WANG Hui,CHEN Meixiang,LI Wenyong,et al.Research on Spatial Distribution of Temperature and Humidity of Cucumber Canopy in Solar Greenhouses[J].Northern Horticulture,2015,39(17):41-46.[doi:10.11937/bfyy.201517011]
不同天气条件下黄瓜日光温室温湿度空间分布研究
- Title:
- Research on Spatial Distribution of Temperature and Humidity of Cucumber Canopy in Solar Greenhouses
- Keywords:
- solar greenhouse; temperature; humidity; ordinary Kriging; cucumber downy mildew
- 文献标志码:
- A
- 摘要:
- 以“京研迷你2号”黄瓜品种为试材，采用了普通克里格插值法，研究了模拟温室内不同时间点温湿度分布，并利用温室内温湿度测量值进行验证。结果表明：日光温室内温湿度测量值与模拟值的决定系数(Determination Coefficient，R2)为0.96和0.95，均方根误差((Root Mean Square Deviation，RMSD)为1.35℃和1.45%，平均偏差(Mean Bias Deviation，MSD)为-0.16℃和-0.14%。不同天气条件夜间温室内温度分布均匀，维持在10~15℃；湿度值在83%~98%，晴天白天温室内温度最高可达31℃。温室温度分布为冠层中央向四周逐渐降低，最大温差为6℃。最大湿度差值为5%，与温度分布规律相反。根据黄瓜霜霉病萌发和侵染条件，可利用温室冠层温湿度分布情况，判断黄瓜病害发病位置，以期为病害预警提供数据支持。
- Abstract:
- Taking ‘Jinyan Mini 2’ cucumber as experiment material，simulated temperature and humidity spatial distribution under difference time in greenhouse using Kriging method were studied，and verified using measured temperature and humidity.The results showed that R2 (Determination coefficient，R2)of measured values and simulated values were 0.96 and 0.95，with RMSD (Root Mean Square Deviation，RMSD) were 1.35℃ and 1.45%，MSD(Mean Bias Deviation，MSD) were -0.16℃ and -0.14%，respectively.Distribution of greenhouse temperature was uniform in night of the different types of weather conditions.The scope of temperature was 10-15℃，and the scope of humidity was 83%-98%.In the daytime，the maximum temperature in greenhouse was 31℃.Distributional regulation of temperature was decreased from middle to around greenhouse，and the maximum difference of temperature was 6℃.The maximum difference of humidity was 5%，distributional regulation of humidity was opposite with temperature.Based on spore germination and violating conditions of cucumber downy mildew，disease occurrence locations could be known using temperature and humidity distribution of cucumber canopy in the solar greenhouse.Thus，this work could provide the micro-environment data for the early warning system of cucumber diseases in solar greenhouses.
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备注/Memo
第一作者简介：王慧（1989-），女，硕士，现主要从事日光温室环境模拟等研究工作。E-mail：791698437@qq.com.责任作者：李明（1982-），男，山东济南人，博士，副研究员，现主要从事植物病害预警系统等研究工作。E-mail：lim@nercita.org.cn.基金项目：国家自然科学基金资助项目（31401683）；中国气象局气候变化专项资助项目（CCSF201521）；北京市农林科学院国际合作基金资助项目（GJHZ2013-4）；北京市农林科学院青年科研基金资助项目（QN201102）；欧盟FP7资助项目（PIRSES-GA-2013-612659）。