先在树干的顶部包些椰棕，以模仿老枝的效果。

First wrap some coconut fiber around the top of your tree trunk. This is to imitate old grow of branches.

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结果表明SDV在老叶、老枝皮中全年均检测不到；

The results show that SDV could not be detected in old leaves and stem barksall over the year.

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教科书建议我们，当它一开完花，就立即将它修剪至只剩老枝。

The text-books instruct us to prune it hard back ot the old wood immediately after it has finished flowering;

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