Question

Pusa Komal variety of cowpea is resistant to disease
a) White rust
b) Leaf curl
c) Bacterial blight
d) Hill bunt

Answer 1

Hint: Cowpea is the warm-season crop. It has tender pods used as food and the dried beans are used as pulses. It has a high nutritive value. The crop is also used as a fodder and is also used to replenish the soil with nutrients. It is a legume crop and is used in crop rotation.

Complete answer:
Cowpea has many varieties of presents. Pusa Komal is a variety that is resistant to bacterial blight. It is a bushy plant variety and yields light green pods. It can flower in 45 days. It is a hybridized variety of the plant which was developed in the IARI, New Delhi. Other varieties developed by the institute include Pusa phalguni, Pusa barsati, Pusa dgfasli, and Pusa rituraj. The bacterial blight of cowpea is caused by the Xanthomonas species. This disease is spread when the foliage is wet and is spread through wind and rain. The common symptoms found on the infected variety are the presence of small yellow and brown spots on the leaves. The spots usually turn dark brown in color and dry out. There is the appearance of the lesions which occur on the pods and causes the seed to become discolored. This disease can be prevented either by growing a disease-resistant variety of the plant or by the application of fungicides.

So, the answer is ‘bacterial blight’.

Note: The cowpea is from the legume family and gets infected by the disease of the bacterial blight. To avoid the attack of the fungi on the plant disease-resistant variety of the plant was produced by the process of hybridization.