Mechanical scarification involves nicking or scratching the seed coat with a file or sandpaper to break through the hard outer layer. This method should be done carefully to avoid damaging the seed embryo. Zucchini seeds were planted in trays filled with potting soil and placed under controlled conditions of temperature and light. Methodology: To determine the optimal timing for transplanting zucchini seedlings, a controlled experiment was conducted in a greenhouse setting. ...
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