物业绿化员工培训：花木常见虫害防治技术.docVIP

物业绿化员工培训：花木常见虫害防治技术 物业绿化员工培训：花木常见虫害防治技术提要：刺吸害虫。主要有介壳虫、蚜虫、红蜘蛛、粉虱、蓟马、叶蝉、蝽象等。这类害虫用针状刺吸式口器刺入花木组织内,吸取汁液,常使花木卷叶或叶片上出现斑点 自 物业绿化员工培训：花木常见虫害防治技术 花木的害虫种类繁多,大体可分为食叶害虫、刺吸害虫及螨类、枝干害虫和地下害虫等4类。 食叶害虫。这方面有刺蛾、毒蛾、夜蛾、舟蛾、卷叶蛾、枯叶蛾、尺蛾、天蛾、凤蝶、粉蝶等幼虫及金龟子、金花虫、叶蜂等。这类害虫用咀嚼式口器取食,有的能把花木叶片食成缺刻,咬食花蕾使之残缺不全,或啃食叶肉仅留叶脉,甚至把叶全部吃光,有的卷叶危害等等。 防治方法: ①消灭越冬虫茧; ②利用成虫的趋光性,可设黑光灯诱杀; ③喷洒90%敌百虫或50%辛硫磷1000--1500倍液。 刺吸害虫。主要有介壳虫、蚜虫、红蜘蛛、粉虱、蓟马、叶蝉、蝽象等。这类害虫用针状刺吸式口器刺入花木组织内,吸取汁液,常使花木卷叶或叶片上出现斑点、枯黄、或因局部组织受刺激,使细胞增生形成虫瘿等症状。 防治方法: ①喷洒40%氧化乐果1000--1500倍液; ②保护和利用天敌,如瓢虫可捕食介壳虫。 蛀干害虫 钻蛀花木枝梢及茎干内取食,造成孔洞或隧道,直接影响主干和主梢的生长,易遭风折。 防治方法: ①剪除虫枝、消灭幼虫; ②人工捕杀或用黑光灯诱杀成虫; ③用80%敌敌畏500倍液或40%氧化乐果20--50倍液注射孔内或浸药棉塞孔,再用黏泥封孔。 地下害虫:常见的有地老虎、蛴螬、金针虫、蝼蛄等。这类害虫在土中危害花木的根部及基茎。 防治方法: ①圃地要精耕细作、消除杂草,并施用充分腐熟的有机肥,可减少蝼蛄、金龟子产卵。 ②毒谷毒杀。煮半熟的谷子,晾后拌上50%辛硫磷乳剂制成毒谷,每公顷用量15--30公斤,随同种子播下,可防治蝼蛄、蛴螬、金针虫等。 ③毒饵诱杀。取90%敌百虫50克,拌入5公斤煮至半熟或炒香的饵料中作毒饵,在傍晚撒入花木根部附近,可诱杀蝼蛄、地老虎。 自 Measures for the routine management of moral education in Middle SchoolsMethod of conventional management of moral education in middle schoolFirst, the guiding ideology:School moral education is an organic whole of the whole education work, always adhere to the school adhere to the moral education, education for this product, and actively promote the quality education, the school building efficient curriculum system of moral education, moral education, improve the sense of attraction and appeal, enhance the moral education work for through and timeliness. Teach everyone, service education and management education, and school moral education work must be with family education and community education closely together, to form a concerted pattern, and strive to create a good atmosphere for education, and to promote the all-round development of students, to establish a scientific moral education full of vigor the For long-term mechanism.Two, the goal of moral education:To guide the students to form the correct world outlook, outlook on lif