Tag Archives: witches’ broom

Prunus Witches’ Broom

This gallery contains 2 photos.

  Continuing on the bitter cherry (Prunus emarginata) theme: The yeast-like sac fungus Taphrina confusa induces witches’ brooms on several Prunus species. Although the western choke cherry (P virginiana) and Sierra plum (P subcordata) are most often infected, Leonard and … Continue reading

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Western Dwarf Mistletoe

This gallery contains 8 photos.

Another witches’ broom seems like an appropriate Halloween post. Witches’ brooms are caused by a variety of agents, rust fungi (“Juniper Witches’ Brooms” on 03-10-14), mildews, viruses and mistletoe plants, among others. Mistletoe is host specific. I previously wrote about … Continue reading

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Juniper Witches’ Brooms

This gallery contains 4 photos.

Witches’ brooms on plants are an abnormal cluster of twigs or shoots arising from a single point on a stem or branch and can be caused by physical injury or the invasion of an organism. Mistletoes (see “Mistletoe“, one of … Continue reading

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