论文部分内容阅读
南宁市地处亚热带。气候环境适宜龙眼生长，也有利龙眼病虫害孳生危害，盛产园每年因病虫为害已造成较大损失。为弄清龙眼病虫发生的主要种类和危害情况，我们于１９９５年～１９９８年，在南宁市（含两县一郊）按龙眼生长的季节物候期，以多点系统调查与大面积开展常规普查相
Nanning is located in the subtropical zone. Climate suitable for the growth of longan, but also harm the longan pests and diseases, rich garden pests and diseases caused by pests have caused greater losses. In order to understand the main types of pests and their occurrences, we conducted a series of systematic surveys and large-scale routine surveys in the seasonal phenophase growing from longan to longan in Nanning (1995-298) Census phase