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Oct 7, 2015 · Plants with abnormal growths: The interesting phenomenon of plant fasciation. Gretchen Voyle, Michigan State University Extension - October 07, 2015. Plant fasciation can cause strange growths on stems and flowers, but can easily be pruned out. A ribbon of fasciated stems.
Mar 15, 2024 · Most experts now agree fasciation is caused by random genetic mutation due to frost or physical damage, insect infestation, or a disease organism. The mutation results in flattened stems, a proliferation of flowers and other growths, as on this foxglove. Fasciation is not contagious and may or may not appear next year.
- Emily Hannemann
- What Causes Plant Abnormalities?
- How Do I Tell If My Plant Has Insects?
- Do Weed Killers Cause Plant Abnormalities?
- What Could Cause Abnormal Growth in A Flower?
- Should I Remove Distorted Leaves?
- How Can I Control Distortions of A Plant?
The most common plant abnormalities show up as curled or cupped leaves. Insects, mites, disease organisms, herbicides and weather events can all lead to malformation of leaf, stem, flower or fruit tissue.
Examination of the leaves is the first step in diagnosing the problem. Insects, such as aphids, can be seen unaided, but viruses and mites that cause distortion are often too tiny to see without a tissue analysis or microscope. If you suspect a virus or mite problem, you may need to send a sample to a diagnostic lab.
Weed killers, such as 2,4-D or Weed-N-Feed, sprayed in the affected area can volatilize and drift. Such drifting can curl and cup the foliage on nontargeted plants. Weather events, such as cold temperatures when leaves are emerging from the bud, also can cause leaf malformation.
Distorted, abnormal growth occurring in the flowers of a plant is likely caused by aster yellows. Aster yellows is a disease caused by phytoplasma, which are somewhat like bacteria and cause a variety of unusual and strange symptoms. The heads of flowers may be deformed or lopsided and the flowers may remain yellowish-green, regardless of the varie...
Distorted leaves can be picked off a plant, if insects are the cause. Plants tend to outgrow damage caused by cold injury and low doses of herbicide. If virus or aster yellows is the cause, entire plants must be removed to control the disease.
Control of abnormal, distorted plant-growth problems depends on the actual cause. Clinics located in your local Colorado State University Extension office,local garden centers and nurseries can assist with diagnosis. For more information, see the following Colorado State University Extension fact sheet(s). 1. Fire Blight 2. Recognizing Tomato Probl...
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Fasciation literally means banded or bundled. Scientists aren't sure what causes the deformity, but they believe it is probably caused by a hormonal imbalance. This imbalance may be the result of a random mutation, or it can be caused by insects, diseases, or physical injury to the plant. Think of it as a random occurrence.
A malformation of plant stems commonly appearing as enlargement and flattening as if several stems were fused is called fasciation. Unusual growth, such as a spur on cherry fruit, can also be considered fasciation.
Aug 17, 2022 · The unusual growth is caused by a cellular mutation in the central meristem (the area where undifferentiated cells are actively dividing and growth occurs), usually the apical meristem (growing tips) but it can also occur in other meristem locations, as in the case of bacterial fasciation.
May 23, 2017 · Ever notice strange growths on plants or what appear to be warts on leaves and stems? These might be something called galls. There are many definitions of a “gall”, but today we are talking about “an abnormal growth formed on plants and trees, especially oaks, in response to the presence of insect larvae, mites or fungi [1] .”
