Herbicide resistance testing available for horticulture growers

Growers struggling with weed control failures now have the option to determine whether it’s due to herbicide resistance. A team of researchers across Canada are offering testing of suspect weeds for resistance.  These links provide more information on the project and how to get weeds tested: Resistant weed testing is available for horticulture growers If…

Source: Herbicide resistance testing available for horticulture growers

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Managing Winter-Damaged Lavender

This past winter has resulted in significant damage to most lavender cultivars of both Lavandula angustifolia and Lavandula x intermedia (lavandins). Even plants that had row cover on them had damage. The damage to the top of plants is most likely due to the bitter cold and winds at the end of January. It appears the wind went right through the row covers and also would have blown any snow cover off of the top of plants. This resulted in dead patches that face the prevailing north or northwest winds (Figure 1). Continue reading

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2019 Haskap Field Days & Workshops

Ontario haskap growers may be interested in attending the following 2019 haskap field days and workshops:

1.  5th Annual Honeyberry Workshop, hosted by Lovehoneyberry and Les Petits Fruits du Clocher Orchard
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Early Season Management of Phytophthora in Ginseng

After a very wet late summer and fall last year, Phytophthora root rot probably had a chance to spread within low areas of ginseng gardens. Combined with the wet conditions we are currently experiencing, management of Phytophthora leaf blight and root rot will be very important. Traditionally, growers applied Ridomil as the first application of the season. Now, many growers apply Orondis Gold when tops are just beginning to emerge. Since Orondis Gold contains Ridomil as part of the blend, these can be considered the same product for resistance management purposes. Since the labels of Ridomil and Orondis Gold prohibit exceeding a total of 3 applications of metalaxyl-M per season, Orondis Gold should completely replace a Ridomil application and they should not be applied in succession. Continue reading

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2019 IPM Workshops Now Offering CEU Credits

The following FREE workshops are now offering CEUs to Certified Crop Advisors. Sign-up sheets will be available at each session. These workshops are for those who will be scouting horticultural crops this year or looking to refresh their IPM knowledge.

To register, please contact OMAFRA’s Agricultural Information Contact Centre at 1-877-424-1300 or email ag.info.omafra@ontario.ca. Continue reading

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Ensuring a Long Storage Life of Dried Ginseng Roots

Due to a slow selling season this year, some growers may be hanging on to roots for an extended period for future sale. If handled properly, dried ginseng roots should have a long storage life. There is minimal scientific information on the exact storage/shelf-life of ginseng, but by following some basic principles used for other dried root crops, ginseng should still be marketable up to 3 to 5 years after harvest. Continue reading

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Haskap Pruning in Ontario

Evan Elford, OMAFRA New Crop Development Specialist

Pruning is an important part of bushberry management. Like many other bushberry crops, it is important to prune mature haskap plants to increase yields and fruit quality while improving plant vigour and harvesting efficiency. In Ontario, pruning usually occurs on dormant plants (January-March). The later the pruning activities can be scheduled, the better it will be for removing winter damaged material. Pruning can also be performed after the plants have broken dormancy if needed (i.e. typically by late April in Ontario) which can make it easier to determine which branches have winter damage or are diseased and need to be removed (Figure 1). Avoid pruning in the late summer or early fall as this practice can promote the development of new, tender growth which is more susceptible to winter damage.

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