论文部分内容阅读
我县的朱官屯果园1986年将原来定植的山杏[Armeniaca sibirica(L.)Lam]、山桃[Amygdalus davidiana(Carr.)Yü]、毛桃(Amygdalus kansuensis Skeels.)等实生苗,在距地面70～80cm部位改接为京红桃品种。嫁接当年长势良好,但1988年春发现利用山杏砧嫁接的桃树抽条严重。同一地块,利用山杏砧嫁接的桃树抽条株率达92.5％,抽条指数为75.6％;而利用山
In 1986, the Zhuguantun Orchard in our county replanted the originally planted seedlings of Armeniaca sibirica (L.) Lam, Amygdalus davidiana (Carr.) Yü, Amygdalus kansuensis Skeels, 80cm parts changed to Beijing red peach varieties. Good grafted year, but the spring of 1988 found that the use of prunus amurensis grafted peach pumping serious. In the same plot, the rate of the stripped peach tree was 92.5% and the index of stripping was 75.6%. The utilization of the mountain