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Marrone Bio Innovations submits weed killer for EPA registration

By From page A8 | March 03, 2013

Marrone Bio Innovations Inc., a Davis company that produces natural pest management products for the agricultural and water treatment markets, has submitted a new bioherbicide, MBI-011 EP, to the U.S. Environmental Protection Agency. This is the second such product submitted for approval; MBI-005 was approved by the EPA in 2012.

MBI-011 EP is being submitted for control of annual and perennial grass and broadleaf weeds in the agricultural, non-crop and consumer home and garden markets.

Phyllis Himmel, MBI vice president of research and development, said the product got its start when one of MBI’s chemists screened for herbicidal activity of medicinal herbs. During the testing of 350 different herbs, an extract of dry long pepper (Piper longum L.) fruits showed activity against lettuce seedlings. This active ingredient was identified as sarmentine, a naturally occurring compound that gives black pepper its pungent aroma.

The new bioherbicide offers broad-spectrum control and will provide an alternative to herbicides that are highly prone to resistance, a news release said.

According to the International Survey of Herbicide Resistant Weeds, weeds have developed resistance to 148 different herbicides in 63 crops in 61 countries.

“With the continuing and widespread identification of herbicide-resistant weeds, we are very excited about submitting this product for registration,” said Pam Marrone, CEO. “It has become increasingly clear that no one product can be the ultimate solution to a weed problem and herbicide users need an array of tools to combat weeds.

“One of the most important benefits we provide users of all our biopesticide products is helping them strengthen their integrated resistance management programs. With our new herbicide, we believe we are making a positive contribution in this area.”

Enterprise staff

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