论文部分内容阅读
为摸清松突圆蚧是否侵入我省,以确定相应的防范措施,遵照黄璜副省长的批示,由省森防站、省林科所、赣州地区林科所和赣州地区森防站组成联合调查组,于5月5日至6月3日到与广东毗邻的龙南、定南、全南、寻乌县及九连山自然保护区等地的松林(面积约10万亩)进行了调查。目前尚未发现该虫侵入我省。松突圆蚧是松树的一种毁灭性害虫,个体极小,体外有一层介壳包被,专为害松树,成虫和固定若虫寄生在松针叶鞘内,隐蔽性强,繁殖快,爬动若虫能随风飘移。1956年首次在日本发现,1982年在广东毗邻港澳的深圳、珠海发现以来,目前已蔓延到珠江三角
In order to find out whether Caesalpinatus invade our province to determine the appropriate preventive measures, in accordance with the instructions of vice governor Huang Huang, by the Provincial Forest Prevention Station, the Provincial Forestry Branch, Ganzhou Prefecture Forestry Bureau and Ganzhou Prefecture Forest Prevention Station Form a joint investigation team from May 5 to June 3 to the pine forests (covering an area of about 100,000 mu) in Longnan, Dingnan, Quannan, Xunwu and Jiulianshan Nature Reserves adjacent to Guangdong The investigation. The worm has not yet been found invaded our province. Bursaphelenchus xylophilus is a devastating pest of pines. It is a very small individual and has a layer of shell-coated in vitro. It is specially designed for parasitic pine trees, adults and fixed nymphs in pine needles. It has strong concealment and rapid propagation. Wind drift. It was first discovered in Japan in 1956 that in 1982, when Shenzhen and Zhuhai, adjoining Hong Kong and Macau in Guangdong, were discovered, Zhuhai now spread to the Pearl River Delta