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Abstract
The objective of this work was to evaluate the potential of corn hybrids for grain productivity and fresh produce marketability in two crop seasons. The experiment applied the completely randomized block design with three replications, during 2013-14 and 2014-15 crops. Ten hybrids indicated for the Midwest region of Goiás state were used, namely 2B512PW, 2B587PW, 2B707PW, 30F35HR, 30F53YH, BRS1055, BM3061, P3646H and P3862YH. Hybrid AG1051 was used as control. The studied variables were ear height (EH), unhusked ear productivity (UEP), husked ear productivity (HEP), marketable ear productivity (MEP), marketable ear length (MEL), marketable ear diameter (MED), grain mass (GM), and gross revenue (GR). Records show that hybrid P3646H achieved results lower than the control in all the analyzed variables, regardless of the crop season, whereas hybrids 2B512PW, BRS1055 and P3862YH showed figures similar to AG1051 in 2013/14 crop and lower ones in 2014/15. Therefore, would not represent direct market competitors, as the control hybrid holds a significant share in the domestic market. Hybrids 2B587PW, 30F35HR, 30F53YH and BM3061 presented the greatest suitability for fresh corn consumption, as featured the highest number of favorable traits for that market.
Highlights
Corn (Zea mays L.) is one of the main grains grown all over the world, including Brazil, and can be used in human and animal feeding and as industrial feedstock, especially for its high nutritional quality and versatility in Brazilian cuisine
Variations in Crops, excluding ear height (EH), marketable ear diameter (MED) and grain mass (GM); Hybrid, MED; and interaction between Crops x Hybrids, EH, MED and GM, were not significant, which allows stating that the hybrids presented similar behavior in both crops studied
Such values were corroborated in variables unhusked ear productivity (UEP), husked ear productivity (HEP) and marketable ear productivity (MEP), for AG1051, in the studied crops, 33, 35 and 32%, respectively, being the reduction in those variables, despite reduced productivity, which was observed in the first crop
Summary
Corn (Zea mays L.) is one of the main grains grown all over the world, including Brazil, and can be used in human and animal feeding and as industrial feedstock, especially for its high nutritional quality and versatility in Brazilian cuisine. Only a small slice is intended for consumption of fresh produce. This group of hybrids and, in some cases, varieties serve only a few regions, reducing this percentage to even lower values, and it is common not to occupy 4% of the seed market. This leads producers to apply hybrids targeted to other market niches, which may deliver lower quality product or one that does not meet the basic demands of the consumer market
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