Microsporum equinum. [Descriptions of Fungi and Bacteria].

Author(s):  
P. M. Stockdale

Abstract A description is provided for Microsporum equinum. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Primarily a pathogen of the horse, sometimes transmitted to man. Cats, dogs, guineapigs and rabbits have been experimentally infected. DISEASE: Ringworm (dermatophytosis, tinea). Infected hairs usually fluoresce bright green under Wood's light and show a small-spored ectothrix type of invasion. In horses the lesions cannot be distinguished clinically from those caused by other species. Usually they are dry, raised and scaling and lead to circumscribed, bare patches. They may occur on any part of the animal, but particularly on the saddle and girth regions. In man, infections of the glabrous skin (tinea corporis), particularly of the arms, and of the beard area (tinea barbae) have been reported, the lesions usually being small and erythematous. GEOGRAPHICAL DISTRIBUTION: Africa (Algeria, Congo (from cases of 'Kenya Mange' of horses), Madagascar, Morocco, Sudan), Asia (Iran, Java, U.S.S.R.); Australasia and Oceania (Fiji); Europe (Belgium, Bulgaria, Denmark, France, Germany, Great Britain, (?) Greece, Italy, Netherlands, Norway, Romania, U.S.S.R.); North America (N.J., N.Y.); South America (Uruguay).

Author(s):  
C. S. Millar

Abstract A description is provided for Naemacyclus minor. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Pinus caribaea, P. contorta, P. flexilis, P. jeffreyi, P. montana, P. mugo, P. nigra, P. patula, P. ponderosa, P. radiata, P. sabiniana, P. strobus, P. sylvestris, P. uncinata, P. wallichiana. DISEASE: Premature needle cast in nursery and plantation. GEOGRAPHICAL DISTRIBUTION: Africa (Kenya, Malawi, Morocco, South Africa, Tanzania), Asia (Pakistan), Australasia (Australia, New Zealand), Europe (Austria, Belgium, Czechoslovakia, Denmark, France, Germany, Great Britain, Italy, Spain, Switzerland), North America (USA: California, Michigan, Pennsylvania, Canada: Ontario), South America (Chile, Colombia, Ecuador, Uruguay). TRANSMISSION: By air-borne ascospores in humid or wet weather.


Author(s):  
G. C. Kinsey

Abstract A description is provided for Phoma putaminum. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. DISEASE: Generally considered a soil-borne saprobe, but it may act as an opportunistic parasite on roots, also reported as causing fruit rot of Phyllanthus (61, 4269), leaf necrosis on Erigeron annuus (75, 3444) and isolated from seeds of Dahlia (65, 5559). HOSTS: Plurivorous, genera include Achras, Alnus, Artabotrys, Bambusa, Buxus, Calluna, Chrysanthemum, Citrullus, Convallaria, Convolvulus, Cyperus, Dahlia, Erigeron, Ficus, Gladiolus, Heliotropium, Hibiscus, Lycospersicon, Madhuca, Malus, Medicago, Musa, Phyllanthus, Pinus, Quercus, Sansevieria (64, 3865; 70, 2104), Schlumbergera, Sesbania, Solanum, Theobroma, Ulmus, Vandellia, Vitis and Ziziphus. Also isolated from soil, leaf litter, wood, air, sewage, marine driftwood, fibreglass and human sources. GEOGRAPHICAL DISTRIBUTION: AFRICA: Nigeria. NORTH AMERICA: Canada, USA. SOUTH AMERICA: Venezuela. ASIA: Burma, India, Kuwait, Malaysia. AUSTRALASIA: Australia. EUROPE: Great Britain, Italy, Netherlands. TRANSMISSION: Soil-borne, but little else is known of other possible vectors.


Author(s):  

Abstract A new distribution map is provided for Mycosphaerella sentina (Fr.) Schroet. Hosts: Apple (Malus pumila), pear (Pyrus communis), quince (Cydonia oblonga). Information is given on the geographical distribution in AFRICA, Morocco, South Africa, ASIA, China, India (N.), Iran, Japan, Korea, Nepal, Turkey, USSR (Azerbaijan), EUROPE, Austria, Belgium, Bulgaria, Czechoslovakia, Denmark, France, Germany, Great Britain, Greece, Hungary, Italy, Netherlands, Poland, Portugal, Romania, Spain, Switzerland, USSR (Moldavia), (Ukraine), (Lithuania), (Central & S.), Yugoslavia, NORTH AMERICA, Canada, United States (Ala, Arkansas, Delaware, Florida, Ga, Illinois, Iowa, Kansas, Maryland, Massachusetts, N.H., N.J., N.Y., Ohio, Oklahoma, Oregon, Pennsylvania, S.C., Tennessee, Tex., Va, W. Va), SOUTH AMERICA, Uruguay.


Author(s):  
P. F. Cannon

Abstract A description is provided for Phyllachora sylvatica. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Dactylis glomerata, Distichlis maritima, D. spicata, D. stricta, Festuca dertonensis, F. dumetorum, F. duriuscula, F. elatior, F. idahoensis, F. megalura, F. occidentalis, F. ovina, F. pampeana, F. pilgeri, F. purpurascens, F. rubra (Gramineae). Records on Pharus, Spartina and Sporobolus (Gramineae) require confirmation. DISEASE: Tar spot of leaves. GEOGRAPHICAL DISTRIBUTION: AFRICA: Kenya. NORTH AMERICA: USA (California, Colorado, Kansas, New Mexico, North Dakota, Oregon, South Dakota, Texas). SOUTH AMERICA: Argentina (GABEL et al., 1999). AUSTRALASIA: New Zealand. EUROPE: France, Germany, Great Britain (England, Scotland), Italy, Sweden. A record from Venezuela (DENNIS, 1970) requires confirmation. TRANSMISSION: Not studied in detail, but morphological features agree with those of relatives which have been shown to disperse ascospores actively via air currents, possibly with secondary dispersal via water splash.


Author(s):  
M. A. Spencer

Abstract A description is provided for Pythium spinosum. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. DISEASES: Seedling damping-off. HOSTS: Wide range of plant hosts. GEOGRAPHICAL DISTRIBUTION: AFRICA: South Africa. NORTH AMERICA: Canada, USA (Florida, Hawaii, Iowa). SOUTH AMERICA: Argentina. ASIA: China (Zhejiang), India, Japan, Korea, Taiwan. AUSTRALASIA: Australia (Queensland), New Zealand. EUROPE: France, Germany, Great Britain, Italy, Netherlands. TRANSMISSION: Contaminated soil, organic matter (oospores) and water (sporangia).


Author(s):  
G. C. Kinsey

Abstract A description is provided for Phoma terrestris. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. DISEASE: Pink root of Allium spp., principally onion but also affecting leek, shallot, garlic and chive. Possibly also a soil-borne saprobe and opportunistically pathogenic on other plants. HOSTS: From roots of Allium spp. Many other hosts reported, including Agropyron, Agrostis, Andropogon, Apostasia, Arctostaphylos, Artemisia, Arthraxon, Asparagus, Avena, Bambusa, Bouteloua, Bromus, Calamovilfa, Cenchrus, Chrysothamnus, Citrus, Clermontia, Cordia, Cucumis, Cucurbita, Cymbopogon, Cynodon, Dactylis, Dioscorea, Distichlis, Echinochloa, Elymus, Eragrostis, Eucalyptus, Festuca, Fragaria, Gentiana, Glycine, Hebe, Holcus, Hordeum, Ipomoea, Juniperus, Kentia, Koeleria, Lepidium, Linum, Lycospersicon, Medicago, Melilotus, Muhlenbergia, Musa, Oryza, Oryzopsis, Panicum, Phaseolus, Phleum, Pinus, Piper, Pisum, Poa, Populus, Purshia, Ribes, Rumex, Saccharum, Salix, Salvinia, Schedonnardus, Setaria, Sitanion, Solanum, Sorghum, Spinacia, Stipa, Trifolium, Triticum, Verbascum, Vigna, Vulpia and Zea. Also from soil, air, plant debris, cysts of the beet (Beta) cyst-nematode Heterodera and nasal swab of horse (Equus). GEOGRAPHICAL DISTRIBUTION: Worldwide. Records on Allium spp. include AFRICA: Egypt, Senegal, Sierra Leone, South Africa, Sudan, Uganda. NORTH AMERICA: Canada, USA. SOUTH AMERICA: Argentina, Brazil, Venezuela. ASIA: Brunei, China (Hong Kong), Israel, Mauritius, Pakistan. AUSTRALASIA: Australia, New Zealand. EUROPE: Germany, Great Britain, Greece, Netherlands, Poland. TRANSMISSION: Soil-borne.


Author(s):  
D. N. Pegler

Abstract A description is provided for Inonotus hispidus. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Principally associated with Fraxinus and Malus, but also recorded on Acer, Aesculus, Alnus, Betula, Carya, Crataegus, Euonymus, Fagus, Ficus, Juglans, Liquidambar, Morus, Pistacia, Pyrus, Platanus, Populus, Prunus, Quercus, Robinia, Salix, Schinus, Sophora, Ulmus, Vitis and Zizyphus. DISEASE: Heart rot of ash. The rot is of the general delignifying type, the wood becoming soft and spongy throughout, the decayed wood turning straw to pale yellow brown. In addition to attacking heart wood the pathogen may penetrate living tissues (Nutman, 1929). Young trees may be severely damaged by cankers which distort the stems. GEOGRAPHICAL DISTRIBUTION: Africa (Morocco), Asia (China, Japan, India, Syria, U.S.S.R., West Pakistan), Europe (Belgium, Cyprus, Czechoslovakia, Finland, France, Germany, Great Britain, Greece, Hungary, Italy, Netherlands, Norway, Portugal, Spain, Sweden); North America (Canada, U.S.A.); South America (? Brazil). TRANSMISSION: By air-borne spores. Stubs of dead branches, frost cracks and wounds, particularly those found in old hedgerow trees, all serve as infection courts.


Author(s):  
T. V. Andrianova

Abstract A description is provided for Septoria sisymbrii. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. DISEASE: Leaf spot, leaf spot of watercress (ANON., 1984), drying of the leaves. HOSTS: Dentaria laciniata, Descurainia incisa, D. richardsonii subsp. incisa, Nasturtium microphyllum, N. officinale, Sisymbrium altissimum, S. columnae, S. irio, S. junceum, S. loeselii, S. officinale, S. orientale, S. polymorphum, S. septulatum, S. sinapistrum, S. strictissimum (Brassicaceae). GEOGRAPHICAL DISTRIBUTION: NORTH AMERICA: USA. CENTRAL AMERICA: Cuba. SOUTH AMERICA: Venezuela. ASIA: Armenia, Republic of Georgia [http://www.cybertruffle.org.uk/gruzmaps/index.htm], India, Iran, Kazakhstan, Kirgizstan, Russia (West Siberia, Far East), Tadjikistan, Turkmenistan, Uzbekistan. EUROPE: Austria, Bulgaria, Czech Republic, Estonia, Germany, Great Britain, Latvia, Lithuania, Moldova, Poland, Portugal, Romania, Russia, Serbia, former Yugoslavia. TRANSMISSION: Not reported, but almost certainly by airborne or splash-dispersed conidia.


Author(s):  

Abstract A new distribution map is provided for Cryptodiaporthe populea (Sacc.). Butin. HOSTS: Poplar (Populus). Information is given on the geographical distribution in ASIA, Turkey, EUROPE, Austria, Belgium, Bulgaria, Czechoslovakia, Denmark, France, Germany, Great Britain, Hungary, Italy, Netherlands, Norway, Poland, Romania, Spain, USSR (Estonia, Ukraine & E. Russia), Yugoslavia, NORTH AMERICA, Canada, United States, SOUTH AMERICA,? Argentina.


Author(s):  

Abstract A new distribution map is provided for Phaeoisariopsis bataticola (Cif. & Bruner) M.B. Ellis. Host: sweet potato (Ipomoea spp.). Information is given on the geographical distribution in NORTH AMERICA, USA, Florida, CENTRAL AMERICA & WEST INDIES, Cuba, Dominican Republic, Puerto Rico, SOUTH AMERICA, Venezuela.


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