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以7年生“晚秋蜜”桃为研究对象,利用热扩散茎流计TDP研究了其茎流速率的日变化规律及生长季月变化规律。结果表明:“晚秋蜜”桃树生长季茎流速率日变化规律明显,为双峰曲线,中午气温最高的时段(13:30-14:00)有午休现象。茎流速率月度差异明显,8月达到顶峰,为350g/h,7-9月茎流速率处于高位。
With 7-year-old “late autumn honey ” peach as the research object, the diurnal variation of stem flow rate and the variation of growing season were studied using the TDP of the thermo-diffusive stemflow meter. The results showed that the diurnal variation of stem flow rate in the peach tree during the late autumn peach season was obviously bimodal curve, with midday break at the highest temperature of noon afternoon (13: 30-14: 00). Stem flow rate of the monthly differences significantly, peaked in August, 350g / h, 7 - September stem flow rate at high.