Source: SOUTHERN FARM NETWORK, 12/2/19

When weed resistance strikes a field, the most immediate concerns are how to control those weeds and manage their spread. However, when the alarm subsides, it can be important for growers to identify what type of resistance they’re dealing with. And not just what sites of action or herbicide groups the weeds are resistant to, but also the method of resistance that’s underway. Dean Grossnickle, Syngenta agronomy service representative based in central Iowa, explains the two main types of resistance….

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