First Wheat Yields Are Available In MU Variety Testing Program F


COLUMBIA, MO.


irst yields from winter wheat harvests are coming in, says Bill Wiebold, University of Missouri Ex- tension agronomist.


“Variety-trial yields look good for three sites in the


Missouri Bootheel,” Wiebold added. “Yields ranged from a high of 96 bushels per acre to a low of 52 bushels.” Average wheat yields were 66 bushels at Chaffee,


79 bushels at Charleston and 73 bushels at Portageville, Mo. Results are posted on the MU website at http://va-


rietytesting.missouri.edu/. The Southeast Region trials contained 65 varieties


of soft red winter wheat. Plots at each site are repli- cated and grown under similar conditions to give a fair comparison, Wiebold said. Farmers use the results to determine which variety


Would You Know A Cotton Fleahopper If You Saw One? DR. SCOTT


STEWART


cotton fleahop- pers, and this pest has also been observed in our neigh-


I’


boring states. The cotton fleahop- per is a green colored plant bug. The adults are about one-half the


JACKSON, TENN.


ve had a couple of reports of


size of tarnished plant bugs. The immatures are smaller,


lack


wings and light green in color. They can cause the shedding of small squares similar to tar- nished plant bug. I dealt with fleahoppers when I


lived in Texas where they use a treatment threshold that ranges anywhere from 10-25 bugs per 100 terminals during the first three weeks of squaring. In my experience, 20-25 fleahoppers per 100 terminals is often enough


CONTINUED ON PAGE 10


to plant this fall. Other plot harvests are underway. Results will be


posted as soon as finished and analyzed. The remaining tests are at Adrian, Hughesville and


Lamar in southwest Missouri. For north Missouri growers, results will be available from Columbia, Nov- elty and Trenton as the wheat ripens. Corn and soybean plots will be harvested this fall


by the MU variety test crew. Those results will be available this fall. “We had to replant several of the corn and soybean


plots,” Wiebold said. “We faced the same weather conditions farmers have dealt with this spring.” The testing program is supported by fees paid by


companies entering seeds in the comparisons. The tests include brand-new varieties and some popular older varieties. Books with additional details on trials for each crop


will be printed when all harvests are completed. The books will be available at local MU Extension offices. “A grower selecting a variety should look at more


than yield,” Wiebold said. “Sometimes stalk strength or disease resistance may be of more importance for a particular farm. However, with the wide range in yields from different varieties, yield must be consid- ered.” The tests are conducted across the state to provide growers in different regions with local comparisons. ∆


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July 1, 2011 / MidAmerica Farmer Grower • 7


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