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冻害是对葡萄生产影响较大的自然灾害之一。据报道①②,在山东省胶东地区,葡萄也常发生冻害。各品种间尤以佳利酿品种冻害为甚。1983年春,我们在黄县调查葡萄丰产栽培经验中发现,这一年,其它品种均无冻害现象发生,而佳利酿却发生了不同程度的冻害。据当地果农反映,该品种每年均发生冻害。为了摸清佳利酿葡萄冻害发生的原因,以便采取相应的防止措施,我们于1983年5月初在黄县的黄山公社和海岱公社的有关大队进行了调查,并参考黄县农业局提供的有关资料,对佳利酿葡萄冻害进行了综合分析。
Frost damage is one of the natural disasters affecting grapes production. It is reported ① ②, Jiaodong in Shandong Province, the grapes often freeze damage. In particular, all varieties of good varieties of good fortune freeze injury is staggering. In the spring of 1983, we found in the experience of high-yielding cultivation of grape in Huang County that during the year, no freezing injury occurred in other varieties, but the degree of frost damage occurred in different degrees. According to the local farmers reflect, the breach occurs every year frost damage. In order to find out the reasons for the occurrence of the grape injury in Jiali in order to take appropriate preventive measures, we investigated the relevant brigades of Huangshan Commune and Haitai Commune in Huangxian County in early May 1983 and made reference to the suggestions provided by Huang County Agriculture Bureau Relevant information, carried out a comprehensive analysis of Jelly brewing grape damage.