Erwinia mallotivora
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papaya plants infected with Erwinia mallotivora - A) leaf symptoms, left infected, right uninfected leaf, B) dieback symptoms with stem lesion (arrow) (click on image to enlarge it)
Author: Noriha Mat Amin et al.
Source: Int. J. Mol. Sci. (2011) 12, 39-45
Author: Noriha Mat Amin et al.
Source: Int. J. Mol. Sci. (2011) 12, 39-45
EM image of Erwinia mallotivora (click on image to enlarge it)
Author: Noriha Mat Amin et al.
Source: Int. J. Mol. Sci. (2011) 12, 39-45
Author: Noriha Mat Amin et al.
Source: Int. J. Mol. Sci. (2011) 12, 39-45
Erwinia mallotivora Goto, 1976
This bacterium has been reported from eastern Asia, where it infects papaya plants, causing a dieback disease. The symptoms include spots and chlorosis on the leaves, as well as greasy spots and water-soaked lesions on the fruits and stem. Severe infections can cause the death of the papaya plant.
In Malaysia, outbreaks have caused large-scale economic losses for papaya growers, with around 1 million trees being destroyed by the disease as of 2010. This translated into an estimated loss of US$ 58 million (Taha et al., 2019).
