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Australian Herbicide Resistance Initiative (AHRI)

First report of propyzamide resistance

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Australian Herbicide Resistance Initiative (AHRI)

First report of propyzamide resistance

When your job is as an agronomist or weeds expert, it’s important to have a spectacular, weed-free lawn. Any agronomist worth their salt knows that propyzamide applied in autumn, just before the winter rains, is the answer to your winter grass (Poa annua) problems. Greenkeepers from the golf courses of the world also know how good propyzamide is on winter grass, or annual bluegrass as it’s known in the USA, and they liberally apply it at least once a year. It’ll come as no surprise to you that this practice has now resulted in the world’s first documented case of…

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