海南省陵水黎族自治县假高粱的危害调查  

Investigation on the infestation of Sorghum halepense in Lingshui Li Autonomous County,Hainan Province

作　　者：刘延[1] 冯建敏 范志伟[1] 方世凯 Liu Yan;Feng Jianmin;Fan Zhiwei;Fang Shikai(Environment and Plant Protection Institute,China Academy of Tropical Agricultural Sciences Key Laboratory of Integrated Pest Management on Tropical Crops,Haikou 571101,China;Southem China Breeding Base Administrate Office of Hainan Province)

机构地区：[1]中国热带农业科学院环境与植物保护研究所农业农村部热带作物有害生物综合治理重点实验室,海南海口571101 [2]海南省南繁管理局

出　　处：《植物检疫》2020年第4期78-80,共3页Plant Quarantine

基　　金：海南省重点研发计划项目(ZDYF2019055);中国热带农业科学院环境与植物保护研究所基本科研业务费专项资金(1630042017017,1630042019014)。

摘　　要：假高粱是我国的检疫性有害生物,但近几年假高粱在海南省蔓延扩散速度加快。为提高海南省陵水黎族自治县南繁产地检疫效率,明确假高粱的危害等级和发生面积及分布范围情况,对域内假高粱的发生进行了调查,结果显示假高粱实际危害面积15.7 hm^2,分布于所有南繁核心区及辐射区域共计4215.6 hm^2,危害级别达到1级的0.33 hm^2,2级的0 hm^2,3级的1.67 hm^2,4级的4.01 hm^2,5级的8.97 hm^2,6级的0.67 hm^2。荒地、路两侧、灌溉水渠及河堤两岸、南繁试验田、菜地田埂等假高粱危害严重。Sorghum halepense is a quarantine pest of China,but in recent years,its spreading in Hainan Province has accelerated.In order to improve the quarantine efficiency of the Hainan National Breeding and Multiplication in Lingshui Li Autonomous County of Hainan Province,the damage grading,occurrence area and distribution range of Sorghum halepense were determined.The results showed that the occurrence area of Sorghum halepense was 15.7 hm^2,distributing within 4215.6 hm^2.There are 0.33 hm^2 of damage level 1,0 hm^2 of level 2,1.67 hm^2 of level 3,4.01 hm^2 of level 4,8.97 hm^2 of level 5 and 0.67 hm^2 of level 6.The places where Sorghum halepense is seriously endangered are wastelands,road sides,riverbanks,canal sides,breeding fields and ridges of vegetable field.

关 键 词：假高粱 南繁区 危害等级 

分 类 号：S412[农业科学—植物保护]