Pacific Northwest 1998 An Online Guide to Plant Disease Control
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Plants Resistant or Susceptible to Verticillium Wilt

Trees

    Resistant or Immune - beech, birch, conifers (all), crabapple, dogwood, eucalyptus, hackberry, hawthorn, honey locus, hornbeam, katsura tree, mountain ash, mulberry, plane tree, poplar, sweetgum, sycamore, and willow.

    Susceptible - ash, black locust, box elder, camphor tree, carob, carrotwood, catalpa, cork tree, elder, elm, flannel bush, fringe tree, golden-rain tree, horse chestnut, Japanese pagoda tree, Kentucky coffee tree, linden*, magnolia, maple*, oak*, peppertree, persimmon, Prunus sp., redbud, Russian olive, sassafras, serviceberry, smoke tree, tree of heaven, tulip tree, tupelo, walnut, and yellowwood.

Shrubs

    Resistant or Immune - arborvitae and juniper.

    Susceptible - fuchsia, heather, lilac, privet, rose, sumac, and Viburnum sp.

Vegetables

    Resistant or Immune - asparagus, bean, lettuce, and pea.

    Susceptible - cabbage, celery, cucumber, eggplant, melons, pepper, potato, pumpkin, radish, rhubarb, and tomato*

Flowers

    Resistant or Immune - African violet, ageratum, baby’s breath, hollyhock, periwinkle, primrose, and zinnia.

    Susceptible - aster, begonia, carnation, chrysanthemum*, dahlia, geranium, impatiens, peony, petunia, snap-dragon, and sunflower.

Fruit


    Resistant or Immune     - apple and pear.

    Susceptible - barberry, black raspberry, blackberry, grape, Prunus sp., raspberry, Ribes sp., strawberry*, and watermelon.

Weeds

    Resistant or Immune - grass and all monocots.

    Susceptible - dandelion, groundsel, lambsquarters, nightshade, pigweed, sagebrush, shepherdspurse, and velvetleaf.

Field crops

    Resistant or Immune - corn and all monocots.

    Susceptible - alfalfa, clover, cotton, hops, mint, rapeseed, and safflower.

Miscellaneous


    Resistant or Immune     - cacti, ferns and gymnosperms.

* Resistant cultivars or species are available.

Note the discolored vascular system due to Verticillium in these longitudinal sections of a vine maple branch.

References: Reference McCain, A.H., R.D. Raabe, and S. Wilhelm. 1981. Plants Resistant or Susceptible to Verticillium Wilt. University of California Leaflet 2703.

Article last updated on January 1, 2009

Edited by Jay W. Pscheidt and Cynthia M. Ocamb, Extension Plant Pathology Specialists, Oregon State University, Corvallis, OR 97331-2903 World Wide Web site and scripting by Eric T. Peterson and Bryan Capitano. Access the Plant Disease Control Guide on-line at HTTP://plant-disease.orst.edu/

Trade-name products are mentioned as illustrations only. This mention does not mean that the Oregon State University Extension Service either endorses these products or intends to discriminate against products not mentioned.

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