Contol of this pest is by spraying insecticides. Attacks the stem at the ground level causing the stem to fall. Control is by use of insecticides. This disease is caused by a bacteria and is characterised by leaves which turn yellow and roting of the stem giving an offensive odour. This disease is caused by fungus and is characterised by brown or black spots on seedlings and dark canker on the stem.
Control is by crop rotation and the destruction of the affected seedlings.
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