Question

Red dot of sugarcane and white rust of Radish are respectively caused by
A. Colletotrichum and Albugo Candida
B. Collectotrichum and Fusarium
C. Pythium and Phytophthpora
D. Albugo Candida and Puccinia Graminis
E. Albugo Candida and Cercospora

Answer 1

Hint: Sugarcane is a perennial grass that involves an average length of 6 meters. Several diseases like bacterial ( gumming disease, leaf scald), fungal diseases ( black dot, black stripe), viral diseases (streak disease, yellow leaf), etc. Radish is either a white carrot-shaped or round, red globe-shaped vegetable. The major diseases of the radish are black root, sectorial leaf spot, white rust, etc.

Complete answer:
Colletotrichum and Albugo Candida:
The red dot of sugarcane is caused by a fungus called Collectotrichumsp. Symptoms of this disease are yellowish leaves, dying of upper leaves, broken light-weighted cane, etc.
Albugo Candida is a fungus that causes white rust of radish. Symptoms of this disease are a cluster of white masses under the leaf and stem, root swelling, etc.
Fusarium sp.Is a fungus that causes crown rot, scab in various plants like tobacco, banana, tomato, etc.
Pythium and Phytophthora: Pythium is a fungus that causes cottony blight on the grass. Phytophthpora causes the root of rhododendron, late blight of potato, etc.
Pucciniagraminis is a fungus that causes Stem rust, cereal rust on wheat.
Cercospora Fungus causes leaf spot disease to the groundnut.

Note: Red dot of sugarcane is a fungal disease that mainly occurs in the rainy season. This is a very severe disease and can spread very quickly. The transmission medium of this disease is the soil. It can also be transmitted by air and raindrops. White rust of radish occurs in an extremely humid environment. The transmission process of the disease involves air transmission.