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Extent of Cold Temperatures in Ontario

Two significant cold temperature events have occurred in Ontario this month. The maps below highlight the extent and distribution of these two frost events.

While significant injury is visible across a wide swath of the province from this past weekends frost, scouting has shown that despite the injury seen on the crop, corn for the most part should be okay since the growing point of most fields remain below the ground. A few more soybean fields experienced damage necessitating replanting.

Much thanks to the folks at Weather INnovations (WIN) for supplying these maps of the cold temperature extent and distribution.


Source: Fieldcropnews


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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.