A tropical and subtropical, bacterial plant pathogen with an extraordinarily wide host range. The most serious diseases caused by it are bacterial wilt of potatoes and tomatoes, Granville wilt of tobacco, and Moko disease of bananas. It is a pathogen of minor importance on a wide range of other crops. No vertical resistance are known and all resistance breeding must be for horizontal resistance. Pseudostem
A false stem. Bananas have pseudostems which look like tree trunks but are not. Each banana stem consists of layers of leaf sheaths, with the flower peduncle growing up through the centre and emerging at the centre of the crown. It is a mistake to call a banana plant a tree, as it has no woody tissues. It is the largest known herb.
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