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  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • ) Which variety of mango is tolerant to powdery mildew?

    Question: ) Which variety of mango is tolerant to powdery mildew?

    Options:

    Ratna
    Rumani
    Mallika
    Lal sindhuri

    • Explanation:
    Lal sindhuri mangoes are considered one of the more tolerant varieties to powdery mildew, a fungal disease that can affect mango trees. While no variety is completely immune, Lal sindhuri shows some resistance compared to others.

    • Powdery Mildew:
    Powdery mildew is a fungal disease that appears as white powdery patches on leaves, flowers, and young fruits. It can affect mango yield and fruit quality.

    • Why Lal Sindhuri is Tolerant:

    • The exact reasons for Lal sindhuri's relative tolerance are not fully understood, but some theories suggest:
    -Genetic resistance: The Lal sindhuri variety may have inherent genetic traits that make it less susceptible to powdery mildew infection.
    -Physical characteristics: Certain physical characteristics of Lal sindhuri leaves, such as their thickness or surface texture, might make them less favorable for fungal growth.

    🔴 Related Terminology:
    -Powdery mildew: A fungal disease that forms white powdery patches on plant surfaces. Powdery mildew of mango is caused by the fungus Oidium mangiferae
    -Tolerance: The ability of a plant to withstand infection from a disease without severe damage.

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