河西走廊啤酒花甲酸含量与气象条件相关分析——以甘肃玉门镇为例

Correlation of Formic Acid Content of Hops and Meteorological Conditions in Hexi Corridor——Taking Yumen Town as an Example

为研究河西走廊啤酒花甲酸含量与气象条件的关系,笔者利用1989—2013年甘肃玉门镇啤酒花甲酸含量(ɑ-酸)资料以及同期地面气象观测资料,分析该区域温度、光照、降水(水分)等主要气象因子对啤酒花甲酸含量的影响。结果表明,在啤酒花上蔓—现蕾开花期的5—6月最低温度与甲酸含量存在显著负相关;≥10℃积温越高,甲酸含量越低。啤酒花成熟采摘期的日照越多,甲酸含量越高。萌芽期相对湿度与甲酸含量呈显著正相关;现蕾开花期的水汽压与甲酸含量存在二次曲线关系。同时,利用SPSS统计分析软件对啤酒花甲酸含量与各气象要素进行逐步回归分析,建立了啤酒花甲酸含量预测模型,有利于在实际工作中分析应用。

The paper aims to study the correlation of formic acid content of hops and meteorological conditions in the Hexi Corridor.The authors used the formic acid content data of hops（ɑ-acid）in Yumen Town,Gansu in 1989-2013,and the surface meteorological data over the same period,to analyze the effect of major meteorological factors（temperature,light,precipitation（water）and so on）on formic acid content of hops.The results showed that：the lowest temperature from May to June during vine-budding flowering periods of hops and the formic acid content had a significantly negative correlation;the higher the ≥10℃accumulated temperature was,the lower the formic acid content of hops was.The more sunlight during mature-picking periods of hops was,the higher the formic acid content was.The relative humidity and formic acid content in germination stage had a significantly positive correlation,the vapor pressure and formic acid content in bud flowering stage had a quadratic relationship.Meanwhile,the authors adopted SPSS statistical analysis software to do the stepwise regression analysis of the formic acid content of hops and meteorological factors,established a prediction model of the formic acid content of hops,which was helpful to practical analysis.