Physoderma leproides. [Descriptions of Fungi and Bacteria].

Author(s):  
J. C. Walker

Abstract A description is provided for Physoderma leproides. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Beta vulgaris and B. vulgaris var. rapacea. DISEASE: Parasitic in sugarbeet causing small galls on leaves, leaf stalks and stems and enormous galls on roots. GEOGRAPHICAL DISTRIBUTION: Africa, Asia, Europe, North America and South America (CMI Map 491, ed. 1, 1973). TRANSMISSION: Presumably by dissemination of resting sporangia which may germinate to rekase motile spores under natural conditions.

Author(s):  

Abstract A new distribution map is provided for Physoderma leproides (Trabut) Karling. Hosts: Beet (Beta vulgaris). Information is given on the geographical distribution in Africa, Algeria, Morocco, Tunisia, Asia, Israel, Europe, Cyprus, Italy, Portugal, North America, USA, California, South America, Argentina, Uruguay.


Author(s):  

Abstract A new distribution map is provided for Physoderma leproides (Trab.) Karl. Hosts: Beet (Beta vulgaris). Information is given on the geographical distribution in AFRICA, Algeria, Morocco, Tunisia, ASIA, Israel, EUROPE, Cyprus, Italy, NORTH AMERICA, USA (California), SOUTH AMERICA, Argentina, Uruguay.


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):  

Abstract A new distribution map is provided for Plum bark necrosis stem pitting-associated virus (Closteroviridae: Ampelovirus). Hosts: Prunus spp. Information is given on the geographical distribution in Africa (Egypt, Morocco, South Africa, Tunisia), Asia (China, Hainan, Hubei, Shandong, Japan, Honshu, Jordan, Pakistan, Korea Republic, Turkey), Europe (Bulgaria, France, Italy, Serbia, Spain), North America (USA, California, District of Columbia), Oceania (Australia) and South America (Chile).


Author(s):  
J. N. Kapoor

Abstract A description is provided for Podosphaera leucotricha. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: On Malus spp., chiefly on M. pumila (apple), peach (Prunus persica), quince (Cydonia ualgaris) and Photinia spp. also attacked (Hirata, 1966). Also reported on almond fruit (43, 2544). DISEASE: Powdery mildew of apple. GEOGRAPHICAL DISTRIBUTION: Africa (? Kenya, Rhodaia, South Africa, Tanzania); Asia (China, India, Israel, Japan, U.S.S.R.); Australia and New Zealand, Europe (widely distributed) North America (Canada and U.S.A.); South America (Argentina, Brazil, Chile, Colombia, Peru). (CMI map 118). TRANSMISSION: Overwinters on host as dormant mycdium in blossom buds. The role of deistothecia in overwintering is doubtful. Spread by wind-borne conidia (Anderson, 1956).


Author(s):  

Abstract A new distribution map is provided for Physoderma alfalfae (Pat. & Lagerh.) Karling. Hosts: Lucerne (Medicago sativa) and Medicago spp. Information is given on the geographical distribution in ASIA, India (Punjab), Iran, Israel, Pakistan, AUSTRALASIA & OCEANIA, Australia, New Zealand, EUROPE, Belgium, Britain, Cyprus, Czechoslovakia, Denmark, France, Germany, Greece, Italy, Netherlands, Portugal, Romania, Sweden, Switzerland, NORTH AMERICA, Canada (British Columbia), Mexico, USA, SOUTH AMERICA, Argentina, Chile, Ecuador, Peru.


Author(s):  

Abstract A new distribution map is provided for Botrytis tulipae Lind. Hosts: on Tulip (Tulipa). Information is given on the geographical distribution in ASIA, Japan, Korea, Philippines, AUSTRALASIA & OCEANIA, Australia, New Zealand, EUROPE, Austria, Belgium, Britain (Jersey) (Guernsey), Bulgaria, Czechoslovakia, Denmark, Finland, France, Germany, Greece, Hungary, Italy, Netherlands, Norway, Portugal, Romania, Switzerland, USSR, Yugoslavia, NORTH AMERICA, Canada, USA, SOUTH AMERICA, Argentina, Chile.


Author(s):  

Abstract A new distribution map is provided for Pyrenophora avenae Ito & Kuribay. Hosts: Oats (Avena). Information is given on the geographical distribution in AFRICA, Angola, Egypt, Kenya, Malagasy Republic, Morocco, South Africa, ASIA, China (Kiangsu), India, Israel, Japan, Nepal, Pakistan, Taiwan, Turkey, USSR (Soviet Far East, Tashkent, Tomsk), AUSTRALASIA & OCEANIA, Australia, New Zealand, EUROPE, Austria, Britain & Northern Ireland, Bulgaria, Cyprus, Denmark, Finland, France, Germany, Irish Republic, Italy, Netherlands, Norway, Romania, Sweden, USSR (Latvia) (Byelorussia), NORTH AMERICA, Canada (general), USA (general), SOUTH AMERICA, Argentina (Buenos Aires), Brazil, Colombia, Guatemala.


Author(s):  

Abstract A new distribution map is provided for Gnomonia leptostyla (Fr.) Ces. & De Not. Hosts: Walnut (Juglans spp.). Information is given on the geographical distribution in AFRICA, South Africa, ASIA, India (Kashmir), Iran, Israel, Lebanon, USSR (Central Asia), EUROPE, Austria, Belgium, Britain, Bulgaria, Cyprus, Czechoslovakia, France, Germany, Greece, Hungary, Irish Republic, Italy, Netherlands, Poland, Portugal, Romania, Spain, Switzerland, Turkey, USSR (Caucasus, Ukraine), Yugoslavia, NORTH AMERICA, Canada (NB, Ontario), (NS, Quebec), USA, SOUTH AMERICA, Argentina, Chile, Uruguay.


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