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目前国内培育矮化中间砧果苗需二、三年的时间,为了缩短矮化果苗的培育时间,我们于1978～1980年以淄博海棠为基砧,MM106为中间砧,上接青冠、金冠、锦丽和富士等品种,进行了快速培育矮化中间砧果苗的技术研究,并预期达到了当年播种、当年两次嫁接(中间砧和品种)、当年出圃“三当”育苗的效果,折合每亩生产苗木8780余株。其中定干处(50厘米高)干粗在0.5厘米以上占60%。
At present, it takes two or three years to cultivate dwarfing intermediate anvil seedlings, in order to shorten the cultivation time of dwarfing seedlings, we use the rootstock of Begonia of Zibo from 1978 to 1980, MM106 as the intermediate anvil, Jinli and Fuji varieties were rapidly cultivated dwarfing intermediate seedling seedling technology research, and is expected to reach the year sowing, then grafting (intermediate anvil and varieties), then out of nursery “three when” nursery effect, equivalent to each Mu production more than 8,780 seedlings. Which set dry (50 cm high) dry thick at 0.5 cm or more accounted for 60%.