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      Question

      Which seed treatment chemical is used to break dormancy

      in lettuce seeds, especially under high temperature stress?
      A Potassium nitrate Correct Answer Incorrect Answer
      B Gibberellic acid Correct Answer Incorrect Answer
      C Thiourea Correct Answer Incorrect Answer
      D Hydrogen peroxide Correct Answer Incorrect Answer

      Solution

      Potassium nitrate helps break thermoinhibition-induced dormancy in lettuce seeds by acting as a chemical germination stimulant under warm conditions.

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