List of rhododendron diseases
Encyclopedia
Bacterial diseases
| Bacterial diseases |
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|---|---|
| Crown gall | Agrobacterium tumefaciens Agrobacterium tumefaciens Agrobacterium tumefaciens is the causal agent of crown gall disease in over 140 species of dicot. It is a rod shaped, Gram negative soil bacterium... |
Fungal diseases
| Fungal diseases |
|
|---|---|
| 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] |
| Botryosphaeria dieback | Botryosphaeria dothidea Botryosphaeria dothidea Botryosphaeria dothidea is a plant pathogen that causes the formation of cankers on a wide variety of tree species.- External links :**... Fusicoccum aesculi Fusicoccum aesculi Fusicoccum aesculi is a fungus. It is a plant pathogen.- External links :**... [anamorph] |
| Botrytis leaf and 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 :* *... |
| Chrysomyxa leaf rust | Chrysomyxa ledi var. rhododendri Chrysomyxa ledi var. rhododendri Chrysomyxa ledi var. rhododendri is a plant pathogen responsible for the disease spruce needle rust.It is present in European mountains, and especially in Switzerland in Grisons and Ticino between 1,000 and 2,000 metres.... Chrysomyxa piperiana Chrysomyxa piperiana Chrysomyxa piperiana is a plant pathogen.- External links :... Chrysomyxa roanensis Chrysomyxa roanensis Chrysomyxa roanensis is a 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 :* *... Cryptostictis mariae |
| Cylindrocarpon canker and wilt | Cylindrocarpon destructans Cylindrocarpon radicicola |
| 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. |
| 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 :* *... |
| Glomerella canker and dieback | 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] |
| Gray blight | Pestalotia sydowiana |
| Leaf and flower gall | Exobasidium vaccinii Exobasidium azaleae |
| Lophodermium leaf spot | Lophodermium schweinitzii Lophodermium schweinitzii Lophodermium schweinitzii is a plant pathogen.- External links :* *... |
| 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] |
| Pestalosphaeria leaf spot | Pestalosphaeria concentrica Pestalosphaeria concentrica Pestalosphaeria concentrica is a plant pathogen.- External links :... Pestalotiopsis guepini Pestalotiopsis guepini Pestalotiopsis guepini is a plant pathogen.- External links :***... [anamorph] |
| Pestalotia leaf spot | Pestalotiopsis sydowiana Pestalotiopsis sydowiana Pestalotiopsis sydowiana is a plant pathogen.- External links :* *... Pestalotia rhododendri Pestalotia rhododendri Pestalotia rhododendri is a plant pathogen.- External links :* *... |
| Phymatotrichum root rot (cotton root rot) | Phymatotrichopsis omnivora Phymatotrichum omnivorum |
| Phytophthora dieback | Phytophthora nicotianae var. parasitica Phytophthora parasitica Phytophthora cactorum Phytophthora cactorum Phytophthora cactorum is a plant pathogen that causes root rot on rhododendron and many other species.- External links :* *... 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 citricola Phytophthora citricola Phytophthora citricola is a plant pathogen. It was first described by Sawada in 1927 when it was isolated from orange trees in present-day Taiwan. It has since been found causing disease on a wide variety of plants and is considered to be cosmopolitan.... Phytophthora citrophthora Phytophthora citrophthora Phytophthora citrophthora is a plant pathogen.-External links:**... Phytophthora heveae Phytophthora lateralis Phytophthora lateralis Phytophthora lateralis is a soil-borne plant pathogen that causes cedar root disease in Port Orford cedar trees in Northern USA. This pathogen was first noted to cause disease in around 1920 on nursery stock near Seattle WA . Pacific yew is also vulnerable to P... |
| Phytophthora root rot | Phytophthora cactorum Phytophthora cactorum Phytophthora cactorum is a plant pathogen that causes root rot on rhododendron and many other species.- External links :* *... 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 citricola Phytophthora citricola Phytophthora citricola is a plant pathogen. It was first described by Sawada in 1927 when it was isolated from orange trees in present-day Taiwan. It has since been found causing disease on a wide variety of plants and is considered to be cosmopolitan.... |
| Powdery mildew | Microsphaera vaccinii Microsphaera vaccinii Microsphaera vaccinii is a plant pathogen.- External links :* *... Microsphaera penicillata var. vaccinii Microsphaera penicillata var. vaccinii Microsphaera penicillata var. vaccinii is a plant pathogen.-External links:* *... |
| Pucciniastrum leaf rust | Pucciniastrum vaccinii |
| Septoria leaf spot | Septoria rhododendri Septoria rhododendri Septoria rhododendri is a fungal plant pathogen.- External links :* *... |
| Spot anthracnose | Sphaceloma Sphaceloma Sphaceloma is a genus of ascomycete fungi. Its species are plant pathogens, and cause anthracnose and scab diseases. The widespread genus is estimated to contain 52 species.... sp. |
| Stem canker | Cylindrocladium theae Calonectria theae Calonectria theae Calonectria indusiata is a fungal plant pathogen.- External links :* *... [teleomorph] |
| Witches' broom | Exobasidium vaccinii-uliginosi Exobasidium vaccinii-uliginosi Exobasidium vaccinii-uliginosi is a species of fungus in the Exobasidiaceae family. It is a plant pathogen.... |
Nematodes, parasitic
| Nematodes, parasitic |
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|---|---|
| Dagger, American | Xiphinema americanum Xiphinema americanum Xiphinema americanum is a plant pathogenic nematode. It is one of many species that belongs to the genus Xiphinema. It was first described by N. A. Cobb in 1913, who found it on both sides of the United States on the roots of grass, corn, and citrus trees. Not only is Xiphinema americanum known to... |
| Lance | Hoplalaimus galeatus Hoplalaimus galeatus Hoplalaimus galeatus is a plant pathogenic nematode.- External links :*... |
| Sheath | Hemicycliophora spp. |
| Spiral | Helicotylenchus erythinae |
| Stubby-root | Paratrichodorus spp. |
| Stunt | Tylenchorhynchus claytoni Tylenchorhynchus claytoni Tylenchorhynchus claytoni is a plant pathogenic nematode.- External links :*... |
Viral diseases
| Viral diseases |
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|---|---|
| Necrotic ringspot | Potato virus X Potato virus X Potato virus X is a plant pathogenic virus of the family Alphaflexiviridae and the order Tymovirales.-External links:**... group |