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大家都觉得核桃适应性强,管理简单,病虫害少、用药少,省心省事,因此,近年来,山东省不少果农开始发展种植核桃。山东省水果创新团队专家成员、果农乐视频网负责人、费县果业管理局高级农艺师徐明举认为,这种心态“害苦”了不少果农。其实,核桃也有不少病害,对一些主要的病害,果农必须掌握防治技术。一、核桃腐烂病核桃腐烂病在核桃产区均有发生和为害。受害重的核桃林,株发病率可达80%以上。夏季主干会出现流黑水,病树
We all feel that walnut adaptability, simple management, less pests and diseases, less medication, peace of mind, so in recent years, many farmers in Shandong Province started the development of planting walnuts. Shandong Province, a member of the fruit innovation team, fruit farmers video network leader, County Farmer Authority senior agronomist Xu Ming held that this mentality, “bitter” a lot of farmers. In fact, there are many diseases walnut, for some major diseases, farmers must master the prevention and treatment technology. First, the walnut rot disease Walnut rot disease in the walnut producing areas have occurred and damage. Walnut heavy damage, the incidence of strains up to 80%. Summer trunks will appear black water, diseased trees