coccodes (Wallr.) Hughes JUN09 Key Contacts: Garibaldi 3- Dillard and Cobb(1998) 82,Plant Dis. 235-238. 2- (1965a,b) &Hornby Chesters 1- Further Reading: on setae septate with µm) rounded150-300 (diam. almost are roots the on Acervuli 1c). (Fig conidiophores phialidic on cylindrical, form which µm) µmx (16-25 3-4 aseptate and hyaline cylindrical, are Conidia roots. infected of layer the outer andon culture in form andsclerotia Acervuli surface. onagar sclerotia abundant dark forms and agar sparse, white to grey,aerialmyceliumon dextrose produces The family. to thePhyllachoraceae coccodes C. Fungal Characteristics: losses. crop in canresult foliage of necrosis senescenceand premature vigor, of Lack conditions. moist in on the fruit may form acervuli and sclerotia Black areas. sunken circular, large into turn lesions the progresses, the disease andas lesions, discolored as fruit on appear symptoms Anthracnose brown. to grey are tissues the where roots onolder evident particularly are symptoms <1These mm). form(diam. abundant sclerotia dark 1a). (Fig The root cortexrots and small black sclerotia with covered areas brown larger to progressing roots, the on lesions brown appearas symptoms Dot Black Symptoms andImpact: c Fig. 1. ab Disease Common Name Common H. Golzar. Photo credits (d). and appressoria (c); conidia (b); reported on potato in Australia, this is the first report on on report first the is this Australia, in onpotato reported Although locations. Perth two at systems hydroponics and glasshouse field both in 2009, symp summer During senescence(1). causes early It also tubers. ofpotato surface the on blemishes and roots the on dots black fruit, onthe anthracnose tomatoes agent of causal coccodes Colletotrichum Classification olttihmccoe ; coccodes Colletotrichum : et al sa nmrhof ananamorph is : Hossein Golzar, DAFWA. Email: Email: DAFWA. Golzar, Hossein . (2008) Phytoparasitica. 36, 483-488. 36, Phytoparasitica. (2008) . : K: Fungi, P: , C: ,C: Sordariomycete K: Fungi, P: Ascomycota TomatoRoot Brown Rot Black DotBlack (Wallr.) Hughes is an important pathogen of tomato and potato worldwide. The fungus is the is The fungus pathogen an important and is worldwide. tomato potato of Hughes (Wallr.) Glomerlla Trans. Soc. Trans. Br. mycol. Pathogen ofthemonth Pathogen ofthemonth Tomato Brown Root scl Rot coverdBrown withblack Tomato which belongs belongs which [email protected] 48, 73–581, 583–594. . been effective (3). (3). been effective inintegrated control disease has fumigation soil however, cultivars are limited.Fungicid resistant butknown recommended, is cultivars resistant Planting soil. the pathogenin the of andsurvival inoculum of reducelevels hoststo and elimination wild crops of host non- with rotation crop example, For and dispersal. disease inoculum reduce can practices and sanitation Good cultural Management and Control: (2). years 8 to up for the soil in and cansurvive inoculum of source a as have been reported The sclerotia soils. and infested roots coccodes C. of sclerotia and Conidia Fungal Survival: (1). fungal propagules carry hosts asymptomatic Some andSolanaceae. Leguminosae Cucurbitaceae, plant species representing 13 families mostly fromthe range of wide anda potato tomato, on fungus occurs The Host Range: 12 x μ 7 ovate are to(av. elliptical the surfaceAppressoria (Fig 1b). :Pylcoae F:Phyllachoraceae , , O: s toms were observed on root and stem bases of tomatoes tomatoes of bases root andstem on observed were toms m) (Fig 1d). , Ph: 08 9368Ph: 08 3693 , erotia (a); Acervuli with setae on theroot with Acervuli (a); erotia C. coccodes C. – – e application is inefficient, June 2009 d June 2009 has been previously been previously has survive on tomato tomato on survive