Winter Gem boxwood--verticillum wilt - Knowledgebase Question

Nampa, Id
Question by phanvey
September 4, 2006
Are Winter Gem Boxwoods susceptible or resistant to verticillium wilt? I have V.W. in my yard and 2 W.Gems that are thriving. I want to get more but read they might be suceptible to V.W. Thanks


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Answer from NGA
September 4, 2006

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Wish there were an easy answer to your question! Verticillium wilt is caused the fungi Verticillium albo-atrum and Verticillium dahliae. These fungi live in the soil and attack plants whose roots are stressed. These fungi may attack more than three hundred woody and herbaceous plant species. Plant susceptibility or resistance may vary from one region to another since the virulence found in the different strains of Verticillium sp. is usually different as well as the genetic resistance of the plant. Cultural practices and environmental conditions can influence the infection of susceptible plants with this disease.

Boxwood are susceptible to Verticillium wilt (especially Korean Boxwood) but as long as you keep your plants as healthy as possible, your boxwoods may never develop the disease.

Best wishes with your landscape.

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