Tag Archives: Basil

Poast Ultra Herbicide Registered for Use on Basil

By Jim Chaput, Minor Use Coordinator, OMAFRA The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor use label expansion registration for POAST® ULTRA Herbicide for control of labeled weeds on basil (fresh and dried) in Canada. … Continue reading

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Basil Downy Mildew Confirmed in Ontario – July 28, 2020

Basil downy mildew has been confirmed in a home garden in Norfolk County. The symptoms first appeared in the past days, which means infection probably occurred over a week ago. It is likely that the disease is present in most … Continue reading

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Basil Downy Mildew Confirmed in Ontario – July 31, 2019

Basil downy mildew has been identified in Norfolk and Prince Edward Counties in Ontario and is likely to be present elsewhere over the next week. Basil downy mildew is a highly destructive disease that can completely defoliate a plant within … Continue reading

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Basil Downy Mildew Update – June 27, 2018

There have been no official reports of basil downy in field grown basil so far this year. However, basil downy mildew is usually present to some extent on greenhouse grown basil in garden centers in the spring. Often the disease … Continue reading

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Basil Update – Downy Mildew Now Widespread

Over the last few weeks, we have had numerous calls from homeowners and growers wondering why their basil is turning yellow and defoliating.  The reason in most cases is downy mildew.  Basil downy mildew seems to be particularly common this … Continue reading

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Basil Downy Mildew Confirmed in Ontario Field Basil

Basil downy mildew has been confirmed in the field in Norfolk County. The affected basil was infected in the field and was not directly exposed to previously infected potted basil plants. This suggests that airborne spores were widespread over the … Continue reading

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