locations.

Missouri Test Counties

Missouri corn test locationsNumbered test counties. Numbers correspond to the locations listed below the map.Adair CountyAndrew CountyAtchison CountyAudrain CountyBarry CountyBarton CountyBates CountyBenton CountyBollinger CountyBoone CountyBuchanan CountyButler CountyCaldwell CountyCallaway CountyCamden CountyCape Girardeau CountyCarroll CountyCarter CountyCass CountyCedar CountyChariton CountyChristian CountyClark CountyClay CountyClinton CountyCole CountyCooper CountyCrawford CountyDade CountyDallas CountyDaviess CountyDeKalb CountyDent CountyDouglas CountyDunklin CountyFranklin CountyGasconade CountyGentry CountyGreene CountyGrundy CountyHarrison CountyHenry CountyHickory CountyHolt CountyHoward CountyHowell CountyIron CountyJackson CountyJasper CountyJefferson CountyJohnson CountyKnox CountyLaclede CountyLafayette CountyLawrence CountyLewis CountyLincoln CountyLinn CountyLivingston CountyMcDonald CountyMacon CountyMadison CountyMaries CountyMarion CountyMercer CountyMiller CountyMississippi CountyMoniteau CountyMonroe CountyMontgomery CountyMorgan CountyNew Madrid CountyNewton CountyNodaway CountyOregon CountyOsage CountyOzark CountyPemiscot CountyPerry CountyPettis CountyPhelps CountyPike CountyPlatte CountyPolk CountyPulaski CountyPutnam CountyRalls CountyRandolph CountyRay CountyReynolds CountyRipley CountySt. Charles CountySt. Clair CountySte. Genevieve CountySt. Francois CountySt. Louis CountySaline CountySchuyler CountyScotland CountyScott CountyShannon CountyShelby CountyStoddard CountyStone CountySullivan CountyTaney CountyTexas CountyVernon CountyWarren CountyWashington CountyWayne CountyWebster CountyWorth CountyWright CountySt. Louis city5: Rock Port, Atchison County510: Vandalia, Audrain County1012: Lamar, Barton County126: Columbia, Boone County616: Fisk, Butler County168: Norborne, Carroll County814: Clarkton, Dunklin County141: Albany, Gentry County113: Urich, Henry County1311: Carthage, Jasper County114: Novelty, Knox County42: Canton, Lewis County23: Mooresville, Livingston County39: Truxton, Montgomery County917: Portageville, Pemiscot County177: Henrietta, Ray County715: Dexter, Stoddard County15
Select a numbered county to jump to its test location below. Gold indicates a county with a listed test location; results may not yet be available.
County boundaries: U.S. Census Bureau, 2024.

North Region

Non‑Irrigated Test

  • 1 Albany, Mo. (Gentry County): PDF | Excel
  • 2 Canton, Mo. (Lewis County): PDF | Excel
  • 3 Mooresville, Mo. (Livingston County): PDF | Excel
  • 4 Novelty, Mo. (Knox County): PDF | Excel
  • 5 Rock Port, Mo. (Atchison County): PDF | Excel
  • Non‑Irrigated Region Means: PDF | Excel

Central Region

Non‑Irrigated Test

  • 6 Columbia, Mo. (Boone County): PDF | Excel
  • 7 Henrietta, Mo. (Ray County): PDF | Excel
  • 8 Norborne, Mo. (Carroll County): PDF | Excel
  • 9 Truxton, Mo. (Montgomery County): PDF | Excel
  • 10 Vandalia, Mo. (Audrain County): PDF | Excel
  • Non‑Irrigated Region Means: PDF | Excel

Southwest Region

Non‑Irrigated Test

  • 11 Carthage, Mo. (Jasper County): PDF | Excel
  • 12 Lamar, Mo. (Barton County): PDF | Excel
  • 13 Urich, Mo. (Henry County): PDF | Excel
  • Non‑Irrigated Region Means: PDF | Excel

Southeast Region

Irrigated Test

  • 14 Clarkton, Mo. (Dunklin County): PDF | Excel
  • 15 Dexter, Mo. (Stoddard County): PDF | Excel
  • 16 Fisk, Mo. (Butler County): PDF | Excel
  • 17 Portageville, Mo. (Pemiscot County): PDF | Excel
  • Irrigated Region Means: PDF | Excel