Abstract: Objective To explore the effects of Ethephon and salicylic acid on plant growth and development. Methods two bananas were treated with Ethrel and salicylic acid respectively, and then put into closed and dark condition, and the ripeness was observed, and water was used as control. Results the ripening of banana was the fastest after Ethrel treatment and the slowest after salicylic acid treatment. Conclusion ethephon can accelerate banana ripening, and salicylic acid can inhibit banana ripening.<br>Key words Ethrel salicylic acid mature<br>
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