巨峰果实的着色期,适值河北中南部的雨季,该阶段空气湿度大、光照差,使得该地区的巨峰普遍存在着色不良,风味淡的缺点。为此,笔者根据大量资料,并结合中南部地区的实际情况,归纳提出几点促进巨峰葡萄着色的建议,供广大生产者在实际生产中参考。一、适当控制产量产量过高是巨峰葡萄上色不良的主要原因。巨峰葡萄的产量过高,会引起植株营养调运不平衡,果粒因得不到充足的营养而形不成或很少形成花青 Kyoho fruit coloring period, suitable for the rainy season in central and southern Hebei, the air humidity at this stage, poor light, making the Jufeng widespread ugly, light shortcomings. For this reason, based on a large amount of data and combined with the actual conditions in central and southern regions, the author summarizes some suggestions for promoting the coloring of Kyoho grapes for reference by the majority of producers in actual production. First, the appropriate control of yield is too high yield Kyoho grapes the main reason for the bad. Kyoho grape yield is too high, can cause plant nutrient imbalance, fruit due to lack of adequate nutrition and can not form or rarely form cyanine