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一、发生情况 1979年春,我市南郊区的南片,即北大港周围地区各果园的成龄苹果树,比较普遍地发生了一年生结果枝顶花芽僵枯的现象。调查位于北大港南、西、北方向的沙井子、太平村、徐庄子、小王庄、赵连庄等5个公社的20个大队和北大港、大苏庄、团泊洼等3个农场的成龄果园,均见到僵芽现象。除苹果外,在一些单位的成令洋梨和某些成令华南品种桃树上亦有不同程度的发生。
First, the occurrence of the spring of 1979, the southern suburbs of our city, that is, the orchard around the North Dagang orchard of apple trees, the more common occurrence of an annual Zhizuzhijia bud phenomenon. Investigate 20 production brigades of 5 communes such as Shajingzi, Taipingcun, Xuzhuangzi, Xiaowangzhuang and Zhaozhuangzhuang which are located in the south, west and north of Beida Dagang and Chengguoyuan Orchards of 3 farms such as Beida Dagang, Da Suzhuang and Tuanbowa, All see the stiff bud phenomenon. In addition to apples, there are also some degrees of peanut production in some units and some peach trees that make up the South China variety.