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本刊讯（特约通讯员徐祖进）为保护天敌，提高用药功效，减少环境污染，近年来在利用果树树干注液防治病虫害、增加树体营养、调节树体生长方面的技术开发应用发展较快，经过了树干高压注液──树干挂瓶滴注──树干插瓶滴注三个阶段。福建省莆田县果树研究所科研人员经过２０
In order to protect natural enemies, improve drug efficacy and reduce environmental pollution, in recent years, technology development and application in the use of fruit tree stem liquid injection to prevent pests and diseases, increase tree nutrition, and regulate tree growth have developed rapidly. Trunk high pressure liquid injection ─ ─ trunk bottle hanging drip ─ ─ Trunk inserted into the bottle three stages. Putian County, Fujian Province Institute of Fruit researchers after 20