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我们在研究橡胶“三合树”冠接技术的时候,为了提高“三合树“冠接苗的成活率和越冬成活率,我们进行了试验观察,于78年9月下旬在试验场东风作业区GT1冠接苗（8月下旬冠接）上发现,塑料带捆绑部位出现不同程度的水渍状斑点、斑块或轻度烂块。为此,在三丘苗圃地上,选用GT1茎干,用红漆做记号,采用随机法解绑一部分植株。留一部分植株不解绑的做为越冬试验的对照植株。
When we studied the rubber “triple tree” crown technology, in order to improve the survival rate and overwintering survival rate of “triple tree” crown seedlings, we conducted a trial observation, in late September 78 in the test field Dongfeng operation District GT1 crown pick seedlings (crown in late August) found that the plastic strap bundles appear to varying degrees of water-like spots, plaque or mild rotten pieces. To this end, in the Sanqiu nursery on the ground, use GT1 stems, marked with red paint, using a random method to unblock part of the plant. Leave some plants untied untouched as control plants for overwintering experiments.