Often one finds it difficult to control diseases in advanced stage and as it is rightly said that prevention is better than cure. It is same with case of fungal disease affecting Vegetable cow pea .Locally known as Karivally. The occurrence usually noticed during rainy season.
The main symptom exhibited by the plant is the discolouration of green stem in to black one. This results in reduction in yield to the tune of 20to 30%. Even though recommendation exists for control of spraying Dithane. M.45 , Treatment of seeds with fungicides etc.The result is not promising. As Vegetable Cow pea fetches good price in Kerala markets ,not below Rs. 20per Kg the construction of low-cost polyhoues which protects the crop from rain can be easily adopted and can save crop from the fungus to certain extend.
The main symptom exhibited by the plant is the discolouration of green stem in to black one. This results in reduction in yield to the tune of 20to 30%. Even though recommendation exists for control of spraying Dithane. M.45 , Treatment of seeds with fungicides etc.The result is not promising. As Vegetable Cow pea fetches good price in Kerala markets ,not below Rs. 20per Kg the construction of low-cost polyhoues which protects the crop from rain can be easily adopted and can save crop from the fungus to certain extend.
