小麥吸漿蟲是一種毀滅性的害蟲,對小麥的產量和質量影響非常大,它可使小麥常年減產1-2成,吸漿蟲發生的年份可減產4-5成,嚴重者達8-9成。
小麥吸漿蟲有麥紅吸漿蟲和麥黃吸漿蟲兩種,在我國基本上1年發生1dai,yichengchangdeyouchongzaituzhongjiejianyuexiayuedong,lainianchuntianyouturangshencengxiangdimianyidong,ranhouhuayongyuhuaweihongsehuohuangsedechengchong,tixingxiangwenzi,zaifeidaomaisuishangchanluan。haichongdefashengdaduoshuyuxiaomaishengchangjieduanxiangdang,dangxiaomailulianchousuishi,chengchongyuhuafeichu,dangxiaomaichouqisuishi,dabufendechongzidoufeichulaidaomaisuishangchanluan,jingguo4-5天,卵化出小幼蟲,幼蟲鑽到麥穗的麥粒上,用嘴刺破麥皮,吸食流出的漿液,造成麥子秕粒,導致減產。幼蟲經過15-20天,便離開麥穗鑽入土壤,一般在離地麵10厘米左右的表土最多,隨濕度的降低而鑽入地下20厘米左右處過冬。
防治吸漿蟲應采取以下措施:
選種抗蟲優良品種抗蟲。近年各地種植如威農151、徐川2111等,都對吸漿蟲具有較高的抗蟲性。
caiyongnongyeshengwucuoshifangzhi。zaixijiangchongfashengyanzhongdediqu,youyuhaichongfashengdemidujiaoda,ketongguotiaozhengzuowubuju,shixinglunzuodaocha,shixijiangchongshiqujizhu。keshixingtudilianpianshenfan,baqianzangzaitulidexijiangchongbaoluzaiwai,cuqisiwang,tongshijiaqiangfeishuiguanli,chunguanshicujinxijiangchongpojianshangshengdezhongyaotiaojian,yaohelijianshaochunguan,jinliangbuguan,shixingshuidihanguan。shizujifei,chunjishaoshihuafei,cushixiaomaishengchangfayuzhengqijianzhuang,jianshaoxijiangchongqinhaidejihui。
liyonghuaxueyaojifangzhi。fangzhixiaomaixijiangchongyiyoujilinshajiweizhuyaofangzhi,tebieshiyiyongshengqishiyaofangzhixiaoguozuihao,keyizhijieshasiyibufenyongheshangshengdetubiaoyouchong,tongshiyizhichengchong。qifangzhifangfa:以粉劑或乳劑製成毒土(或毒沙)撒施,即每畝用3%甲基一六O五粉劑2千克,均勻混合20千克細沙配製成毒土,隨配隨用,均勻撒入麥田。也可每畝用40%甲基異柳磷乳劑100-200毫升,兌水2千克,均勻噴在20千克幹細土上,撒施麥田。
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