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News and comment on genetically modified foods and their associated pesticides    
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INTRODUCTION TO GM

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SCIENCE SUPPORTS REGULATION OF GENE EDITING

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Damaged DNA on fire

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Damaged DNA

GMO Bt crops on the chopping block due to insect resistance

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Published: 30 September 2020
Twitter

EPA proposes phasing out dozens of Bt corn and cotton products

There is now just ONE Bt trait left on the market without documented insect resistance.

Even the claim that Bt seeds reduced insecticide use pre-resistance was questionable, as Bt seeds are mostly treated with neonicotinoid insecticides – neonic seed treatments rose in parallel with Bt crops.
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Bt on the chopping block

Emily Unglesbee
DTN Progressive Farmer, 29 Sept 2020
https://www.dtnpf.com/agriculture/web/ag/crops/article/2020/09/29/epa-proposes-phasing-dozens-bt-corn

* EPA proposes phasing out dozens of Bt corn and cotton products

In an effort to stave off above-ground insect resistance, the EPA is proposing phasing out many current Bt corn hybrids, as well as some Bt cotton varieties, in the next three-to-five years.

Essentially, all Bt corn hybrids and cotton varieties that don't include Syngenta's Vip3A protein, the lone Bt trait on the market without documented insect resistance, are being considered for a national phase-out.

The proposal suggests removing many common and popular Bt-traited corn products, as well as one new rootworm trait package with a unique RNAi mode of action - SmartStax PRO - that hasn't yet been commercialized.

The phase-out plan, found in EPA's recent publication, "EPA Draft Proposal to Address Resistance Risks to Lepidopteran Pests of Bt," is only a proposal for now. EPA is seeking public comment from all stakeholders, including farmers, through Nov. 9, 2020. You can comment here:
https://www.regulations.gov/docket?D=EPA-HQ-OPP-2019-0682

Here is a comprehensive list, based on DTN's analysis of the EPA proposal, of every corn hybrid and cotton variety up for phase-out over the next three-to-five years, organized by their original registrant.

THREE-YEAR CORN PHASE-OUT

PIONEER & DOW AGROSCIENCES (Now under Corteva)

Herculex I; Herculex I Insect Protection
EPA Reg. No.: 68467-2; 29964-3
Bt trait: Cry1F

Herculex XTRA Insect Protection
EPA Reg. No.: 29964-5; 29964-17; 68467-6
Bt Traits: Cry1F + Cry34/35Ab1

PIONEER (Now under Corteva)

Optimum AcreMax l
EPA Reg. No.. 29964-6
Bt Traits: Cry1F + Cry34/35Ab1 seed blend

Optimum TRIsect
EPA Reg. No.: 29964-13
Bt Traits: Cry1F + mCry3A

SYNGENTA

Agrisure CB/LL; Agrisure GT/CB/LL; Agrisure 3010; Agrisure Artesian 3010A
EPA Reg. No.: 67979-1
Bt Trait: Cry1Ab

Agrisure CB/RW; Agrisure 3000GT; Agrisure 3011A
EPA Reg. No.: 67979-8
Bt Traits: Cry1Ab + mCry3A

Attribute Insect Protected Sweet Corn
EPA Reg. No.: 65268-1
Bt Trait: Cry1Ab

MONSANTO (Now under Bayer)

YieldGard Corn Borer
EPA Reg. No.: 524-489
Bt Trait: Cry1Ab

FIVE-YEAR CORN PHASE-OUT

PIONEER (Now under Corteva)

Optimum Intrasect
EPA Reg. No.: 29964-7
Bt Traits: Cry1Ab + Cry1F

Optimum AcreMax Insect Protection
EPA Reg. No.: 29964-12
Bt Traits: Cry1F + Cry1Ab seed blend

 

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