Fusarium oxysporum f. sp. fragariae. [Descriptions of Fungi and Bacteria].

Author(s):  
D. Brayford

Abstract A description is provided for Fusarium oxysporum f. sp. fragariae. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Fragaria (strawberry). DISEASE: Vascular wilt (or yellows). GEOGRAPHICAL DISTRIBUTION: Australasia: Australia (Queensland), Japan, Korea. TRANSMISSION: Infected planting material; movement of soil during cultivation. Local dispersal is via water flow and splash droplets containing macro- and microconidia.

Author(s):  
D. Brayford

Abstract A description is provided for Fusarium oxysporum f. sp. dianthi. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Dianthus spp. (carnation, pinks, sweet williams), Lychnis chalcedoica L. (Caryophyllaceae) (Armstrong & Armstrong, 1954; Hood & Stewart, 1957). DISEASE: Vascular wilt. GEOGRAPHICAL DISTRIBUTION: Widespread where Dianthus is grown. TRANSMISSION: Via infected planting materials and contaminated soil. Local dispersal is by water flow and splash droplets containing slimy macro- or microconidia.


Author(s):  
D. Brayford

Abstract A description is provided for Fusarium oxysporum f. sp. gladioli. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Gladiolus sp. Also known to infect Babania, Crocosmia (= Montbretia), Crocus, Freesia, bulbous Iris, Ixia, Sparaxis, Streptanthera, Tritonia and Washingtonia (Iridaceae), causing corm rot or yellows symptoms (McClellan, 1945; 73, 3171; 74, 1746). DISEASE: Corm rot, basal dry rot, yellows. GEOGRAPHICAL DISTRIBUTION: Widespread. TRANSMISSION: By infected corms used as planting material. Via movement of contaminated soil. Local dispersal is by water flow and droplet splash containing macro- or microconidia.


Author(s):  
D. Brayford

Abstract A description is provided for Fusarium oxysporum f. sp. medicaginis. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Medicago sativa L. (lucerne, alfalfa). It may also cause wilt symptoms on some cultivars of yellow lupin (Lupinus luteus L.) (Armstrong & Armstrong, 1964). DISEASE: Vascular wilt. GEOGRAPHICAL DISTRIBUTION: Widespread where lucerne is grown, but disease is favoured by warm climatic conditions. Via seed and movement of contaminated soil. Local dispersal is by water flow and splash droplets carrying macro- and microconidia.


Author(s):  
D. Brayford

Abstract A description is provided for Fusarium oxysporum f. sp. lini. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Linum spp., including L. usitatissimum L. (flax, linseed), L. angustifolium Huds. and L. crepitans Boemingh. (Kommedahl et al., 1970). It has also been reported to colonize roots of some weeds, including Veronica persica Poir., Stellaria media Cyrill., Lamium purpureum L., Capsella bursa-pastoris Medic. and Sonchus arvensis[Sonchus wightianus] L. (67, 1649). DISEASE: Vascular wilt. GEOGRAPHICAL DISTRIBUTION: Widespread where Linum is cultivated. TRANSMISSION: In seed and infected plant parts. Also by movement of contaminated soil during cultivation. Local dispersal is by water flow and splash droplets containing macro- or microconidia.


Author(s):  
C. V. Subramanian

Abstract A description is provided for Fusarium oxysporum f.sp. cubense. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: On cultivated banana and abaca (Musa spp.) and wild spp. of Heliconia (Musaceae), esp. H. caribaea (42: 80); three species of grass (Paspalum fasciculatum, Panicum purpurascens andlxophorus unisetus), and Commelina diffusa (Commelinaceae) may serve as alternative hosts (Waite & Dunlap, 1953). DISEASES: Panama disease (vascular wilt) of banana (banana wilt) and vascular wilt in abaca (Musa textilis). GEOGRAPHICAL DISTRIBUTION: Widespread: Africa, Asia, Australasia and Oceania, C. America and W. Indies, N. & S. America (CMI Map 31). TRANSMISSION: Primarily soil-borne; possibly air-borne also. Pathogen may spread in infected leaf trash or soil and debris in surface flood-water. Infected planting material is another source of infection and spread.


Author(s):  
D. Brayford

Abstract A description is provided for Fusarium oxysporum f. sp. lycopersici. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Lycopersicon esculentum (tomato). May also infect other species of Lycopersicon. DISEASE: Vascular wilt. The fungus may also cause tomato fruit rot. GEOGRAPHICAL DISTRIBUTION: Widespread in tomato growing regions of the world. Africa: Kenya, Morocco, Nigeria, Republic of South Africa, Senegal, Tanzania, Tunisia. America: Argentina, Brazil, Canada, Cuba, Mexico, USA. Asia: China, India, Iran, Iraq, Israel, Japan, Korea, Pakistan. Australasia: Australia. Europe: Albania, Belgium, Bulgaria, France, Germany, Great Britain, Italy, The Netherlands, Spain, USSR. TRANSMISSION: The fungus is soil borne and may also be transmitted by seed (58, 3447; 67, 1486), planting material and locally by water flow.


Author(s):  
D. Brayford

Abstract A description is provided for Fusarium oxysporum f. sp. asparagi. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Asparagus officinalis L. (asparagus). DISEASE: Vascular wilt. May also cause seedling blight (Graham, 1955) and be part of an Asparagus 'decline' complex together with Fusarium moniliforme[Gibberella fujikuroi] Sheld. (Grogan et al., 1959), where plant vigour is reduced and crop yeild and quality decreases. GEOGRAPHICAL DISTRIBUTION: Widespread where Asparagus is cultivated. Africa: South Africa, Tanzania. Australasia: Japan, New Zealand, Taiwan. Europe: Belgium, France, Germany, Greece, Italy, Spain, The Netherlands. North America: Canada, USA. TRANSMISSION: The fungus may be seed-borne (Inglis, 1980; 67, 2733) and also transmitted via plants raised in contaminated seed bed soil. Local dispersal is by water flow and rain splash of slimy conidia.


Author(s):  
D. Brayford

Abstract A description is provided for Fusarium oxysporum f. sp. pisi. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Pisum sativum L. (pea). Also reported to cause wilting of Dianthus spp. (74, 4545). DISEASE: Fusarium wilt, near wilt. Also a component in St. John's disease together with Fusarium solani (Martius) Sacc. (Buxton, 1955). GEOGRAPHICAL DISTRIBUTION: Widespread where peas are cultivated. TRANSMISSION: Contaminated seed. Movement of contaminated soil during cultivation. Local dispersal may occur via water flow and splash droplets containing micro- or macroconidia.


Author(s):  
D. Brayford

Abstract A description is provided for Fusarium oxysporum f. sp. cubense. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Musa sp., Heliconia sp. DISEASE: Panama disease (vascular wilt) of banana. Also vascular wilt of abaca (Musa textilis). GEOGRAPHICAL DISTRIBUTION: Widespread in tropical and subtropical regions. Africa: Burundi, Cameroun, Canary Is., Ghana, Kenya, Madagascar, Malawi, Mauritius, Mozambique (50, 3049), Nigeria, Republic of South Africa, Rwanda, Sierra Leone, Tanzania (incl. Zanzibar), Uganda, Zaire. America: North: Florida (68, 905); South: Brazil, Costa Rica, Cuba (56, 4615), Dominica, Guadeloupe, Jamaica. Australasia: Australia, Brunei (51, 3059), Guam (60, 3258), India (68, 5699; 69, 657), Indonesia, Philippines, Sri Lanka, Taiwan, Thailand. IMI Distribution Map 31. TRANSMISSION: Through human transportation of infected planting material, plant debris or soil.


Author(s):  
D. Brayford

Abstract A description is provided for Fusarium oxysporum f. sp. cepae. Information is included on the disease caused by the organism, its transmission, geographical distribution, and hosts. HOSTS: Allium cepa L. (onion, shallots), A. sativum L. (garlic) (see notes below concerning F. oxysporum f.sp. garlic), A. fistulosum L. (Japanese bunching onion), A. chinense G. Don (rakkyo); Asparagus (68, 2953); Oxalis spp. (56, 1835). DISEASE: Basal rot of bulbs. Damping off of seedlings. GEOGRAPHICAL DISTRIBUTION: Africa: Egypt, Ethiopia, South Africa, Zambia. Australasia: India, Israel, Japan, Philippines, Tasmania. Europe: Greece, Hungary, Italy. North America: USA. South America: Brazil. TRANSMISSION: Via seed, infected planting material or movement of soil. Local dispersal is by slimy micro- and macroconidia moved by water flow and splash droplets.


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