| 摘要 |
A method and device are provided for control of translocation in a stem by restriction of growth, the stem being contained within an incomplete enclosure having at least one gap or break in its limits so that growth of the stem will be restricted at the limits of the incomplete enclosure and will extend through the gap. Thereafter growth may extend into a slot, to be restricted at the lateral limits of the slot. The incomplete enclosure may lie at one level or may extend beyond one level. An incomplete enclosure may be placed at each of a plurality of levels. Application of the method results in increased availability of carbohydrates above the site of application for incorporation into and enhancement of production of leaves, stems, flowers, fruit and seeds.
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