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首页> 外文期刊>Acta Horticulturae >Long-term evaluation of super-dwarf rootstock: impact i on tree growth, productivity and apple fruit quality
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Long-term evaluation of super-dwarf rootstock: impact i on tree growth, productivity and apple fruit quality

机译：超级矮刀砧木的长期评价：影响我对树的增长，生产力和苹果果实质量

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摘要

Impact of planting distances on apple tree growth, yield parameters and internal fruit quality was evaluated in a 14- to 17-year-old orchard planted on super-dwarf P.22 rootstock. Trial was performed at the Institute of Horticulture Lithuanian Research Centre for Agriculture and Forestry in 2014-2017. 'Auksis' apple trees were planted at the distances 3x1, 3x0.75, 3x0.50, and 3x0.25 m. The strongest growth, the highest number and total length of shoots, the highest amount of flower clusters and yieldtree1 was recorded at planting distances 3x1 and 3x0.75. The growth and yield tree1 of very densely planted apples (3x0.25) was significantly lower, in spite of these trees being the most productive and giving the highest yield area1. The average fruitweight, diameter and colour were the best at planting distances 3x1 and 3x0.75. Fruit quality parameters significantly decreased in the super dense orchard. Long-term evaluation of apple trees on super-dwarf P.22 rootstock revealed that planting distance3x0.75 guarantee annual yields of high quality fruits even in a 14- to 17-year-old intensive orchard. In the case of orchard replacement after 10-12 years the optimal planting distance of apple trees on P.22 rootstock is 3 x0.5 in order to get the highest yield in the young age.
机译：在Super-Dwarf P.22砧木种植的14至17岁的果园中评估了种植距离对苹果树生长，产量参数和内部水果质量的影响。在2014 - 2017年在园艺研究所园艺研究所进行了试验。 'Auksis'苹果树被种植在3x1,3x0.75,3x0.50和3x0.25距离的距离。在种植距离3x1和3x0.75时记录最高的增长，芽的最高数量和射击总长度，最高的花簇和产量培养物1。虽然这些树木是最富有成效并给出最高屈服区域1，但是非常稠密地种植的苹果（3x0.25）的生长和产量树脂显着降低了。平均果子总量，直径和颜色是最好的种植距离3x1和3x0.75。超密集果园的果实质量参数显着下降。 Super-Dwarf P.22砧木上的苹果树的长期评价显示，种植距离3x0.75甚至在14至17岁的密集果园中均衡了高质量果实的年产量。在10-12岁后果园更换的情况下，P.22砧木上的苹果树的最佳种植距离为3 x0.5，以获得年轻时的最高产量。

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