Davisomycella ampla. [Descriptions of Fungi and Bacteria].

Author(s):  
D. W. Minter

Abstract A description is provided for Davisomycella ampla. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Pinus banksiana, P. contorta, P. strobus, P. pinaster, P. radiata. DISEASE: Jack pine needle blight. GEOGRAPHICAL DISTRIBUTION: North America (USA, Canada); South America (Brazil); New Zealand. TRANSMISSION: By air-borne ascospores.

Author(s):  
D. W. Minter

Abstract A description is provided for Meloderma desmazieresii. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Pinus banksiana, P. cembra, P. excelsa, P. flexilis, P. monticola, P. nigra, P. parviflora, P. peuce, P. radiata, P. resinosa, P. rigida, P. strobus, P. sylvestris, P. wallichiana. DISEASE: Needle blight of pines GEOGRAPHICAL DISTRIBUTION: Europe (UK, Ireland, France, Denmark, Germany, Poland, Romania, USSR, Yugoslavia); North America (USA, Canada); South America (Uruguay); Asia (India, Pakistan); Australia. Very probably a recent introduction to South America and Australia (46, 1351; 51, 1991). TRANSMISSION: By ascospores discharged from infected needles during damp weather.


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 Little cherry virus 1 (Closteroviridae: Velarivirus). Hosts: Prunus spp. Information on the geographical distribution in Europe (Belgium, Czech Republic, France, Germany, Greece, Hungary, Italy, Mainland Italy, Poland, Romania, Slovakia, Spain, Switzerland, UK, England and Wales), Asia (China, Hebei, Liaoning, Shandong, India, Japan, Honshu, Korea Republic, Turkey), Africa (Morocco), North America (Canada, British Columbia, USA, California, Oregon, Washington), South America (Chile) and Oceania (Australia, Queensland, Tasmania, New Zealand) is also given.


Author(s):  
J. E. M. Mordue

Abstract A description is provided for Ustilago hypodytes. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: A wide range of grasses, including species of Agropyron (many), Ammophila, Brachypodium, Bromus, Calamagrostis, Diplachne, Distichlis, Elymus (many), Festuca, Glyceria, Hilaria, Hordeum, Haynaldia, Lygeum, Melica, Orysopsis, Panicum, Phalaris, Phleum, Poa (many), Puccinellia, Secale, Sitanion, Sporobolus, Stipa (many), and Trisetum. DISEASE: Stem smut of grasses. GEOGRAPHICAL DISTRIBUTION: Chiefly a temperate species found in Europe (including Denmark, Finland, France, Germany, Hungary, Italy, Romania, Sweden, Switzerland, UK, USSR, Yugoslavia) and North America (Canada, USA) and extending to central and South America (Argentina, Peru, Uruguay), N. Africa (Libya, Morocco, Tunisia), Japan, Australia and New Zealand. TRANSMISSION: Not fully understood, though inoculation experiments have demonstrated that infection occurs in mature vegetative plants (possibly through meristematic tissue), not seeds or flowers (22, 240; 24, 511). Once established, infection is systemic, probably overwintering in the root system and spreading by vegetative multiplication of host plants as well as from plant to plant (24, 511; 19, 720).


Author(s):  

Abstract A new distribution map is provided for Sclerotium cepivorum Berk. Hosts: Onion, shallot, leek etc. (Allium spp.). Information is given on the geographical distribution in AFRICA, Egypt, Libya, South Africa, Uganda, Zimbabwe, ASIA, China, India, Iran, Israel, Japan, AUSTRALASIA & OCEANIA, Australia, New Zealand, EUROPE, Azores, Britain & Northern Ireland, Bulgaria, Cyprus, Czechoslovakia, Denmark, Finland, France, Germany, Greece, Italy, Netherlands, Norway, Romania, Spain, Sweden, Switzerland, USSR, Yugoslavia, NORTH AMERICA, Canada, USA, SOUTH AMERICA, Argentina, Bolivia, Brazil, Chile, Colombia, Uruguay, Venezuela.


Author(s):  

Abstract A new distribution map is provided for Fusicladium effusum G. Winter. Ascomycota: Capnodiales. Hosts: Carya spp. especially pecan (C. illinoinensis). Information is given on the geographical distribution in Africa (South Africa), North America (Canada, Mexico, Alabama, Florida, Georgia, Illinois, Kansas, Louisiana, Mississippi, Missouri, North Carolina, Oklahoma, Texas, and Wisconsin, USA), South America (Argentina, Parana, Brazil, and Paraguay), and Oceania (New Zealand).


Author(s):  

Abstract A new distribution map is provided for Ascochyta fabae Speg. Hosts: Broad bean (Vicia faba). Information is given on the geographical distribution in AFRICA, Egypt, Morocco, ASIA, China, Israel, Japan, Korea, Turkey, AUSTRALASIA & OCEANIA, Australia, New Zealand, EUROPE, Britain (Jersey), Czechoslovakia, Denmark, Germany, Italy, Norway, USSR (Byelorussia, Lithuania, Moscow, Ukraine), NORTH AMERICA, Canada (NS), SOUTH AMERICA, Argentina (Buenos Aires).


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