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CULTIVARS

Registration of Nine Maize Populations Resistant to Tropical Diseases

Dep. Tropical Plant and Soil Science, College of Tropical Agriculture and Human Resources, Univ. of Hawaii, 3190 Maile Way, Honolulu, HI 96822. Institutional Sponsor: University of Hawaii

^* Corresponding author (Brewbake{at}hawaii.edu).

ABSTRACT

Nine open-pollinated populations of maize (Zea mays L.), ‘HIC1’ (Reg. No. CV-2, PI 652866), ‘HIC2’ (Reg. No. CV-3, PI 652867), ‘HIC3’ (Reg. No. CV-4, PI 652868), ‘HIS1’ (Reg. No. CV-5, PI 652869), ‘HIS2’ (Reg. No. CV-6, PI 652870), ‘HIS3’ (Reg. No. CV-7, PI 652871), ‘HIS4’ (Reg. No. CV-8, PI 652872), ‘HIS5’ (Reg. No. CV-9, PI 652873), and ‘HIS6’ (Reg. No. CV-10, PI 652874), were released by Hawaii Foundation Seeds of the College of Tropical Agriculture and Human Resources of the University of Hawaii. Six are inbred-based synthetic populations (HIS1–HIS6) selected for resistance to specific diseases, and three are composites (HIC1–HIC3) derived from open-pollinated predecessors. The populations are largely tropically adapted flints that involve from 10 to 25% temperate parentage. They represent a total of 92 cycles of recurrent selection, and all are resistant to Maize mosaic virus.

Abbreviations: CTAHR, College of Tropical Agriculture and Human Resources • GCA, general combining ability • HFS, Hawaii Foundations Seeds • MMV, Maize mosaic virus