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Difficult Year For Weed Control

2021 was a difficult year for weed control.

Kim Brown-Livingston is the province's weed specialist.

"We were so very dry at the beginning. We didn't have a lot of weeds come up and then after that we got little flushes of rain and so some of the weeds were coming but it was really difficult for guys to spray...Then we had a terrible time in spray season. We did not have a lot a good days for spraying. We either had high winds or we had a lot of temperature extremes."

She reminds farmers to be on the lookout for waterhemp.

"We are finding pockets of it and it is a Tier 1 noxious weed. It must be destroyed, we can't let it go to seed. It has to be destroyed, there's no exception to that. These are terrible weeds. Tier 1 weeds are very competitive weeds that can cause an awful lot of economic loss and especially something like a waterhemp if it gets into our crop land and really limits growing crops like soybeans and corn and sunflowers, because a lot of our herbicide options are limited in those crops."

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LALEXPERT: Sclerotinia cycle and prophylactic methods

Video: LALEXPERT: Sclerotinia cycle and prophylactic methods

White rot, also known as sclerotinia, is a common agricultural fungal disease caused by various virulent species of Sclerotinia. It initially affects the root system (mycelium) before spreading to the aerial parts through the dissemination of spores.

Sclerotinia is undoubtedly a disease of major economic importance, and very damaging in the event of a heavy attack.

All these attacks come from the primary inoculum stored in the soil: sclerotia. These forms of resistance can survive in the soil for over 10 years, maintaining constant contamination of susceptible host crops, causing symptoms on the crop and replenishing the soil inoculum with new sclerotia.