A) Claviceps
B) Alternaria
C) Phytophthora
D) Albugo Candida
Correct Answer: D
Solution :
Albugo Candida, an obligate parasite cause White rust among crucifers and is characterised by the appearance of irregular white blisters on leaves and stems. Phytophth.ora in festans causes a serious potato disease known as potato blight or late blight of potato resulting in foliage blight and rot of tubers. The fungus (Claviceps purpurea) is responsible for causing the ergot disease which to some extent, lowers the yield of rye plant but the disease seldom is of much consequence. Alternaria tenuis is the causative agent of leaf blight of wheat seedlings.
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