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莱州市栽培月季的常规开花时间是5月中、下旬。根据需要,要使月季花提前到4月中旬开花,是一个值得研究的新课题。1992年我们进行了人工催花技术试验。通过调控生长发育需要的积温和强化管理措施,经过146天的工作,达到了预
Laizhou cultivation of roses is the general flowering time in mid-May, late. According to the need, to make the rose early flowering in mid-April, is a new topic worthy of study. In 1992 we conducted artificial flower technology test. Through the control of growth and development needs accumulated temperature and strengthen management measures, after 146 days of work, reached the pre-