| 摘要 |
A growth regulation process involving certain phosphonic acid compounds having the general formula: <IMAGE> The growth regulation process of the present invention relates mainly, though not entirely, to the inducement of an ethylene response or ethylene-type response in plants and part thereof including, but not limited to, stems, roots, leaves, flowers, buds, and harvested as well as unharvested fruit. The method of the present invention produces a wide variety of plant growth responses including: 1. Increasing yields 2. Auxin activity 3. Inhibition of terminal growth, control of apical dominance, increase in branching and increase in tillering 4. Changing bio-chemical composition of plant or portions thereof 5. Abscission of foliage, flowers and fruit 6. Hastening ripening and color promotion in fruit 7. Increasing flowering and fruiting 8. Abortion or inhibition of flowering and seed development 9.
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