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Optimum® AQUAmax™ Hybrid Grower Systems Trials

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Objective

  • The goal of these trials was to compare the performance of Optimum® AQUAmax™ hybrids (AQUA in Chart 1 and Chart 2) at an increased seeding rate of 5,000 seeds/acre over the grower-selected check hybrid at their selected seeding rate.

Study Description

  • At each location, growers were asked to plant their best current hybrid and an Optimum AQUAmax hybrid in a side-by-side comparison in field-length replicated strips.
  • The growers were also asked to increase the seeding rates by 5,000 seeds/acre.
  • The hybrids compared were similar in relative maturity and could be Pioneer® brand or competitive hybrids.

Locations

  • 289 locations from 2010-2012

Results

  • Optimum AQUAmax hybrids outyielded the grower-selected hybrids at both the grower-selected seeding rate and the increased seeding rate by 5 bu/acre and 6 bu/acre, respectively.

Chart 1. Yield advantage of Optimum AQUAmax hybrids over grower-
selected hybrids at both the grower-selected seeding rate and a higher
seeding rate (4,000 to 5,000 seeds/acre higher rate) across 289 trials.

  • The Optimum AQUAmax hybrids at the increased seeding rate outyielded the grower-selected hybrid and seeding rate at 221 out of 289 locations.

Chart 2. Individual location yield advantage of Optimum AQUAmax
hybrids when seeding rates were increased by approximately 5,000
seeds/acre compared to grower-selected hybrids at normal seeding
rates.

PIONEER® brand products are provided subject to the terms and conditions of purchase which are part of the labeling and purchase documents. 2012 data are based on average of all comparisons made in 289 locations through January 3, 2013. Multi-year and multi-location is a better predictor of future performance. Do not use these or any other data from a limited number of trials as a significant factor in product selection.
Product performance in water-limited environments is variable and depends on many factors such as the severity and timing of moisture deficiency, heat stress, soil type, management practices and environmental stress, as well as disease and pest pressures. All hybrids may exhibit reduced yield under water and heat stress. Individual results may vary.