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August 1, 2014
STUTTGART, Ark. – The University of Arkansas System Division of Agriculture on released
two new long grain rice varieties, and showcased a medium grain that could be grown
for the breakfast aisle as early as next year – all part of the fourth annual Arkansas
The Rice Expo, held Friday at the Grand Prairie Center and the Rice Research and Extension
Center, celebrates Arkansas’ rank as the nation’s top rice-growing state.
The releases were highlighted during research tours by Division of Agriculture scientists
at the Rice Research and Extension Center. There, visitors could stop at seven sites
in the fields where the researchers offered advice to producers and explained their
findings and prospects for future work.
Long, plump kernels
Rice breeder Karen Moldenhauer reviewed two new varieties being released by the Division
of Agriculture, CL172 and LaKast. Both varieties have excellent rough rice yields
with good milling yields, Moldenhauer said. Both also have typical southern U.S long-grain
cooking quality. CL172 is resistant to a disease called blast in Arkansas conditions
similar to the Katy, Kaybonnet and Drew varieties.
LaKast is blast susceptible in Arkansas conditions similar to the Wells and Roy J
varieties. “If you can maintain your flood and you don’t grow it where you set yourself
up to have a bad blast situation in areas with trees around the field etc., we don’t
have a problem with blast on the variety,” Moldenhauer said.
CL172 has grain weight and size similar to the Wells and Roy J varieties and a “nice,
long, plump kernel,” Moldenhauer said. LaKast also has a grain weight similar to Wells
and a kernel length of 7.6 mm, one of the longest kernels of commercially available
“From a quality standpoint, it’s a good variety,” Moldenhauer said of LaKast. “It
has had a stable high-yield potential over the last four years in the Arkansas performance
trials. In 2010 when it was very hot, it still had a high yield compared to other
varieties, yielding about 194 bushels per acre.”
Bound for cereal bowls
Rice breeder Xueyan Sha discussed the medium-grain breeding program and said a promising
conventional experimental line 13AR1021 is likely to be released in 2015. “In the
last two years in multi-state, multi-location trials, it performed very well,” Sha
said. “It has a very good yield potential and very good milling and superior grain
quality, which is a big plus for us. So far all the feedback from rice mills and processors,
including Kellogg’s, is positive.”
Soil scientist Trent Roberts reviewed nitrogen management and noted the recent expansion
around the state of the Division’s N-STaR, Nitrogen Soil Test for Rice, program. “This
spring with increased rainfall we had several problems with pre-flood nitrogen management,”
said Roberts, who reviewed proper ways to manage pre-flood nitrogen on wet soils.
He explained how to use the GreenSeeker, a hand-held crop sensor, “which will allow
us to determine midseason nitrogen needs and will be especially beneficial in areas
where pre-flood nitrogen was mismanaged.”
Christopher Henry, an extension water management engineer for the University of Arkansas
System Division of Agriculture, explained how farmers can get involved with the state
water plan and how the new technology can be used to improve their bottom line. Extension
Weed Scientist Bob Scott discussed drift and weed control technologies. Gus Lorenz,
an extension entomologist, covered insect management issues and extension’s Jarrod
Hardke reviewed rice agronomy issues.
Rice Expo is significant because it “provides opportunity to see the latest research
and come and visualize some things rather than just read about it from a book,” said
Baker Fullerton, a rice consultant from DeWitt.
He has been attending Rice Expo for many years, he said. He attended to get some updates
on the newest advancement in agriculture.
For more information about crop production, visit http://arkansascrops.com or visit www.uaex.uada.edu.
The Arkansas Cooperative Extension Service offers its programs to all eligible persons
regardless of race, color, sex, gender identity, sexual orientation, national origin,
religion, age, disability, marital or veteran status, genetic information, or any
other legally protected status, and is an Affirmative Action/Equal Opportunity Employer.
By Dave EdmarkUniversity of Arkansas System Division of Agriculture
Media Contact: Dave Edmark (479) email@example.com