Response of corn (Zea mays L.) to Planting Dates in Puerto Rico

S. Torres-Cardona and A. Sotomayor-Ríos

No 261637, 19th Annual Meeting, September 11-17, 1983, Puerto Rico from Caribbean Food Crops Society

Abstract: Twenty seven corn cultivars from the PCCMCA (Central America Cooperative Improvement Program) test were planted at two dates during 1982-83 at Isabela, Puerto Rico. The combined analysis of variance showed that there were significant differences between planting dates for grain yield, midbloom, leaf area index and rust reaction. Differences among cultivars were observed for all traits except test weight. Cultivar TICO V-6 from Costa Rica produced the highest grain yield (over 6 tons ha-1) at both planting dates.

Keywords: Crop Production/Industries; Research and Development/Tech Change/Emerging Technologies (search for similar items in EconPapers)
Pages: 15
Date: 1983-09-11
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Persistent link: https://EconPapers.repec.org/RePEc:ags:cfcs83:261637

DOI: 10.22004/ag.econ.261637

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