By spraying different concentrations paclobutrazol on the intactpeanut leaves of middle stage in the field,the changes of polyamines and some physiological indexes were studied.

• 通过对大田条件下生殖生长期花生喷施不同浓度的多效唑，研究了多效唑对叶片内源多胺及其它衰老指标的影响。