棉盲椿象包括綠盲蝽、中黑盲蝽等種類,常混合發生,為長圓形中小型昆蟲,有卵、若蟲與成蟲三種蟲態。卵為長茄形,在棉花上卵產於葉片的主脈、大葉的邊緣、葉柄和青鈴表皮下。以成蟲、若蟲危害,活動性強。棉花的頂心、邊心受害後造成棉葉穿孔、“破葉瘋”、無頭苗、多duo頭tou苗miao。花hua蕾lei被bei害hai後hou在zai蕾lei冠guan上shang出chu現xian黃huang斑ban,花hua藥yao萎wei縮suo,影ying響xiang受shou精jing,並bing造zao成cheng脫tuo落luo。幼you鈴ling受shou害hai後hou鈴ling殼ke上shang出chu現xian水shui漬zi狀zhuang棕zong色se圓yuan刺ci斑ban點dian,後hou轉zhuan為wei黑hei褐he色se,內nei部bu胚pei珠zhu受shou損sun,影ying響xiang纖xian維wei發fa育yu形xing成cheng,嚴yan重zhong時shi可ke連lian片pian凹ao陷xian成cheng為wei僵jiang果guo甚shen至zhi脫tuo落luo。
棉盲椿象為多寄主、雜食性害蟲,除危害棉花外,還危害蠶豆、苜蓿、苕子、大豆、馬鈴薯、胡蘿卜、向日葵、薄荷、花生、枸杞、聚合草、檾麻、野蘿卜、紅三葉、甜菜、芹菜、茼蒿等作物以及楊、柳、桑、槐等樹木及多種雜草。棉田外的盲椿象蟲源地防治對於減少棉田盲椿象發生與危害至關重要。
盲mang椿chun象xiang在zai棉mian田tian危wei害hai初chu期qi往wang往wang不bu易yi發fa覺jiao,在zai棉mian株zhu被bei害hai症zheng狀zhuang明ming顯xian時shi防fang治zhi又you失shi之zhi過guo晚wan,因yin此ci需xu在zai蟲chong情qing監jian測ce的de基ji礎chu上shang,加jia強qiang蟲chong源yuan田tian與yu棉mian田tian藥yao劑ji防fang治zhi,按an照zhao當dang地di農nong業ye技ji術shu部bu門men的de指zhi導dao科ke學xue用yong藥yao。盲mang椿chun象xiang苗miao期qi百bai株zhu有you蟲chong4-5頭,蕾期10-12頭,鈴期20-25頭,可用施閑、新寶、銳勁特、辛硫磷防治,並注意與其他棉田害蟲的兼治。如每畝用12%施閑乳油90毫升或24%新寶乳油90毫升均勻噴霧可兼治盲椿象、玉米螟、棉鈴蟲。辛硫磷等有機磷農藥及2.5%功夫菊酯、ruijintefangzhimangchunxiangxiaoguoyejiaohao。penyaoyiyongjidongmiwujixiaoguohao,yongxiaoxingshoudongpenwujishikeyiyongjijiajizitongshizuoye,youmiantiansizhoubaoweipensaxiaoguogenghao。miantiantaozhongmangchunxiangjizhuzuowuyingyibingpenyaofangzhi,zhezhongduinentou、邊心和蕾鈴噴灑。高溫季節注意安全用藥,禁止使用高毒、劇ju毒du農nong藥yao。對dui於yu盲mang椿chun象xiang危wei害hai棉mian株zhu形xing成cheng的de多duo頭tou苗miao,可ke通tong過guo及ji時shi整zheng枝zhi治zhi理li留liu二er頭tou或huo一yi個ge強qiang枝zhi等deng補bu救jiu措cuo施shi,充chong分fen發fa揮hui棉mian株zhu調tiao節jie補bu償chang作zuo用yong,特te別bie是shi表biao現xian在zai蕾lei的de大da量liang補bu償chang,促cu使shi結jie鈴ling數shu增zeng加jia,挽wan回hui部bu分fen損sun失shi,將jiang盲mang椿chun象xiang危wei害hai損sun失shi降jiang低di到dao最zui低di限xian度du。
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