基于温度和相对湿度的香菇子实体生长模型构建

Establishment of Growth Models for Lentinula edodes FruitingBodyDevelopment Based on Temperature and Relative Humidity

温度和相对湿度是影响香菇(Lentinula edodes)生长发育的重要环境因子,通过控制香菇0912子实体生长期温度和相对湿度,定期调查子实体农艺性状,采用非线性建模,建立香菇菌盖直径动态模型和子实体鲜重动态模型。结果表明:温度与发育历期呈负相关关系,在一定范围内,香菇子实体发育历期随温度的升高而逐渐缩短,香菇子实体生长阶段有效积温为(715.2±2.2)℃·h^(-1);菌盖直径对子实体鲜重影响最显著;建立的香菇菌盖直径动态模型和子实体鲜重动态模型能够较好地预测子实体在不同温度和相对湿度条件下的动态变化。

Temperature and relative humidity are important environment factors for growth and development of Lentinula edodes.Through controlling environmental temperature and relative humidity,agronomical traits of fruiting bodies of L.edodes 0912 were monitored and the results were used to establish a pileus diameter model and a fruiting body fresh weight model by the nonlinear method,respectively.The results showed that temperature was negatively correlated with development period,and the effective accumulated temperature of fruiting body development was(715.2±2.2)℃·h^(-1).Pileus diameter had the most significant effect on fruiting body fresh weight.The established dynamic models of both pileus diameter and fruiting body fresh weight well predicted hourly change of fruiting body development under different temperature and relative humidity conditions.