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Indiana corn hybrid test plots produce strong yields for ’08

By DAVE BLOWER JR.
Farm World Editor

GREENSBURG, Ind. — Strong yields were the result at a corn seed test plot in Southeastern Indiana during this past harvest.

The test, conducted by Farmer’s Independent Research of Seed Technologies (F.I.R.S.T.), included 45 different hybrids. Seed from DeKalb, Trisler and LG Seeds earned the highest marks on the Decatur County farm owned by Jeff and Gorden Smiley.

DeKalb hybrids DKC63-42 and DKC62-54 finished first and second, respectively, in the late-season test. DKC63-42 earned an average yield of 238 bushels per acre, and DKC62-54 pulled in 233.6 bu./acre. Overall, the late-season test averaged 204.7 bu./acre.

“The yields were better than expected with the dry and July and August weather,” F.I.R.S.T. manager Rich Schleuning explained. “There was stalk rot present, but no insect pressure. The crop got off to a good start with excellent emergence and final stand.”
Trisler, which had a third-place hybrid in the late-season test, won the early-season trial. Trisler’s T-6N52VT3 hybrid produced an average of 229 bu./acre. This was more than four bushels higher than LG Seeds hybrid LG2555VT3, which had an average yield of 224.8 bu./acre.

DeKalb also had two hybrids finish third and fourth in the early-season test. DeKalb DKC57-43 produced 219.1 bu./acre, and DeKalb DKC60-51 scored 219 bu./acre. The average for the early-season test was 207.1 bu./acre.

The test field had a silty clay loam soil with a .5 percent slope. The field was well drained and conventionally tilled. Last year’s crop on this site was corn treated with Lumax herbicide.

For both tests, Schleuning planted the field at a rate of 34,000 seeds per acre on April 25. He harvested approximately 33,200 plants per acre on Oct. 21.

Windfall, Ind. corn test

Schleuning was pleased with the results at the Windfall, Ind. test plot.

“This was some of the best grain quality that I have seen,” he reported. “The corn was standing nice for harvest as there was some anthracnose and blight noticeable. With the spring rush this location got sprayed with Roundup, but it had minimal impact on the results.”

The results from this test site are in the charts on page 11.
Ebbert Seed, Beck’s Hybrids and iCORN.com were the top finishers in the early-season test. Ebbert hybrid 2808VT3 scored 233.7 bu./acre to win the trial. Beck’s hybrid 5444VT3 finished second at 229.1 bu./acre, and iCORN.com hybrid 107.VT4 was third at 228.8 bu./acre.

The average yield for the 45 hybrids tested at this location was 216.4 bu./acre.

In the late-season trial, DeKalb, Trisler and LG Seeds grabbed the top three positions. DeKalb hybrid DKC61-19 won the test with a yield of 244.4 bu./acre. Trisler hybrid T-7N88VT3 produced the second-best results at 243.1 bu./acre, and LG Seeds hybrid LG2642VT3 was third with 233.5 bu./acre.

The average yield for the late-season test was 218.2.

The test plot was on the Tipton County farm of Steve Pierce. The field had a silty clay loam soil with a .5 percent slope, and it was well drained. The previous crop on the field was soybeans treated with Canopy, Roundup, Quadris and Warrior.

Schleuning planted the field on April 29 at a rate of 32,000 seeds per acre. He harvested an estimated 30,500 plants per acre on Oct. 22.

A list of all hybrids in this test is available at www.firstseedtests.com

1/7/2009