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Removal of pesticide Temik means trouble for cotton industry

Posted: August 24, 2010 - 12:21am

AVALANCHE-JOURNAL

While there is a promising outlook for cotton production this year, South Plains cotton experts said the industry faces a severe problem in the next few years due to the discontinuation of a popular insecticide.

Last week, Bayer CropScience announced it cancelled the re-registration of aldicarb — a registered pesticide sold commercially as Temik — following an agreement with the Environmental Protection Agency.

The German company will phase out the use of Temik on citrus and potatoes by the end of 2011 and eventually discontinue uses on all other crops, such as cotton and peanuts in 2018, said Jack Boyne, director of communications for Bayer CropScience U.S. operations.

Although it is used mainly in the Southeast, Bayer CropScience will stop all sales of Temik worldwide by the end of 2014.

“There is nothing that can compete with Temik today,” said Kerry Siders, AgriLife Extension integrated pest management agent for Cochran and Hockley counties. “I don’t think people realize it’s going to be a major blow to the cotton industry.”

According to the EPA, after conducting a new risk assessment of the insecticide this year, the agency found the product no longer met food safety standards and could bring health problems to young children.

In 2007, Boyne said his company finished the last stage of re-registration, but recent studies showed there were risks of ingesting the chemical through the groundwater or the food supply.

Higher than normal levels of aldicarb may cause sweating, nausea, dizziness and blurred vision, abdominal pain, vomiting and diarrhea, according to the EPA.

Bayer CropScience did not agree with EPA, Boyne said, but it decided to respect the EPA’s decision.

The agreement with EPA does not make Temik a food safety concern, and in the 40 years Temik has been available, there were no problems when the product was used correctly, he said.

As it phases out the production and use of Temik, Bayer CropScience also agreed to change product labels to reduce the amount of Temik applied per acre.

Jason Woodward, an AgriLife Extension plant pathologist, said farmers apply Temik while planting their crop to fend off nematodes, which infect roots and keep the plant from taking in nutrients and water. The microscopic worms reproduce very quickly and cause stunting, reduction in fruit, slower growth and, ultimately, failed acres, he said.

Temik is also effective against aphids and thrips — another type of insect that also feeds on plant foliage and compromises the plant’s health.

“Temik has historically been our commercial standard for both nematodes and thrips,” Woodward said. “I think there’s going to be big shoes to fill from a new product standpoint.”

Other nematode control products are available, but those who have tested those alternative chemicals found they were incomparable both in price and efficacy to Temik.

Siders said nematodes are a serious problem: 80 percent of the cotton production land in Cochran and Hockley counties are infested with southern cotton root-knot nematode. Producers typically apply four to six pounds of Temik per irrigated acre, he said.

Not having Temik or something as effective can determine the difference between having production and not having production, he said.

A Levelland cotton producer said when he tested another nematode control pesticide against Temik, the plot using the other pesticide had half the yield of the plot treated with Temik. He planned to keep using Temik as long as it was available and, simultaneously, search for an alternative option.

Farmers could devote their acres to other crops that are not as affected by nematodes, Siders said, or they may use another, less-effective product. In both cases, agriculture production would change dramatically.

Boyne said there is no exact replacement for Temik in the works, but Bayer CropScience and other companies are experimenting with new nematode-resistant seed varieties and chemicals.

Woodward was optimistic a new product could make its way through the pipeline and onto store shelves in the coming years, but it may be after the final year producers can use Temik.

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Changes to Temik
(Starting in 2011)
Application changes for cotton
•Seven pounds per acre at planting (Previously 10 pounds)
•Five pounds per acre for side-dress applications (Previously 14 pounds)
•12 pounds total applied per acre per season
Application changes for peanuts
•Seven pounds per acre at planting (Previously 10 pounds)
•17 pounds total applied per season

Temik timeline
Dec. 31, 2011
•Use for potatoes and citrus will be completely phased out
•Application changes made for all remaining crops
Dec. 31, 2014
•Bayer CropScience will discontinue sale of Temik in the U.S. and worldwide
Dec. 31, 2016
•Distributors will stops all sales of Temik
Aug. 2018
•Producers will completely discontinue use of Temik
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Another critically important article

Some people may think that phasing out of Temik is not significant. Phasing out of Temik is a huge backward step for cotton production, Nematodes are worm like creatures that attach themselves to roots and are deadly to cotton plants. They attack the root system of a plant.

There is no replacement chemical tool for Temik, therefore such phase out will result in the US becoming uncompetitive in the international cotton market. So what, you say? Without agriculture buying heavy machinery, American's heavy industry will lag. So what? There is one rule about international power: The country that has viable heavy industry can become and can remain a world power. Without heavy industry, America will become vulnerable to its foreign enemies who wish her harm.

Is the EPA on our side? It does not seem like it. When will we smarten up?

In our war against Germany, we bombed a ball bearing factory. This clever move stops the building of machinery because all machines require ball bearings. It's my understanding that all the ball bearings we use in the US are now made in China.

This relates to the Temik story this way. By attacking key components, America's enemies can weaken us. Another example of targeted products is the halt in production of the chemical to carry out executions.

At what point in time to we need to consider as a nation our national security? Should there be a law, and is there already one from the 1950's, that keeps one unelected judge or one unelected bureaucrat from tageting key components that are critcal to our national security?

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