Abstract: Objective To explore the effects of GA3 and multi-effect sequester on plant growth and development. Methods After cultivating several soybean seedlings to grow 2 to 3 real leaves, ga3 and multi-effect sepsis were used, water was used to control and soybean growth was observed. Results The soybean plants treated by GA3 were significantly higher than those of other plants, while the soybean plants treated with multi-effect frustration were smaller. Conclusion GA3 has the function of promoting plant growth and development, promoting stem elongation, multi-effect depression has the effect of inhibiting growth and development, and inhibiting plant stem elongation.<br>Keywords: GA3; Multi-effect frustration; Plant height; inter-sectional length
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