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ACCESSIONPLANT NAMETAXONOMYORIGINGENEBANKIMAGEAVAILABILITYRECEIVEDSOURCE TYPESOURCE DATECOLLECTION SITECOORDINATESELEVATIONHABITATIMPROVEMENT LEVELNARRATIVE
0PI 550443B49Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1971DEVELOPEDBreeding materialMaturity is AES900. Very high resistance to first brood of European corn borer (Ostrinia nubilalis) and good resistance to second brood. Some resistance to northern corn leaf blight (Helminthosporium turcicum) and corn leaf rust (Puccinia sorghi).1445379PI 550443
1PI 550454B52Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1971DEVELOPEDBreeding materialSeed yield good. Stalk extremely hard. Root system strong. Maturity is AES800. Near immunity to second brood of European corn borer (Ostrinia nubilalis).1445390PI 550454
2PI 550455B67Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1971DEVELOPEDBreeding materialPlant vigorous, with tendency to produce 2 ears per plant. Maturity is AES800. Some tolerance to western corn rootworm (Diabrotica virgifera).1445391PI 550455
3PI 550456B69Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1971DEVELOPEDBreeding materialPlant vigorous. Maturity is AES800. Resistant to western corn rootworm (Diabrotica virgifera). Some resistance to corn leaf blight (Helminthosporium turcicum).1445392PI 550456
4PI 550440'B64'Zea mays L. subsp. mays Iowa, United StatesNC7KERNELS1966DEVELOPEDBreeding materialMaturity is late AES800. Good tolerance to western corn rootworm (Diabrotica virgifera). Moderate resistance to first brood of European corn borer (Ostrinia nubilalis).1445376PI 550440