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秋季以(14)~C 喂饲红星苹果幼树,矮化中间砧树萌芽期根系上运(14)~C 同化物质较少,地上部萌芽消耗降低了同化物质含量,低于乔砧树。根系相对量增高,高于乔砧树.营养期能节约利用上年贮存的(14)~C 同化物质,地上部含量又高于乔砧树,地上部和根系间的含量差异加大,其含量和差异程度随时间增长而增加。一年生枝生长期含量低于乔砧树。矮化中间砧段对碳素营养物质的上运也有滞阻作用,从而进一步影响地上部和根系的生育、花芽形成、产量和果实品质。
In autumn (14) ~ C fed Red Star apple saplings, dwarfing middle rootstocks germination of the root system up transport (14) ~ C assimilation material less shoots above ground reduce the assimilation material content, lower than Joe anvil trees. The relative amount of root increased higher than that of Qiao anqin. The nutrition period could save the use of (14) ~ C assimilation material stored in the previous year, the content of aboveground part was higher than that of Qiao anqiu tree, the difference of content between shoot and root increased The level of content and diversity increased with time. The content of annual branch growth is lower than that of Joe rootstock. The dwarfing middle anvil segment also has a retarding effect on the uptake of carbon nutrients, thereby further affecting the growth, flower bud formation, yield and fruit quality of shoots and roots.