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前言矮化中间砧致使苹果树矮化的机理是果树研究工作的主题之一。Dickson等的研究指出:叶面喷射的放射性示踪元素累积在矮化中间砧内。因此认为:向下运转的受阻是导致矮化的原因。也有试验表明放射性~(32)P从根部向上运送,到矮化中间砧时积累起来;但作者认为这是由于矮化中间砧的活组织所占比重不同引起的,而不是由于运输的阻塞。比较矮砧和乔砧无性系在解剖结构上的差异即活组织的含量在过去已有报导。Dena等人的研究
Introduction The dwarfing anvil causes the dwarfing mechanism of apple trees to be one of the main topics of fruit tree research. Studies by Dickson et al. Show that foliar sprayed radioactive trace elements accumulate in dwarfing anvils. So think: the operation of the obstruction is the cause of dwarfing. It has also been experimentally shown that radioactive (32) P is transported from the root up to the dwarfing of the intermediate stock, but the authors believe this is due to the difference in the proportion of living tissue in the dwarfing stock rather than the blockage of the transport. The differences in anatomical structure, ie, the content of living tissue, between the Dwarf and Qiao an clones have been reported in the past. Dena et al’s research