Silage and grain performance trials were planted at 14 locations in four production zones: the southern, south-central, north central and northern zones. Both seed companies and university researchers submitted hybrids.
Silage and grain yields were above normal compared to the 10-year average at early planted sites. Fall weather conditions, although dry, were ideal for harvest and fall farm work.
At most locations, trials were divided into early and late maturity trials based on the hybrid relative maturities provided by the companies. The specific relative maturities separating early and late trials arelisted in the tables.
Frequent rains caused delays, with many growers in central Wisconsin not planting until the end of June. Over the entire growing season, growing degree-day accumulation was below the 30-year normal in both northern and southern Wisconsin. During May and June precipitation was significantly above average throughout the state.
Later during the growing season, many areas of western Wisconsin were affected by drought in August and September. Some fields planted later were still green with high moisture once the harvest season began. At the beginning of the harvest season, some later-planted fields were still green with high grain moisture.
Due to a dry and relatively warm September and October, however, good grain drying occurred in early plantings, with harvest grain moisture normal in all trials. Test weight was above average for most locations. Little insect or disease pressure was observed in the trials.
The results provide an independent, objective evaluation of the performance of unfamiliar hybrids that seed company sales representatives are promoting, as well as a comparison of these unfamiliar hybrids with competitive hybrids. To see the tables and suggestions, click on the hyperlink above. FG
—From University of Wisconsin corn evaluation program
Forage Industry News
Silage part of Wisconsin corn hybrid performance trials
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