【摘要】 从接穗选择、嫁接时间、接穗保存时间等方面,在高海拔地区对彰武松嫩枝嫁接技术进行了相关试验分析。结果表明,嫁接时必须选择粗度适宜的健壮接穗和无病虫害的砧木;根据拉萨地区气候特点和温度对产生愈伤组织的影响,嫁接时间应选择在5月底—6月初;接穗保存时间与嫁接成活率呈负相关,应缩短运输和保存时间,提高嫁接成活率。更多还原

【Abstract】 The twig grafting techniques of Pinus densifloravar var.Zhangwuensis were studied in high altitude areas from the aspects of scion selection, grafting time and preservation time.The results showed that when grafting, strong scions and rootstocks without diseases and insect pests with suitable thickness must be selected; according to the climate characteristics and the influence of temperature on callus production in Lhasa, the grafting time should be chosen at the end of May and the beginning of June; the preservation time of scions was negatively correlated with the survival rate of grafting, so the transportation and preservation time should be shortened and the grafting time should be improved,in order to promote the survival rate of grafting.更多还原