Navigation Links
Dow AgriSciences, MU researcher develop a way to control 'superweed'
Date:1/21/2011

COLUMBIA, Mo. They pop up in farm fields across 22 states, and they've been called the single largest threat to production agriculture that farmers have ever seen. They are "superweeds" undesirable plants that can tolerate multiple herbicides, including the popular gylphosate, also known as RoundUp and they cost time and money because the only real solution is for farmers to plow them out of the field before they suffocate corn, soybeans or cotton. Now, thanks to the work of researchers at Dow AgroSciences, LLC, who have been collaborating with a University of Missouri researcher, a new weapon may be on the horizon to eliminate superweeds.

Zhanyuan Zhang, a research associate professor of plant sciences and director of the MU Plant Transformation Core facility, partnered with research scientists at Dow AgroSciences, LLC, to engineer soybean plants that can tolerate an alternative herbicide that may help slow the spread of superweeds, such as tall waterhemp.

According to an article in the May 3 edition of the New York Times, farmers considered RoundUp a "miracle chemical" when it was introduced because it killed a wide variety of weeds, is safe to work with, and broke down quickly, reducing environmental impact. However, weeds quickly evolved to survive gylphosate, and that threatened to reverse an agricultural advance known as minimum-till farming. As the superweeds survive in the fields, farmers must spend more time to get rid of them, even going so far as pulling the weeds by hand. The Times noted that there were 10 resistant species in at least 22 states infesting millions of acres of farmland.

Using a massive genetic database and a bioinformatic approach, Dow AgroSciences researchers identified two bacterial enzymes that, when transformed into plants, conferred resistance to an herbicide called "2,4-D," commonly used in controlling dandelions. The enzymes were successfully put into corn and soybean plants, and those new plants showed excellent resistance to 2,4-D, including no negative effects on yield or other agronomic traits. Other advantages of 2,4-D include low cost, short environmental persistence, and low toxicity to humans and wildlife.

"Unlike glyphosate, which targets amino acid synthesis, 2,4-D is a hormone regulator. Because it has a different mode of action, 2,4-D is an ideal herbicide to deal with glyphosate-resistant weeds," said Zhang, who managed the soybean transformation portion of the study and contributed to some data analysis.

Zhang believes that 2,4-D could eventually be combined with other herbicides in the near future. In the meantime, Zhang says an integrated weed management plan can help farmers be productive and ultimately save money for the consumer.

"The less chemicals farmers use in the field, the less money they spend on production," said Zhang. "That leads to less cost for the consumer, as well as improved food safety and environmental safety."


'/>"/>

Contact: Steven Adams
AdamsST@missouri.edu
573-882-8353
University of Missouri-Columbia
Source:Eurekalert

Related biology news :

1. Go figure: Math model may help researchers with stem cell, cancer therapies
2. Researchers discover giant crayfish species right under their noses
3. Researchers unlock how progesterone increases breast cancer risk
4. In scientific first, researchers visualize naturally occurring mRNA
5. Researchers report on the early development of anti-HIV neutralizing antibodies
6. Researchers learn why PSA levels reflect prostate cancer progression
7. Adrenaline receptor frozen in action by VIB researchers
8. Researchers show how 1 gene becomes 2 (with different functions)
9. Technique allows researchers to identify key maize genes for increased yield
10. University of Houston researchers helping Pentagon build mind-controlled prosthetics
11. Researchers show environmental changes may affect vital cooperate bird behaviors
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:5/16/2017)... TEANECK, N.J. , May 16, 2017  Veratad ... leading provider of online age and identity verification solutions, ... the K(NO)W Identity Conference 2017, May 15 thru May ... Ronald Regan Building and International Trade Center. ... across the globe and in today,s quickly evolving digital ...
(Date:4/18/2017)... -- Socionext Inc., a global expert in SoC-based imaging and computing solutions, ... which features the company,s hybrid codec technology. A demonstration utilizing TeraFaces ... will be showcased during the upcoming Medtec Japan at Tokyo Big ... Las Vegas Convention Center April 24-27. ... Click here for an image of ...
(Date:4/11/2017)... DUBLIN , Apr. 11, 2017 Research ... Tracking Market 2017-2021" report to their offering. ... The global eye tracking market to grow at ... The report, Global Eye Tracking Market 2017-2021, has been prepared based ... report covers the market landscape and its growth prospects over the ...
Breaking Biology News(10 mins):
(Date:6/22/2017)... ... 2017 , ... For the months of May and June, ... series on “Cell Therapy Regulation” for its regenerative medicine followship. The ... regulatory challenges of stem cell medical research. , Stem cell clinical trials present ...
(Date:6/22/2017)... ... , ... Charm Sciences, Inc. is pleased to announce that its Charm Amphenicol ... as a screening test at dairies and farms for raw commingled cow milk. The ... EZ Lite system. These systems are a combination incubator and reader in one. , ...
(Date:6/20/2017)...  Kibow Biotech Inc., a pioneer in developing "Enteric ... a new patent covering a unique method for preventing ... and Trademark Office on May 23 rd 2017. ... Bio award in 2014 in San Diego, ... to chronic disease. Renadyl™, the first and only dietary ...
(Date:6/19/2017)... ... 2017 , ... As Vice President, Product Services, Mr. Guinter ... support, and client process and SOP development. , Mr. Guinter brings a wealth ... for service providers and top-tier pharmaceuticals, and as an independent consultant supported a ...
Breaking Biology Technology: