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New crop pesticide chemistry expands its reach

DuPont to launch Cyazypyr in three new products

A relatively new insecticide chemistry group has yielded its first product able to be used against a "cross-spectrum" of chewing and sucking insects -- and will be aimed against Colorado potato beetles, among others.

DuPont Crop Protection announced Tuesday it has picked up registration from Health Canada's Pest Management Regulatory Agency for the active ingredient cyantraniliprole, which the company has branded Cyazypyr.

Cyazypyr, DuPont said, will be the active ingredient in three new products for the 2013 growing season: Benevia, for use in potato crops; Verimark, a treatment for potato and brassica vegetable plots; and Exirel, for use in fruit and vegetable crops.

"When applied early in the crop life, Cyazypyr can increase the opportunity for improved marketable yield by reducing feeding damage and the impact of insect-vectored diseases," the company said.

Benevia is approved as a cross-spectrum potato crop product to control Colorado potato beetle (including neonicotinoid-resistant beetles) as well as European corn borer and aphids.

Verimark can be used in-furrow and as a seed treatment product for potatoes and as a soil-applied product for brassica vegetables, to control Colorado potato beetle, diamondback moth and swede midge.

Exirel, the fruit and vegetable crop product, is billed as a broad-spectrum control and "a new mode of action for thrips and sucking insects with no cross-resistance to other chemistries."

Cyazypyr comes from Group 28, the diamide group of chemistry, from which the first active ingredient -- Rynaxypyr, the active in DuPont's Coragen and Altacor insecticides -- was launched in 2008.

Cyazypyr is billed as "an excellent option for growers to use in an early application to boost plant establishment and vigour, especially in vegetables," DuPont's market segment manager for specialty products, Ray Janssen, said in the company's release.

"Crops are responding really well and show exceptional plant health at the early stages of the crop life due to the reduction of crop stress."

DuPont said its studies to date show Cyazypyr has low toxicity to birds, fish, mammals, earthworms and microorganisms and "breaks down rapidly in the environment."

Related story:
New mode of bug-killing action registered,
April 21, 2008


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