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以5年生“丽嘎啦”苹果为试材,选取高纺锤形、细纺锤形、自由纺锤形、Y形4种树形,运用三维数字化仪,结合Piaf Digit和Vege STAR 4.0软件,对“丽嘎啦”苹果的4种树形进行了为期2年的模拟,并对其产量、品质进行了分析,为三维数字化仪在树形评价方面的推广应用提供依据。结果表明:高纺锤形中下层的光截获率高于其它树形,总STAR与枝类STAR的线性相关性强于其它树形,中下层产量最高,品质也体现出优势,适合于光照充足的黄土高原地区矮化密植果园大量推广;各树形中皆是短果台副梢(PS)、短营养枝(VS)的STAR值高于其它枝类的STAR值;运用三维数字化仪可以准确地评价果树的总光截获率和各枝类的光截获率,能在果树上进行推广应用。
The 5-year-old “Lagar ” apple was used as the test material to select four kinds of trees with high spindle, fine spindle, free spindle and Y shape. Using 3D digitizer and Piaf Digit and Vege STAR 4.0 software, 2-year simulation of four tree types of “Li-Ga-La” apple was carried out, and its yield and quality were analyzed. This provided the basis for popularization and application of 3D digitizer in tree evaluation. The results showed that the light interception rate of middle and lower spindle spindle was higher than that of other tree branches. The linear correlation between total STAR and branches STAR was stronger than that of other tree branches. The yield of middle and lower middle layer was the highest and the quality was also superior. In the Loess Plateau, the dwarf and dense orchards orchards were widely popularized; the short fruit shoots (PS) and the STAR values of the short shoots (VS) were higher than those of other branches in all tree types. Using the 3D digitizer accurately Evaluating the total light interception rate of fruit trees and the light interception rate of each branch can be popularized and applied in fruit trees.