Black rot in cabbage? Here is how you manage
`Black rot’ disease in Cabbage plants is seen during seasons where there is strong mist and winds. Black rot disease in cabbage plant destroys the leaves of the plant and is recognized by large yellow leaves. The bacterium can infest seed, infecting young seedlings as they emerge. The disease completely destroys the plant. A cure would be to spray the plant with 20 gms of Pseudomonas Fluorescens mixed in water.