Invasive kochia has become a common enemy on farms in the western half of the United States. Its herbicide resistance, coupled with its ability to germinate in early spring, survive extreme temperatures, and endure drought and salinity, has made it a pesky weed to eliminate.
Crush kochia with crop, herbicide combinations
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A section of field is displaying kochia emergence before and after cover crops were used.
Emergence of glyposate-resistant kochia for the 2022 (A) and 2023 (B) growing seasons following fall-planted cover crop treatments.
Emergence of glyphosate-resistant kochia for the 2022 (A) and 2023 (B) growing seasons following spring-planted cover crop treatment types.
Daily precipitation and temperature data for the 2022 (A) and 2023 (B) growing seasons in the central Great Plains.
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