Hashioka Pyricularia angulata June host material. These conditions are ideal for host are material. ideal banana conditions These ensure a plantings constant source sequential of are plants veryproximityin to close other each and found warm, nurseries where in moist conditions In far north thrives blast banana the in Queensland, Impact: banana plants in the genus P. angulata Host Range: plants, mostly the monocotyledenous most important being banana plants in a number of nurseries. Members of the trash. on banana in far Recently north tissue cultured in it has leaves been found Queensland, infecting Australia. in encountered angulata Pyricularia Classification Pathogen Disease denticulate(c); conidiophores (d); and conidia (e). Photo credits M.Male (a,b,c,e) and R. Shivas (d) Fig. 1. Key Contacts: Male Meredith (1963) Kim Hoette (1936) Hashioka Bussaban Further Reading: as a post both losses to economic the leads in field and which most symptom serious of fruit, pitting disease is P. angulata countries, In and Central American Southeast Asian control blast. most banana Sigatoka likely programs the used fungicide for the control of yellow and for development favorable conditions disease further. symptoms develop don’t disease Less outbreaks. blast Once to transplanted the field, et al. et al. Pyricularia Pyricularia angulata;

:

(1987) ( -

et al.

1971 harvest harvest disease. (2011) :

affects affects plants growth at stages. all The on to only be pathogenic is known Proc Proc Roy Soc Vic

) Mike Male, DEEDI. Ph: 07 4064 1157; Lynton Vawdrey, DEEDI. Ph: 07 4064 1132. (2005) : Ann Appl Biol

Korean J Plant Pathology Trans

Australasian Plant Disease Notes,

Pyricularia blast Banana K: D: Fungi, , C: , O: , F:

(Fig. 1) is a fungal pathogen in Southeast Asia and Central America but but (Fig. America and is Central rarely 1) in is a Southeast pathogen fungal Asia

Mycologia Mycol severe symptoms on a banana leaf (a); zonate coalescing lesions on leaf (b); colony on PDA P. angulata

Soc Musa 52

angulata

48 Pathogen of themonth Pathogen , 453

97 Japan , 90 , 1002 .

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12 is known to known infect parts is all of the asaprophyte plant and is also banana

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126

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119. DOI: 10.1007/s13314 .

banana trash. in is found hanging which reduces inoculum, field the density in Good crop hygiene glasshouse. andplant humidity reducing include controls Cultural Control: are key features conidia (Fig. 1d,e). and2 culture, conidiophores denticulate may Lesions then to up grow 10 mm diameter. in In hours, the centre darkens and depressed. becomes halo. The centre green. soaked remains After 48 2 circles On fruit, pits first appear as faint, reddish to large coalesce areas produce of necrotic tissue. (Fig. zonate appearance 1b). lesions Adjacent 10 mmdarker witha margin and diameter slightly in margin. are Mature colour, in 8 brown lesions yellow tan elliptical coloured spots 3 spots 1 mm diameter in that circular into or develop start On leaves, lesions tan light as small, coloured Distinguishing Features: Key Pyricularia P. oryzae -

4 mm in witha diameter narrow water

- genus have a global distribution affecting distribution have a genus global 011 , for the Blast. responsible Rice pathogen

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