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    Question

    Parasitic weed Striga lutea which mainly attacks

    sugarcane crop belongs to which category?
    A Total Root Parasite Correct Answer Incorrect Answer
    B Partial Root Parasite Correct Answer Incorrect Answer
    C Total Stem Parasite Correct Answer Incorrect Answer
    D Semi Stem Parasite Correct Answer Incorrect Answer

    Solution

    Parasitic weeds : Weeds which are dependent on host plants for minerals and nutrients are known as parasitic weeds. Weeds which attacks root are called root parasite while those attacking on stem are known as stem parasite Root parasite: Total root parasite: Orobanche cernua on Tobacco                      Partial Root Parasite : Striga lutea on sugarcane Stem parasite: Total stem parasite:Cuscuta chinensis on leucern                      Partial Stem parasite: Loranthus longiflorus on mango

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