Anthracnose is a name for a group of diseases caused by several closely related fungi that attack many of our finest shade trees. It occurs most commonly and severely on sycamore, white oak, elm, dogwood, and maple.
Anthracnose appears early in the growing season. It affects many different plants, but seldom kills them. On trees, infected leaves can look burned, much like those produced by leaf scorch in hot, dry weather.
Anthracnose is especially active when the weather is cool and wet. In the spring, monitor the temperature during the two-week period following emergence of the first leaves.
anthracnose
A fungus that forms grayish/whitish spots on leaves and stems.
GardenWeb Glossary of Botanical Terms
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Identifying Spot Anthracnose on Roses
Not much is known about Spot Anthracnose except that it seems to be most severe during the cool moist conditions of Spring.
Anthracnose Anthracnose is a very common fungus that causes tomato fruit to rot. Symptoms: Small, round, sunken spots appear on the fruit. The spots will increase in size and darken in the center. Several spots may merge as they enlarge.
Anthracnose
by National Gardening Association Editors
This fungus occurs worldwide. In North America it is especially troublesome in the humid eastern part of the continent. Beans develop round, black, sunken spots on pods and stems.
Anthracnose
A white/grey fungus that grows as spots on stems and leaves
Axil
The upper angle between a leaf stalk and the stem where new buds and stems arise.
Anthracnose
Symptoms: Black, tan or red spots on leaves; premature leaf drop; black cankers on stems, with a general wilt of branch tips.
Offender: This fungal disease is sometimes called black spot or twig blight.
Anthracnose
A general term (also see Canker) covering a large number of plant diseases sharing similar symptoms, namely patches of dead tissue on leaves or stems.
Anthracnose A fungus disease that causes spots and often death of foliage.
Aquatic plants Plants that grow in, or live in or on water.
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Anthracnose infection causes dark, sunken, soft, and watery spots on fruits.
Bacterial spot appears as small, yellow-green raised spots on young leaves and dark spots with light-colored centers on older leaves.
Bean Anthracnose 1988
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Cucumber Beetles, Corn Rootworms and Bacterial Wilt 1994 ...
Anthracnose Fungus
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Anthracnose, caused by a fungus, creates dark brown, red, or black spots and a pinkish mold on pods or seeds. To prevent, avoid working around wet plants; remove affected plants; rotate crops from year to year.
The most common problems for cornus florida are anthracnose, a fungal disease, and the dogwood borer. Light brown spots on the leaves are the earliest signs of anthracnose.
florida's is susceptible to anthracnose. Kousa dogwood typically grows 20 to 30 feet high and wide but, as it ages, often gets wider than its height. USDA Zones 5 to 8
The beloved flowering dogwood continues to be the target of intense research.
Of these, the most common are: Cymbidium mosaic and tobacco mosaic (caused by viruses); anthracnose, black rot, fusarium wilt, rust, snow mold, southern blight (caused by fungi); and brown spot or leaf spot (caused by bacteria).
Less common infections like spot anthracnose, mosaic, crown gall, leafhoppers, nematodes, rose scale bugs, and spider mites may also take a liking to your floribunda.
Flowering dogwoods in the wild are prone to anthracnose, a serious fungal disease. They are less susceptible in a home landscape, but consequently, a similar but disease-resistant Asian species has become a popular substitute. Kousa dogwood (C.
However, due to their exceedingly slow rate of growth, they occasionally are susceptible to anthracnose or fungal leaf spots, which can be aggravated by perpetual over-watering.
Beans can experience problems from aphids, red spider mites, and bean flies. Also plant diseases such as blight mosaic and anthracnose way present themselves.
1Disease resistance is the tolerance or resistance to the disease indicated under good cultural practices in most seasons; A = anthracnose, DB = double blossom / rosette, and OR = orange rust.
On peach and nectarine, the same fungus causes a disease known as anthracnose, and on grape it causes ripe rot. The primary hosts, however, are apple and pear.
Growing Advice: They are susceptible to borers, anthracnose and other diseases and should be planted in areas where foliage can dry well after dew or rain.
Prize Picks: Cherokee Chief has showy dark ruby-pink bracts.
Japanese beetles, black vine weevil, wooly adelgid, anthracnose; exotic plants aren't the only things invading our landscape. Our plants need to be able to stand up to the bugs and microbes that live here.
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 See also: Plant, Water, Leaf, Flower, Soil
  
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