Agriculture Reference
In-Depth Information
Table 8.5.
Principal diseases of banana, causal organisms, distribution, varietal susceptibility and symptoms.
Disease
Causal organism
Distribution
Varietal susceptibility
Symptoms
Bacterial
Moko
Pseudomonas
solanacearum
:
only distinct
strains of race 2
attack bananas
and plantains
Central and South
America, southern
Caribbean, Philippines,
Indonesia
Cavendish AAA
susceptible, Bluggoe
ABB susceptible, Horn
AAB resistant, Pelipita
ABB resistant
Root: progressive transient yellowing,
older leaves
fi
rst, necrosis and collapse
of base petiole, younger leaf panels
fl
accid and necrotic, premature bunch
development, discolored vascular
bundles cream to brown or black
in all parts of corm, roots, suckers.
Fruit: male bud blackens and shrivels,
vascular discoloration extends up fruit,
bunches blacken and rot and then it
progresses down pseudostem
Blood disease
Possibly related to
Moko
Indonesia
Bluggoe ABB susceptible
Similar symptoms to Moko leaf yellowing
but more conspicuous, reddish tinge
to discolored vascular bundles, infects
fruit via style
Rhizome rot
Erwinia
chrysanthemi
Worldwide
Certain AAA and AA
varieties susceptible
Rotting of corms, plant falls over. Soft,
pale brown or yellow rot in outer
