基于SURFER技术的广西葡萄低温冷害空间分布研究

Study on spatial distribution of grape chilling injury in Guangxi based on SURFER technology

利用广西91个国家级气象观测站1961—2016年的气象资料,计算广西葡萄萌芽新梢生长期(2—3月)、开花坐果期(4—5月)和挂果期、生长旺季(5—6月)低温冷害发生频率,基于SURFER技术获得广西葡萄低温冷害发生频率的空间分布特征。结果表明,萌芽新梢生长期(2—3月)和开花坐果期(4—5月)低温冷害成为限制广西葡萄生产的主要气象灾害因子,根据划分出的葡萄低温冷害空间分布,将广西划分出轻度低温冷害区、中度低温冷害区、重度低温冷害区以及严重度低温冷害区。

Based on the meteorological data of 91 national meteorological observation stations from 1961 to 2016,the occurrence fre⁃quency of low temperature chilling injury in the period of sprouting and new shoot growth(February to March),flowering and fruiting(April to May),fruiting and peak growing season(May to June)in Guangxi was calculated.Based on SURFER technology,the spa⁃tial distribution characteristic of the occurrence frequency of low temperature chilling injury in Guangxi was obtained.The results showed that during the period of sprouting and new shoot growth(February to March)and flowering and fruit setting(April to May),chilling injury became the main meteorological disaster factor limiting grape production in Guangxi.According to the spatial distribu⁃tion of chilling injury of grape,Guangxi was divided into mild chilling injury area,moderate chilling injury area,severe chilling injury area and severe chilling injury area.