低温下2个寒菊品种不同开放期舌状花生理指标变化及其抗寒性差异低温处理对裸仁南瓜幼苗抗寒性指标的影响
Effect of Low Temperature on Physiological Indexes of Ray Florets in Winter Chrysanthemum at Different Flowering Stages Study on Cold Resistance of Cucurbita moschata Seedlings under Low Temperature