长江流域梨树体管理增效技术规程

1、    长江流域梨树体管理增效技术规程    李先明 秦仲麒 涂俊凡 杨夫臣 朱红艳 伍涛 刘政 杨立 程寅胜摘要 针对长江流域地区由于高温、高湿、少日照气候条件导致梨树营养生长旺盛、冠层郁闭及病虫害滋生的问题，制定了长江流域梨树体管理增效技术规程，标准号db42/t 15782020。该标准规定了树体管理协同化学肥料和农药减施增效的树形管理、树体改造、修剪、树体下部管理及树体有害生物管理，以期通过提高树体冠层通风透光条件及自身抗病虫能力，从减少农药化肥的使用，实现梨产业的提质增效。关键词 树体管理;减施增效;协同;梨中图分类号 s 661.2 

2、; 文献标识码 a  文章编号 0517-6611（2021）19-0047-03doi：10.3969/j.issn.0517-6611.2021.19.012开放科学（资源服务）标识码（osid）：improving efficiency technical schedule of pear tree management in yangtze river basinli xian-ming，qin zhong-qi，tu jun-fan  et al（institute of fruit and tea， hubei academy of agricultural s

3、ciences，wuhan，hubei 430064）abstract high temperature， high humidity and less sunshine in yangtze river basin have caused vigorous vegetative growth， closure canopy， and outbreaks of pests and diseases for pear trees. therefore， we drew up“improving efficiency technical schedule of pear tree manageme

4、nt in yangtze river basin”（standard number： db42/t 1578-2020）. the standard defined pear tree management requirements including improving efficiency technology of chemical fertiller and pesticides， canopy remoulding， training and pest risk management. expect results of this technical schedule will i

5、mprove canopy environments and resistance to pests and diseases， which could reduce the use of chemical fertiller and pesticides and implement quality efficiency for pear industry.key words tree management;reducing application and increasing efficiency;coordination;pear基金項目 国家重点研发计划专项“长江流域梨优质高效品种筛选及配套栽培技术研究”（2019yfd10014