Burkholderia gladioli
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Author(s): Howard F. Schwartz, Colorado State University
Source: IPM Images
Burkholderia gladioli (Severini 1913) Yabuuchi et al. 1993
This bacterium infects a variety of plants, causing diseases like soft rot, blight, seed rot, seedling rot, leaf spot, or leaf necrosis. Rots can affect the bulb, corm, stem, shoot or the sheath of cereals. On the leaves, infections might start as water-soaked spots, before resulting in necrosis.
Rice is a common host, and B. gladioli mainly infects the panicles and seeds, leading to panicle blight, grain abortion and yield losses of up to 70% (Mirghasempour et al., 2018). Often the disease is also transmitted through infected seeds. On onions, infections typically lead to bulb rot and slippery skin, also in storage. Other commonly infected crops include maize, ornamentals and mushrooms. In addition, B. gladioli has been reported as a human pathogen.
Burkholderia gladioli pv. agaricicola causes soft rot or cavity disease on mushrooms
Burkholderia gladioli pv. alliicola causes soft rot and slippery skin on onions
Burkholderia gladioli pv. gladioli causes rot on Gladiolus bulbs.
Synonyms:
Pseudomonas gladioli
