利用PM - 11植物生理生态监控系统,对无核白葡萄枝梢直径、果实横径及气象因子进行了同步自动采集,并对其变化过程进行分析,结果表明:结果母枝与主枝变化趋势一致,但结果母枝直径的变化幅度大于主枝,且对环境变化的反应较主枝敏感；果实与枝梢生长间存在明显的竞争；日辐射、气温、空气湿度可影响结果母枝直径的变化.%The data of meteorological parameters, shoot diameter and fruit transverse diameter of Thompson seedless grape were recorded by using PM - 11 plant physiological and ecological monitoring system, and their dynamic changes were analyzed. The results showed that the main branch and the bearing shoot had the consistent variation trend, but the diameter of the bearing shoot had greater change range than that of the main branch, and the bearing shoot was much more sensitively responsive to the environmental change than the main branch. There was a significant competition between fruit growth and shoot growth. The diameter of the bearing shoot was influenced by solar irradiation, air temperature and air humidity.
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