华山松嫩枝与硬枝嫁接技术研究

影响华山松嫁接成败的因子较多，但主要因子有：嫁接方法，砧木年龄，保护辊的使用，嫁接部位，操作技术，气象因子，嫁接时间等，试验结果表明，较好的嫁接方法为髓心形成层贴接法（硬枝接）和切接法（嫩枝接）；嫁接时间硬枝接以2－3月，嫩枝接以3－5月为宜，砧木年龄为3－5a；硬枝接嫁接部位取砧木中部效果好，嫩枝接使用保护罩效果好，阴雨天气嫁接成活率经晴天高，通过试验，筛选出华山松嫁接的最佳条件组合，且使嫁接时间由原仅限于2－3月延长到5月份。

Studies on grafting techniques of Pinus armandii

The stock age,grafting method,using protection cover,grafting time and so on would influence the svrvival rate about the grafting of Pinus armandii .The results of the experiment showed that the better grafting methods were graf ting of hard branches and grafting of tender branches.The stock age was from three to five years,and good results came from grafting in the middle of the stock with the tender branches protected by covers and better operating techniques.Compared with other weather conditions,grafting was better in cloudy and rainy days,and the living rate was higher than that in sunny days.The grafting time about hard branches of grafting was from February to March,and about tender branches of grafting was from March to May.The svrvival rate about grafting of Pinus armandii has been increased,and grafting time has been also prolonged through this experiment.