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By the end of 2023 Oregon will eliminate most uses of chlorpyrifos

The Oregon Department of Agriculture (ODA) submitted administrative rules to the Secretary of State that limit the uses of the insecticide chlorpyrifos immediately and phase out nearly all uses by December 31, 2023. The nearly 3 year phase…

US EPA proposes registration of new herbicide to aid in resistance management

U.S. EPA is proposing to register a new active ingredient, tiafenacil, a contact herbicide. EPA proposes tiafenacil for pre-plant and pre-emergence burndown use in corn (all types except sweet corn), cotton, soybeans and wheat. Proposed post-emergence…

US EPA Opens Comment Period on Pyridate Proposed Decision

U.S. EPA is taking comments on pyridate, a pesticide active ingredient that could help consumers with weed management and resistance. EPA has opened a 30-day comment period on the Agency’s proposed decision to register one technical product…

US EPA Proposes Registration of Pesticide Containing New Microbial Active Ingredient

The U.S. Environmental Protection Agency (EPA) is opening a 15-day comment period on a proposal to register a pesticide product, Vintec, that contains the new microbial active ingredient Trichoderma atroviride strain SC1 (T. atroviride SC1). T.…

US EPA responds to Ninth Circuit Vacatur of dicamba registrations

U.S. Environmental Protection Agency (EPA) Administrator Andrew Wheeler released the following statement on the Ninth Circuit Vacatur of dicamba registrations: "We are disappointed with the decision. The 2020 growing season is well underway…

Canada approved 12 new pesticide active ingredients in 2018–19

In 2018–2019 (from April 1, 2018 to March 31, 2019), 12 new active ingredients (the substance with the pesticidal effect) were registered for use in Canada, resulting in the registration of 23 new related end-use products (different formulations…

USDA Advisory Committee recommends diacamba registration not be renewed

A USDA advisory committee is recommending that "due to the overwhelming reports of dicamba volatilization," registrations for dicamba herbicides such as Xtendimax and Engenia not be renewed for in-crop use in soybeans and cotton when they expire…

US EPA proposes new atrazine herbicide measures

The U.S. Environmental Protection Agency issued a proposed interim registration decision on atrazine that includes mandatory spray drift control measures and other label updates. The proposal is part of the agency’s re-registration review…

Chlorpyrifos ban proposed in Washington legislature

The pesticide chlorpyrifos would be banned in Washington except for use on three crops under a bill introduced Jan. 20 in the state Senate. Mint, onion and sweet corn growers would be able to use the chemical. Other farmers could apply for…