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  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • Orobanche is also known as ___________

    Question: Orobanche is also known as ___________

    Options:

    Broom Rape
    Witch weed
    Cuscuta
    Cactus

    🔑 Key Points
    Orobanche: Orobanche crenata (largest Orobanche species)
    → It is also called broomrape.
    → There are more than 150 species.
    → It is a total root parasite.
    → It is a serious phanerogamous parasite of tobacco. It also attacks other crops than tobacco.
    → A single plant carries 10-100 flowers and hence, may produce 1,00,000 or more seeds.
    → It mainly attacks Fabaceae and Apiaceae.

    📌 Important Points
    Management
    → Do not plant tobacco, potato, tomato, or brinjal in infested fields.
    → Uprooting of such plants weekly, preferably before seed set.
    → Deep ploughing before and after tobacco cultivation.
    → Field sprayed with chemicals like 2, 4-D.

    📝 Additional Information
    Weed
    → A weed is a plant that interferes with human activity or welfare.
    → It is also defined as a plant growing in a place where it is not desired at a particular point in time.

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