Physopella zeae. [Descriptions of Fungi and Bacteria].

Author(s):  
G. F. Laundon

Abstract A description is provided for Physopella zeae. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: On Zea mays. DISEASE: Rust causing premature death of leaves and reduction in crop yield. GEOGRAPHICAL DISTRIBUTION: In tropical areas of Central and South America (Colombia, Guatemala, Mexico, and Nicaragua) and the Caribbean (Grenada, Jamaica, Puerto Rico, St. Vincent, Santo Domingo and Trinidad). TRANSMISSION: Presumably aerial.

Author(s):  

Abstract A new distribution map is provided for Physopella zeae (Mains) Cummins & Ramachar. Hosts: Maize (Zea mays). Information is given on the geographical distribution in CENTRAL AMERICA & WEST INDIES, Central America (general), Costa Rica, Cuba, Dominican Republic, Grenada, Guatemala, Honduras, Jamaica, Mexico, Nicaragua, Panama, Puerto Rico, Salvador, St. Vincent, Trinidad, SOUTH AMERICA, Colombia,? Ecuador, Peru, Venezuela.


Author(s):  
J. F. Bradbury

Abstract A description is provided for Pseudomonas rubrisubalbicans. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: On Saccharum officinarum; also produces a limited amount of infection when inoculated into Sorghum halepense and S. vulgare but, unlike P. rubrilincans, it does not affect Zea mays. DISEASE: Mottled stripe of sugarcane. Stripes are paler than those of red stripe disease, speckled and often fewer per leaf. No top rot occurs. Of minor economic importance. GEOGRAPHICAL DISTRIBUTION: Apparently less widespread than P. rubrilineans. Reported in Africa (Madagascar, Mauritius, Nigeria, Reunion, Tanzania), Asia (Ceylon), Australasia (Fiji, New South Wales, Queensland), Europe (Italy), North America (U.S.A.), Central America (Barbados, Guadelope, Jamaica, Martinique, Nicaragua, Puerto Rico), South America (Brazil, Colombia, Peru). (CMI Map 337). TRANSMISSION: Wind and rain are thought to be the most important factors in spread within fields. It is introduced to new areas in diseased setts.


Author(s):  

Abstract A new distribution map is provided for Maize mosaic nucleorhabdovirus Viruses: Rhabdoviridae: Nucleorhabdovirus Hosts: Mainly maize (Zea mays) and sorghum (Sorghum bicolor). Information is given on the geographical distribution in ASIA, India, Maharashtra, Yemen, AFRICA, Kenya, Madagascar, Mauritius, Mozambique, Nigeria, Reunion, Tanzania, NORTH AMERICA, Mexico, USA, Alabama, Florida, Hawaii, CENTRAL AMERICA & CARIBBEAN, Cuba, Guadeloupe, Puerto Rico, SOUTH AMERICA, Brazil, Colombia, French Guiana, Peru, Suriname, Venezuela.


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.


Author(s):  

Abstract A new distribution map is provided for Spiroplasma kunkelii Whitcomb, Chen et al. Bacteria. Hosts: maize (Zea mays), sweetcorn (Zea mays subsp. mays), teosinte (Zea mexicana) and perennial teosinte (Zea perennis). Information is given on the geographical distribution in North America (Mexico, USA, California, Florida, Louisiana, Michigan, Mississippi, Ohio, Texas), Central America and Caribbean (Belize, El Salvador, Guatemala, Honduras, Jamaica, Nicaragua, Panama), South America (Argentina, Bolivia, Brazil, Mato Grosso do Sul, Minas Gerais, Colombia, Paraguay, Peru, Venezuela).


Author(s):  
G. F. Laundon

Abstract A description is provided for Puccinia psidii. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: On Pimenta officinalis and Psidium guajava, also on Callistemon speciosus, Eucalyptus citriodora, Eugenia jambos, E. malaccensis, E. uvalha, Marlierea edulis, Myrcia spp., Myrciaria jaboticaba and Pimenta acris. DISEASE: Guava rust. Attacks foliage, inflorescences and young succulent twigs of pimento and Eucalyptus, and foliage and fruit of guava, causing severe defoliation under certain conditions. GEOGRAPHICAL DISTRIBUTION: Central America and Caribbean (Cuba, Dominica, Dominican Republic, Jamaica, Puerto Rico, Trinidad); South America (Argentina, Brazil, Colombia, Ecuador, Paraguay, Uruguay, Venezuela). (CMI Map 181, Ed. 2, 1949 & Herb. IMI.) TRANSMISSION: Urediospores disseminated by rain-splash in Jamaica (41: 569).


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):  
G. F. Laundon

Abstract A description is provided for Puccinia polysora. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: On Erianthus divaricatus, E. alopecuroides, Euchlaena mexicana, Tripsacum dactyloides (= T. monastachyum), T. lanceolatum, T. latifolium. T. laxum, T. pilosum, Zea mays. DISEASE: Rust of maize causing chlorosis and premature death of leaves and leaf-sheaths. GEOGRAPHICAL DISTRIBUTION: Africa (Tropical, South, and Madagascar), Asia (S.E.), Australia (Queensland), Australasia, N. America (S. and E.), Central America and W. Indies, S. America (N.) (CMI Map 237). TRANSMISSION: By air over relatively short distances (37: 657) and by infected or contaminated material via air transport over long distances (38: 591).


Author(s):  

Abstract A new distribution map is provided for Phyllachora maydis Maublanc. Sordariomycetes: Phyllachorales: Phyllachoraceae. Host: maize (Zea mays). Information is given on the geographical distribution in North America (Canada, Ontario, Costa Rica, Dominican Republic, El Salvador, Guatemala, Haiti, Honduras, Mexico, Nicaragua, Panama, Puerto Rico, Trinidad and Tobago, US Virgin Islands, USA, Florida, Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio, Wisconsin), and South America (Bolivia, Colombia, Ecuador, Peru, Venezuela).


Author(s):  

Abstract A new distribution map is provided for Sogatodes orizicola (Muir) [Hemiptera: Delphacidae]. Attacks rice and is a vector of the virus that causes 'hoja blanca' disease. Information is given on the geographical distribution in NORTH AMERICA, Mexico, USA, CENTRAL AMERICA, and CARIBBEAN, Belize, Cuba, Panama, Puerto Rico, Trinidad, SOUTH AMERICA, Brazil, Colombia, Guyana, Peru, Surinam, Venezuela.


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