We have used Surround successfully.
On 7/27/21 7:28 AM, Goranson Farm wrote:
> We are losing (lost?!) our onion crop to thrips this year. We use
> silver plastic mulch, had well timed applications of Entrust +
> Biolink at 70+ PSI. In the past we have achieved control with Entrust.
> We are guessing the population has developed resistance and that the
> pressure this year is beyond what we've ever experienced. We would
> love to hear others' strategies so we can be prepared for next year.