Tag Archives: Diseases

Root Lesion Nematodes vs Rusty Root: What is Affecting Your Ginseng?

There has been a lot of confusion on what is causing rusty symptoms and constrictions on ginseng roots. Some growers assume it is all root lesion nematode damage, but some damage seems to occur where no root lesion nematodes can … Continue reading

Posted in Ginseng, Ginseng Pest Management | Tagged , | Leave a comment

Ginseng Crop Update – July 14, 2017

We have had about 36 straight hours of leaf wetness over the past two days. This combined with heavy downpours and moderate temperatures both day and night are perfect conditions for the development of foliar Phytophthora. Re-application of foliar fungicides … Continue reading

Posted in Ginseng, Ginseng Pest Management | Tagged , | Leave a comment

Lavender Crop Update – June 23, 2017

The first lavender cultivars are close to bloom in some areas and the harvest season will begin shortly (Fig. 1). For bundles and buds, it is best to harvest near the time the first buds begin to open. This is … Continue reading

Posted in Herbs, Lavender | Tagged , , , , | Leave a comment

Ginseng Crop Update – June 23, 2017

While the amount of rainfall has been highly variable across the ginseng growing area, all areas have received periodic showers this week that has resulted in long periods of leaf wetness. Foliar Phytophthora is still active in several farms and … Continue reading

Posted in Ginseng, Ginseng Other, Ginseng Pest Management, Ginseng Production | Tagged , , , | Leave a comment

Lavender Crop Update – June 9, 2017

Finally it is warming up and lavender should progress very quickly over the next week. The earliest cultivars are starting to show bud colour (Fig. 1), which suggests the beginning of bloom is about 2 weeks away. It is looking … Continue reading

Posted in Herbs, Lavender | Tagged , , , | Leave a comment

Ginseng Crop Update – June 8, 2017

Over the past week there have been confirmations of both foliar and root Phytophthora, Alternaria on stems and leaves, active grub feeding, leafrollers, and slugs. Many of these issues are not too surprising for this time of year. Foliar Phytophthora … Continue reading

Posted in Ginseng, Ginseng Pest Management | Tagged , , , | Leave a comment

Ginseng Crop Update – May 26, 2017

As experienced growers will already know, the risks of all foliar diseases of ginseng along with Phytophthora root rot are high following the heavy rains. Ensure protection from foliar and root Phytophthora, Alternaria and Botrytis at this time. ┬áDisease pressure … Continue reading

Posted in Ginseng, Ginseng Pest Management | Tagged , , , | Leave a comment