扦插是繁殖杜鹃最常用的方法,而霉季又是扦插杜鹃的最佳时期。因为从内因来看,霉季时杜鹃枝条已达半木质化,组织比较充实,内含的养分也比较多,所以此时的活力最为旺盛,其生根的能力也最强。从外因来看,霉季时气温在18～28℃,相对湿度在80％以上,这些条件对插穗的愈合与生根也是十分有利的。杜鹃的霉季扦插通常在5～6月进行,扦插的的适宜时间应视枝条发育情况而定,当新枝稍转为硬实且富有弹性、新梢上的刚毛已经转成黄色时,表 Cutting is the most common method of breeding rhododendron, and mold season is the best period of cutting azaleas. Because from the internal point of view, when the mold season, cuckoo branches have reached half-lignified, more substantial organization, contains more nutrients, so this time the most vigorous vitality, its ability to take root is also the strongest. From the external point of view, the temperature in the mold season at 18 ~ 28 ℃, relative humidity above 80%, these conditions on cuttings healing and rooting is also very beneficial. Rhododendron cuttings are usually carried out in May to June, the appropriate time of cuttings should be determined depending on the development of branches, when the new branches turn hard and flexible, the bristles on the shoots have turned yellow, the table