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首页> 外文会议>第四届智能化农业信息技术国际学术研讨会（The 4th International Symposium on Intelligent Information Technology in Agriculture(ISIITA)）论文集 >THE CORRESPONDING RELATIONSHIP BETWEEN ROOT-ZONE WATER POTENTIAL AND THE CHANGES OF DIAMETERS OF GRAPEVINE SHOOT AND BERRY
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THE CORRESPONDING RELATIONSHIP BETWEEN ROOT-ZONE WATER POTENTIAL AND THE CHANGES OF DIAMETERS OF GRAPEVINE SHOOT AND BERRY

机译：根区水势与葡萄柚子粒和浆果直径变化的对应关系

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摘要

The effect of root-zone water potential (RWP) on the simultaneous diameters of shoot and berry was assessed in 3-year cultured grapevine (Vitis vinifera x V. labrusca) with digital photograph during fruit expansion and softening stages. The time series analysis was applied on data analysis. The results showed that: During fruit expanding stage, the trend of the fruit diameter begins to decline when the RWP is lower than -30 KPa. The trend of the fruit diameter slumped when the RWP reached to -160 KPa during softening stages. So the irrigation should be carried out when the RWP decreased to -30 KPa during fruit expending stage, and to -160 KPa during softening.
机译：在果实膨大和软化阶段，用数码照片评估了3年培养的葡萄树（Vitis vinifera x V. labrusca）中根区水势（RWP）对枝条和浆果同时直径的影响。时间序列分析应用于数据分析。结果表明：在果实膨大阶段，当RWP低于-30 KPa时，果实直径的趋势开始下降。当软化阶段的RWP达到-160 KPa时，果实直径的趋势急剧下降。因此，在果实膨大期RWP降至-30 KPa，软化期降至-160 KPa时应进行灌溉。

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