论文部分内容阅读
随着人们生活水平日益提高,对高档果品的需求愈加强烈,而我国苹果优产区的甘肃和陕北地区,管理水平仍然较低,低端药剂、高毒药剂(如福美胂)滥用现象普遍,导致该区域苹果园不能健康发展,甚至许多果园农残超标严重。特别是近几年遇到雨水增多,许多果农对褐斑病、斑点落叶病、锈病等病害防治不能到位,造成早期落叶现象非常严重。为此,龙灯作物科技有限公司根据甘肃庆阳地区实际情况和病虫害发生
With the improvement of people’s living standards, the demand for high-grade fruit products is more and more intense. However, the management level of Gansu and Northern Shaanxi Provinces in China’s apple-growing areas is still low. The abuse of low-end and highly toxic agents such as arsmethoxine is widespread , Resulting in the healthy development of apple orchards in the region, and even many pesticide residues in orchards exceeded the standard seriously. In particular, in recent years, more and more rain growers encounter problems such as brown spot, spot defoliation and rust, which can not be put in place. As a result, the phenomenon of early deciduous leaves is very serious. To this end, Longsheng Crop Science and Technology Co., Ltd. according to the actual situation in Qingyang, Gansu Province and pests and diseases occur