丹东蓝莓种植区气候条件影响分析

Effect of Climate Conditions on Blueberry in Dandong Open Field

利用1991~2020年地面气象观测数据和蓝莓物候观测资料,对丹东蓝莓种植适宜区气象指标进行对比分析,研究温度、水分、光照等气象条件对蓝莓生长的影响,分析各个蓝莓主要种植县的气象条件分布特征。结果表明:丹东蓝莓主要种植区域气候资源较好,除了冬季气温偏低外,基本满足蓝莓生长所需的气候条件。30年间4月平均气温振幅较大,需要防范春季倒春寒对蓝莓产业影响;受气候变化影响,降水集中时段有后延趋势,对于早熟和中熟品种蓝莓,在年景偏差情况下,需要加强水分管理,而对晚熟品种需要做好强降水和连阴雨等灾害性天气防范;光照条件完全满足蓝莓生育期所需,中部地区更有利于蓝莓种植。研究成果将为蓝莓产业发展提供参考。

Based on the ground-based meteorological data and the observed data of blueberry phenology from 1991 to 2020,the meteorological indexes of suitable areas for blueberry cultivation in Dandong were compared and analyzed,the effects of temperature,moisture and light on the growth of blueberry were studied,and the meteorological conditions in different counties were analyzed.The results showed that the climate resources of the main growing areas of blueberry in Dandong were good.Besides the low temperature in winter,the climate conditions for the growth of blueberry were basically satisfied.The temperature amplitude of April in 30 years is large,so it is necessary to prevent the influence of spring cold on the blueberry industry,water management needs to be strengthened,while late-maturing varieties need to be protected against disastrous weather condi-tions such as heavy rainfall and even overcast rain.The research results are expected to provide scientific ref-erence for the development of blueberry industry.