Leaf, or foliar, nematodes (Aphelenchoides species) and bulb and stem nematodes (Ditylenchus dipsaci) cause severe losses in vegetable and ornamental bulb crops, clovers, alfalfa, strawberry, sweet potato, orchids, chrysanthemums, begonias, and ferns.
Do nematodes affect all plants?
There are numerous soil-inhabiting nematode species, but not all are harmful to plants. This information sheet deals only with plant-parasitic nematodes. Within this group, some nematodes spend their life within the plant roots. These are endoparasitic.
What plants are susceptible to nematodes?
Other common garden vegetables grown during mid- to late summer, such as tomato, pepper, cucumber, squash, eggplant, and okra also are highly susceptible to root-knot nematode. Plants growing in nematode-infested soils usually are unthrifty, stunted, yellowish, and have galled and decayed roots.
What plants are not affected by nematodes?
Use of Resistant Varieties Asparagus, onion, and strawberry are resistant to most root-knot nematode populations in Alabama. Refer to table 2 for vegetable varieties resistant to root-knot nematodes.
What plants are resistant to root-knot nematodes?
In the home landscape, some bedding plants are resistant to root-knot nematodes including zinnia, salvia and marigold. Some damage may occur to snapdragons and pansies, especially when plants are stressed. Begonias, coleus and impatiens are most likely to be damaged in areas where root-knot nematodes are a problem.
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