Cylindrocarpon musae. [Descriptions of Fungi and Bacteria].

Author(s):  
D. Brayford

Abstract A description is provided for Cylindrocarpon musae. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Musa AAA (Cavendish). DISEASE: Rotting of fleshy roots and rhizomes of banana. GEOGRAPHICAL DISTRIBUTION: Asia: Philippines; North America: Costa Rica, Guadeloupe, Martinique, Panama; South America: Colombia, Ecuador. TRANSMISSION: The fungus probably survives as 'chlamydospores' in soil. Its slimy spores may be dispersed by water. Long distance spread may potentially occur by transportation of infected plant material or contaminated soil.

Author(s):  
D. Brayford

Abstract A description is provided for Fusarium oxysporum f. sp. batatas. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Ipomoea batatas (sweet potato), Nicotiana (tobacco). The fungus may infect a wide range of other plants in Convolvulaceae (63, 1065) and other families, sometimes without causing wilt symptoms. DISEASE: Vascular wilt, sometimes called stem rot. GEOGRAPHICAL DISTRIBUTION: Brazil (62, 525), China, Hawaii, India, Japan, Malawi, New Zealand. The disease occurs in temperate rather than tropical regions. TRANSMISSION: The fungus may survive in soil for many years as chlamydospores. Transmission may occur by means of infected plant material used for propagation, or through contaminated soil.


Author(s):  
J. E. M. Mordue

Abstract A description is provided for Sorosporium saponariae. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Dianthus and Saponaria spp. and other members of the Caryophyllaceae including Arenaria, Cerastium, Lychnis, Minuartia, Moehringia, Petrorhagia, Silene, Stellaria and Tunica spp. DISEASE: Flower smut of the Caryophyllaceae.GEOGRAPHICAL DISTRIBUTION: Africa: Algeria, Morocco. Asia: USSR (Caucasia, Siberia, Turkestan). Australasia: Australia (33, 634). Europe: widespread, including Austria, Bulgaria, Czechoslovakia, Denmark, Finland France, Germany, Hungary, Italy, Norway, Poland, Romania, Spain, Sweden, Switzerland, Yugoslavia. North America: USA. South America: Argentina, Chile (33, 634). Southern hemisphere records are infrequent. TRANSMISSION: No detailed studies have been reported. Floral organs, including ovules, frequently develop in infected flowers (55, 3947), therefore seed transmission is probable, with systemic infection established in seedlings from either this source or contaminated soil.


Author(s):  

Abstract A new distribution map is provided for Maize rayado fino marafivirus Viruses: Marafivirus Hosts: Maize (Zea mays). Information is given on the geographical distribution in NORTH AMERICA, Mexico, USA, Florida, Texas, CENTRAL AMERICA & CARIBBEAN, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, Panama, SOUTH AMERICA, Argentina, Brazil, Parana, Colombia, Peru, Uruguay, Venezuela.


Author(s):  

Abstract A new distribution map is provided for Corynebacterium michiganense pv. sepedonicum (Spieck. & Kotth.) Dye & Kemp. Hosts: Potato (Solanum tuberosum). Information is given on the geographical distribution in ASIA, Afghanistan, Japan, Kampuchea, Korea, Lebanon, Nepal, Taiwan, Turkey, USSR (Uzbekistan), (Kazakhistan), (Sibera), Vietnam, EUROPE, Czechoslovakia, Denmark, Finland, Norway, Poland, Sweden, USSR (general), NORTH AMERICA, Canada (general), USA (general), CENTRAL AMERICA & WEST INDIES, Costa Rica, Panama, SOUTH AMERICA, Peru, Venezuela.


Author(s):  
J. E. M. Mordue

Abstract A description is provided for Entyloma calendulae. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Calendula officinarum, also C. aegyptiaca, C. algeriensis, C. arvensis, C. persica. DISEASE: Leaf spot of Calendula. GEOGRAPHICAL DISTRIBUTION: Widely distributed in Europe including Scandinavia and USSR (Latvia); around the Mediterranean (Algeria, Israel, Tunisia, Turkey); North America (USA), South America (Argentina, Chile, Uruguay); Australia (New South Wales, Western Australia), New Zealand. TRANSMISSION: Ustilospores survive on infected plant remains in soil and germinate to infect the new crop. Overwintering on self-sown seedlings is also possible.


Author(s):  
J. M. Pérez

Abstract A description is provided for Leucocintractia scleriae. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. DISEASE: Development of spikelets is prevented in infected plants. HOSTS: Rhynchospora corymbosa, R. gigantea and R. triflora (Cyperaceae). GEOGRAPHICAL DISTRIBUTION: AFRICA: Congo, Zaire. NORTH AMERICA: Mexico. CENTRAL AMERICA: Costa Rica, Cuba, Honduras, Puerto Rico. SOUTH AMERICA: Colombia, French Guiana, Guyana [as British Guiana], Paraguay, Venezuela. ASIA: China (Taipei), India, Indonesia, Singapore, Taiwan. AUSTRALASIA: Australia (Queensland). TRANSMISSION: Not studied; probably by teliospores dispersed by wind and water.


Author(s):  

Abstract A new distribution map is provided for Mycosphaerella dearnessii M. E. Barr. Hosts: Pine (Pinus spp.). Information is given on the geographical distribution in Africa, South Africa, Asia, China, Fujian, Guangdong, Guanxi, Jiangxi, South-East China, Georgia, Europe, Greece, Yugoslavia, UK, England, North America, Canada, Manitoba, Mexico, USA, Central America & West Indies, Belize, Cuba, Costa Rica, Guatemala, Honduras, Nicaragua, South America, Colombia.


Author(s):  

Abstract A new distribution map is provided for Rice hoja blanca tenuivirus Viruses: No family assignation: Tenuivirus Hosts: Rice (Oryza sativa) and other Poaceae. Information is given on the geographical distribution in NORTH AMERICA, Mexico, USA, Florida, Louisiana, Mississippi, CENTRAL AMERICA & CARIBBEAN, Belize, Costa Rica, Cuba, Dominican, Republic, El Salvador, Guatemala, Honduras, Panama, Trinidad and Tobago, SOUTH AMERICA, Colombia, Ecuador, Guyana, Peru, Suriname, Venezuela.


Author(s):  

Abstract A new distribution map is provided for Phyllachora canafistulae F.L. Stevens & Dalby. Hosts: Cassia spp. Information is given on the geographical distribution in NORTH AMERICA, Bermuda, USA, CENTRAL AMERICA & WEST INDIES, Costa Rica, Cuba, Dominican, Republic, Grenada, Jamaica, Panama, Puerto Rico, Trinidad, SOUTH AMERICA, Brazil.


Author(s):  
P. F. Cannon

Abstract A description is provided for Lophiostoma caulium, which is considered to be a saprobic fungus, colonizing dead culm tissues. Some information on its dispersal and transmission and conservation status is given, along with details of its geographical distribution (Africa (Morocco), Central America (Costa Rica), North America (Canada, Ontario), USA (Arizona, California, Georgia, Idaho, Kansas, Nebraska, North Dakota, Oregon, Virginia), South America (French Guiana), Asia (China, Xinjiang, Iran, Japan, Pakistan, Taiwan, Turkmenistan), Australasia (Australia, Queensland, New Zealand), Europe (Austria, Czech Republic, Denmark, Estonia, Finland, France, Georgia, Germany, Hungary, Ireland, Italy, Latvia, Norway, Poland, Portugal, Russia, Spain, Sweden, Switzerland, Ukraine, UK)). L. caulium as currently circumscribed is a plurivorous species of herbaceous stems and has been reported more rarely from woody substrata.


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