Late blight and Early blight diseases of potato are caused by :

Options

A. Same fungus at different times
B. Two different fungus belonging to same group
C. Two different fungus belonging to different group
D. Same fungus at same time

Answer

**Step-by-Step Solution:**

1. **Identify the Diseases**: The question mentions two specific diseases affecting potatoes: late blight and early blight.

2. **Research Late Blight**: Late blight is a well-known disease in potatoes, primarily caused by a specific pathogen. Upon research, it is identified that late blight is caused by the fungus *Phytophthora infestans*.

3. **Research Early Blight**: Next, we look into early blight, another disease affecting potatoes. This disease is caused by a different fungal pathogen, which is identified as *Alternaria solani*.

4. **Conclusion**: Both late blight and early blight are caused by different fungi. Specifically, late blight is caused by *Phytophthora infestans*, while early blight is caused by *Alternaria solani*. Therefore, the answer to the question is that late blight and early blight diseases of potato are caused by two different fungi belonging to different groups.

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