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通过叶分析能测定出植株的营养状况,以及确定不同砧木对嫁接品种营养状况的影响。材料和方法包括自根砧和中间砧共21个类型:即法国酸苹果实生苗和R5(乔砧);A2、K-14和MM111(半乔砧);MM106、M2、M7/R5、M7/MM104、M2/MM104、M7/MM111、M7/A2和M7/M2(半矮砧);M26、M9/R5、M26/R5、M9/MM104、M26/MM104、M9/MM111、M26/A2和M9/A2(矮砧),品种为元帅苹果。于1969年定植在东北堪萨斯园艺场,每种砧木6株,
By leaf analysis, the nutritional status of the plants can be determined, and the effects of different rootstocks on the nutritional status of the grafted varieties can be determined. Materials and methods included 21 types of self-rooting and intermediate anvil: French acid apple seedlings and R5 (Avena sativa); A2, K-14 and MM111 (semi-anvil); MM106, M2, M7 / R5, M7 M9 / MM104, M26 / MM104, M9 / MM111, M26 / A2 and M7 / M9 / A2 (dwarf anvil), a variety of Marshal apples. In 1969 colonization in the horticultural field in the Northeast Kansas, each stock 6,