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本试验于1985—1986年,在山西省祁县昌源河水管理处矮化苹果试验园内进行。其方法是在园中随机调查96株矮化苹果树,砧穗组合分别为:1981年定植的基砧为山定子的金冠/M9、金冠/M7、国光/M7;1982年定植的基砧为山定子的红星/MM106、红星/M4。调查每一单株的干周、树高、冠高、冠径、枝类比、主枝数目、主枝角度、单株叶量、单株叶面积、单株枝量与产量以及树冠内务部光强。单叶面积用透明方格法进行测定,以枝、叫回归方程测叶总面积。
The experiment was carried out in the dwarf apple test garden of Changyuan River Water Management Office of Qixian County in Shanxi Province from 1985 to 1986. The method is to randomly survey 96 dwarf apple trees in the garden. The combinations of rootstock and scion are respectively: Golden Crown / M9, Golden Crown / M7, Guoguang / M7 of mountain statues planted in 1981; Mountain Stator’s Red Star / MM106, Red Star / M4. The dry weeks, tree height, crown height, crown diameter, branch analogy, number of main branches, main branch angle, leaf number per plant, leaf area per plant, branch number and yield per plant, Strong. Leaf area with a transparent grid method for the determination of branches, called the regression equation to measure the total leaf area.