List of azalea diseases
Encyclopedia
This article is a list of diseases of azalea
(Rhododendron spp.).
Azalea
Azaleas are flowering shrubs comprising two of the eight subgenera of the genus Rhododendron, Pentanthera and Tsutsuji . Azaleas bloom in spring, their flowers often lasting several weeks...
(Rhododendron spp.).
| Fungal diseases |
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|---|---|
| Anthracnose | Glomerella cingulata Glomerella cingulata Glomerella cingulata is a plant pathogenic fungus that causes disease on many different hosts including quince and apple bitter rot and anthracnose on many fruit and vegetable species. Glomerella cingulata is the sexual stage while the asexual stage is called Colletotrichum gloeosporioides.-... Colletotrichum gloeosporioides [anamorph] |
| Armillaria root rot (shoestring root rot) | Armillaria mellea Armillaria mellea Armillaria mellea is a plant pathogen and a species of Honey fungus. It causes Armillaria root rot in many plant species. The mushrooms are edible but some people may be intolerant to them. The fungus produces mushrooms around the base of trees it has infected... Rhizomorpha subcorticalis Rhizomorpha subcorticalis Rhizomorpha subcorticalis is a fungus that is a plant pathogen that causes root rot in several species, including strawberries and avocado.- External links :* *... [anamorph] |
| Botrytis petal blight | Botrytis cinerea Botrytis cinerea Botrytis cinerea is a necrotrophic fungus that affects many plant species, although its most notable hosts may be wine grapes. In viticulture, it is commonly known as botrytis bunch rot; in horticulture, it is usually called grey mould or gray mold.The fungus gives rise to two different kinds of... Botryotinia fuckeliana Botryotinia fuckeliana Botryotinia fuckeliana is a plant pathogen, and the causal agent of gray mold disease.The specific epithet was named by mycologist Heinrich Anton de Bary in honor of another mycologist, Karl Wilhelm Gottlieb Leopold Fuckel.... [teleomorph] |
| Bud and twig blight | Pycnostysanus azaleae Pycnostysanus azaleae Pycnostysanus azaleae is an ascomycete fungus that is a plant pathogen.- External links :* *... Cercospora handelii Cercospora handelii Cercospora handelii is a fungal plant pathogen.- External links :* *... |
| Clitocybe root rot (mushroom root rot) | Armillaria tabescens Armillaria tabescens Armillaria tabescens is a species of fungus in the Physalacriaceae family of mushroom. It is a plant pathogen.- External links :* *... Clitocybe tabescens |
| Cylindrocladium blight and root rot | Cylindrocladium scoparium Cylindrocladium floridanum Calonectria kyotensis Calonectria kyotensis Calonectria kyotensis is a fungal plant pathogen.- External links :* *... [teleomorph] Cylindrocladium theae Calonectria theae Calonectria theae Calonectria indusiata is a fungal plant pathogen.- External links :* *... [teleomorph] |
| Damping-off, Pythium | Pythium Pythium Pythium is a genus of parasitic oomycete. Most species are plant parasites, but Pythium insidiosum is an important pathogen of animals... spp. Pythium irregulare Pythium irregulare Pythium irregulare is a plant pathogen.- External links :**... |
| Damping-off, Rhizoctonia | Rhizoctonia solani Rhizoctonia solani Rhizoctonia solani is a plant pathogenic fungus with a wide host range and worldwide distribution. This plant pathogen was discovered more than 100 years ago. Rhizoctonia solani frequently exists as thread-like growth on plants or in culture. Asexual spores are not produced, only the sexual stage... Thanatephorus cucumeris [teleomorph] |
| Exobasidium leaf spot | Exobasidium burtii Exobasidium burtii Exobasidium burtii is a species of fungus in the Exobasidiaceae family. It is a plant pathogen.- External links :* *... |
| Leaf scorch | Septoria azalea Septoria azalea Septoria azalea is a fungal plant pathogen.- External links :* *... |
| Leaf and flower gall | Exobasidium vaccinii Exobasidium azaleae |
| Ovulinia petal blight | Ovulinia azaleae Ovulinia azaleae Ovulinia azaleae is a plant pathogen.- External links :* *... Ovulitis azaleae Ovulitis azaleae Ovulitis azaleae is a plant pathogen.- External links :* *... [anamorph] |
| Pestalotia leaf spot twig blight, and crown rot | Pestalotiopsis sydowiana Pestalotiopsis sydowiana Pestalotiopsis sydowiana is a plant pathogen.- External links :* *... Pestalotia rhododendri Pestalotia rhododendri Pestalotia rhododendri is a plant pathogen.- External links :* *... |
| Phomopsis dieback | Phomopsis Phomopsis Phomopsis is a genus of ascomyceta fungi.-Species:Species include:* Phomopsis arnoldiae* Phomopsis asparagi* Phomopsis asparagicola* Phomopsis cannabina* Phomopsis caricae-papayae* Phomopsis coffeae* Phomopsis elaeagni... spp. |
| Phyllosticta leaf spot | Phyllosticta Phyllosticta Phyllosticta is a genus of fungi. Many of the species in this genus are plant pathogens.-Species:*Phyllosticta aberiae*Phyllosticta abietis*Phyllosticta abortiva*Phyllosticta abramovii*Phyllosticta abricola... spp. |
| Phytophthora blight and dieback | Phytophthora nicotianae var. parasitica Phytophthora parasitica |
| Phytophthora root rot and wilt | Phytophthora cinnamomi Phytophthora cinnamomi Phytophthora cinnamomi is a soil-borne water mould that produces an infection which causes a condition in plants called root rot or dieback. The plant pathogen is one of the world's most invasive species and is present in over 70 countries from around the world.- Life cycle and effects on plants :P... Phytophthora nicotianae var. parasitica |
| Powdery mildew | Erysiphe polygoni Microsphaera penicillata Microsphaera penicillata Microsphaera penicillata is a plant pathogen that causes powdery mildew on sycamore.- External links :* *... |
| Pucciniastrum leaf rust | Pucciniastrum vaccinii |
| Twig blight | Monilinia azaleae Monilinia azaleae Monilinia azaleae is a plant pathogen.- External links :* *... |
| Web blight | Rhizoctonia ramicola Ceratobasidium ramicola Ceratobasidium ramicola Ceratobasidium ramicola is a plant pathogen.- External links :* *... [teleomorph] Rhizoctonia Rhizoctonia Rhizoctonia is a genus of anamorphic fungi in the order Cantharellales. Species do not produce spores, but are composed of hyphae and sclerotia and are asexual states of fungi in the genus Thanatephorus. Rhizoctonia species are saprotrophic, but are also facultative plant pathogens, causing... sp. (binucleate) |
Nematodes, parasitic
| Nematodes, parasitic |
|
|---|---|
| Dagger, American | Xiphinema americanum |
| Pin | Paratylenchus curvitatus |
| Root-knot | Meloidogyne spp. |
| Sheath | Hemicycliophora spp. |
| Spiral | Rotylenchus buxophilus R. robustus |
| Stubby-root | Paratrichodorus minor |
| Stunt | Tylenchorhynchus claytoni |