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    Question

    Which of the following symptoms are caused by Rice stem

    borer?Ā 
    A Dead heart Correct Answer Incorrect Answer
    B White head Correct Answer Incorrect Answer
    C Silvery shoot Correct Answer Incorrect Answer
    D Both a and b Correct Answer Incorrect Answer
    E All of the above Correct Answer Incorrect Answer

    Solution

    The caterpillar of stem borer bores into central shoot of paddy seedling and causes drying of the central shoot known as ā€œdead heartā€. When stem borer attacks in flowering stage, it causes whitehead.

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