Agriculture Reference
In-Depth Information
5b
5c
Plate 5.
Bacterial disease symptoms on onions. (a) Leaf collapse in the field caused by leaf base
rotting from infection with Erwinia carotovora, bacterial soft rot (image kindly provided by Bejo Zaden
B.V., Warmenhuizen, The Netherlands
©
). (b) Bulbs with a vinegar-smelling rot caused by sour skin
infection, Burkholderia cepacia(formerly Pseudomonas cepacia) (image kindly provided by Bejo
Zaden B.V., Warmenhuizen, The Netherlands
©
). (c) The early-stage symptoms of slippery skin
