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2024年芹菜病虫害绿色防控技术方案

2024-03-25 08:36:40 来源:全国农业技术推广服务中心 阅读量:11695 评论

导读:芹菜主要病害有斑枯病、叶斑病、菌核病、根结线虫病等;主要害虫有蚜虫、斑潜蝇、蓟马、甜菜夜蛾等。

  【农机网 科技创新】 为指导各地开展芹菜绿色生产,提高斑潜蝇、蚜虫、根结线虫病等病虫害绿色防控技术应用水平,保障芹菜生产安全和质量安全,特制定本方案。
 
  一、防控目标
 
  芹菜种植区主要病虫害防治处置率达到90%以上,总体防控效果85%以上,危害损失率控制在10%以内。
 
  二、防控策略
 
  贯彻“预防为主,综合防治”的植保方针。通过协调应用健康栽培、生物防治、理化诱控和科学用药等技术措施,实现芹菜主要病虫害的有效控制。
 
  三、防控对象
 
  芹菜主要病害有斑枯病、叶斑病、菌核病、根结线虫病等;主要害虫有蚜虫、斑潜蝇、蓟马、甜菜夜蛾等。
 
  四、防控措施
 
  (一)加强监测
 
  悬挂黄板监测蚜虫、斑潜蝇等;悬挂蓝板监测蓟马;安装性信息素诱捕器监测甜菜夜蛾;人工调查病害发生情况。
 
  (二)健康栽培
 
  1.选用抗(耐)性品种。宜选用商品性好、适合当地种植的抗(耐)性品种。
 
  2.轮作。不应与香菜、胡萝卜等伞形科蔬菜重茬,可与水稻、玉米等作物轮作。
 
  3清洁田园。及时清理残株、败叶,集中深埋或堆沤处理。
 
  4.翻耕晒垡。播种前,深翻土壤30厘米,晒垡5~7天,在沟渠和保护地边缘撒生石灰。
 
  5科学施肥结合深耕,施足基肥,合理追肥。宜施用饼肥或充分腐熟的农家肥。
 
  6.控温控湿,通风透光。保护地芹菜,白天棚室温度宜控制在15—20 ℃,高于25 ℃应及时放风,降温降湿,相对湿度控制在50—60%。夜间温度不低于10 ℃,相对湿度不高于80%。
 
  (三)高温闷棚消毒
 
  利用夏季高温休闲时间,将粉碎的稻草或玉米秸秆500公斤/亩,猪粪、牛粪等未腐熟的有机肥4—5立方米/亩,氰氨化钙70—80公斤/亩,均匀铺撒在棚室内的土壤表面。然后用旋耕机深翻地25—40厘米,起垄后覆膜浇水同时封闭棚膜。保持高温闷棚20—30天,处理结束后揭膜,旋耕土壤晾晒7—10天,使用微生物菌剂处理后即可种植。
 
  (四)生物防治
 
  1.施用微生物制剂。预防土传病害,可在播种或定植前使用木霉菌、枯草芽孢杆菌等生物菌剂进行土壤处理;对于根结线虫病发生地块,选用厚孢轮枝菌颗粒剂、淡紫拟青霉进行土壤处理或者穴施,或杀线虫芽孢杆菌B16进行穴施或者撒施,或苏云金杆菌HAN055随水冲施或灌根,或蜡质芽孢杆菌灌根;防治蓟马、蚜虫、甜菜夜蛾,应在害虫发生初期或低龄幼虫期,选用绿僵菌、球孢白僵菌等微生物药剂;防治甜菜夜蛾,可选用甜菜夜蛾核型多角体病毒进行防治。
 
  2.利用天敌。初见害虫时释放天敌,利用食蚜瘿蚊、瓢虫、蚜茧蜂等防治蚜虫,利用小花蝽、捕食螨等防治蓟马,释放草蛉、蠋蝽等防治甜菜夜蛾等鳞翅目害虫。
 
  (五)理化诱控
 
  在棚室门口和通风口安装40—60目防虫网;使用甜菜夜蛾性诱剂和诱捕器诱杀成虫。
 
  (六)科学用药
 
  防治蚜虫,选用苦参碱、吡虫啉、吡蚜酮、啶虫脒、噻虫嗪等药剂;防治甜菜夜蛾,选用苦皮藤素等药剂;防治斑枯病、叶斑病、菌核病等病害,选用咪鲜胺、苯醚甲环唑、吡唑醚菌酯、丙环唑、戊唑醇等药剂。种植前可采取种子和土壤处理,苗期和生长期灌根、喷施等方式进行施药。轮换使用不同作用机制农药,并严格遵守用药剂量、用药方法、用药次数和安全间隔期。
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