Herbicide Tolerant Camelina Supports Large Acre Production

Cindy Zimmerman

Yield10 Bioscience announces positive results in the first field test of stacked herbicide tolerance (“HT”) traits in Camelina, which will help support grower adoption for the biofuel feedstock market by enabling weed control and increased access to acreage previously treated with Group 2 herbicides. Yield10 is executing a program to develop and commercialize spring and winter Camelina varieties with stacked herbicide traits to achieve large acreage adoption of the crop in North America.

Drone photo of a portion of Yield10 Bioscience’s field planted with stacked HT Camelina demonstrating tolerance to an over-the-top herbicide application as well as tolerance to soil residual Group 2 herbicides

In the second quarter of 2023, Yield10 researchers initiated the first field tests of candidate E3902 spring Camelina lines deployed with stacked HT traits intended to provide the plants with tolerance to the application of an over-the-top broadleaf herbicide for weed control as well as tolerance to soil residues of Group 2 herbicides, specifically including tolerance to both imidazolinones (“IMI”) and sulfonylureas (“SU”). Preliminary results of these field tests indicate that these Camelina lines demonstrate tolerance to both target herbicide chemistries. By comparison, significant injury was observed to control E3902 Camelina plants following application of an over-the-top herbicide and exposure to increasing concentrations of IMI or SU soil residues. Group 2 herbicides are commonly used to manage weeds in cereal and other crop rotations and can persist in the soil for months following use. Yield10 intends to harvest the plants and collect seed yield and oil yield data in the weeks ahead with the goal of selecting lead and back-up stacked HT spring E3902 Camelina lines for commercial development and seed scale-up.

In addition to its program for spring Camelina, Yield10 researchers have also developed candidate stacked HT traits in a winter Camelina variety, and the first field tests of these stacked HT Camelina lines are planned for the fall of 2023. In the second quarter of 2023, Yield10 filed a request for Regulatory Status Review (RSR) with USDA-APHIS Biotechnology Regulatory Services (BRS) for stacked herbicide tolerant Camelina under the SECURE Rule, and a response from the agency is pending.

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biofuels, feedstocks