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Use of PGR's During Establishment Years

机译:在建立年份使用PGR

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摘要

There are a few PGR's (Plant Growth Regulators) that can be used in the establishment years. There are three defined stages for discussion of PGR's use in high-density apples during the early years of the orchard. First, is the vegetative stage of young trees when they are growing vigorously to fill space, usually the 1 st and 2nd leaf. Second, during year 3 and 4 leaf the trees are in a transition stage between vegetative and fruiting. Third, the bearing stage sometime starting in year 4 or 5. Withrecent technology changes in tree production and now, even higher densi-ties being planted, apples may reach stage in the 3rd leaf.
机译:有一些PGR(植物生长调节器)可以在建立年份使用。 在果园的早期,PGR在高密度苹果中使用了三个定义的阶段。 首先,是幼树的植物阶段,当它们剧烈填补空间,通常是1号和第2叶。 其次,在第3年和4岁之间,树木在营养和结果之间的过渡阶段。 第三,轴承阶段在4或5年开始时开始。在树生产中的改变,现在,甚至种植更高的阴部,苹果可能在第3叶中达到舞台。

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