蝸(wo)牛(niu)屬(shu)腹(fu)足(zu)綱(gang)柄(bing)眼(yan)目(mu)大(da)蝸(wo)牛(niu)科(ke)爬(pa)行(xing)害(hai)蟲(chong),主(zhu)要(yao)生(sheng)活(huo)在(zai)疏(shu)鬆(song)肥(fei)活(huo)濕(shi)潤(run)的(de)菜(cai)地(di)上(shang),以(yi)舔(tian)食(shi)蔬(shu)菜(cai)的(de)葉(ye)綠(lv)素(su)及(ji)菜(cai)柄(bing)表(biao)皮(pi)組(zu)織(zhi)為(wei)主(zhu),是(shi)冬(dong)季(ji)蔬(shu)菜(cai)生(sheng)產(chan)中(zhong)的(de)主(zhu)要(yao)害(hai)蟲(chong)之(zhi)一(yi)。如果包心菜、黃芽白等在早期遇害,不僅葉包不了,嚴重時還會造成整株腐爛死亡。現將其防治措施介紹如下:
1.人工捕捉:蝸(wo)牛(niu)的(de)危(wei)害(hai)時(shi)間(jian)與(yu)其(qi)他(ta)害(hai)蟲(chong)有(you)所(suo)不(bu)同(tong),它(ta)主(zhu)要(yao)集(ji)中(zhong)在(zai)早(zao)晨(chen)菜(cai)地(di)回(hui)潮(chao)時(shi)和(he)陰(yin)雨(yu)天(tian),危(wei)害(hai)部(bu)位(wei)多(duo)為(wei)蔬(shu)菜(cai)近(jin)地(di)麵(mian)的(de)葉(ye)腋(ye)及(ji)葉(ye)背(bei)部(bu)。因(yin)此(ci),應(ying)在(zai)早(zao)晨(chen)和(he)雨(yu)天(tian)進(jin)行(xing)人(ren)工(gong)捕(bu)捉(zhuo),集(ji)中(zhong)消(xiao)滅(mie),這(zhe)樣(yang)對(dui)減(jian)少(shao)蟲(chong)源(yuan)和(he)減(jian)輕(qing)危(wei)害(hai)有(you)很(hen)好(hao)的(de)效(xiao)果(guo)。
2.物理防治:woniushupaxinghaichong,paxingshiwoniudetouyushenqujunluzaikewai,bingfenmichuyizhongnianye,kaozhezhongnianyequdongfuzubangzhuxingzou,yinci,zaishucaisizhousashicaomuhuihuogukehuijiashaoxushihuideng,kefangzhiwoniupashangcaigengjinxingweihai。yinweiwoniutishangdenianyezhanshangcaomuhuijishihuihou,bujinqudongbuleshenqu,erqiehuijiangzhanzaishenshangdecaomuhuijishihuidaijinkenei,bingyincichanshengmocazhisi。
3.藥劑防治:蔬菜移栽活棵後,可用敵百蟲800倍液進行防治,但為了生產無公害放心菜,最好用1波美度的石硫合劑進行防治。因為石硫合劑不僅是一種對蝸牛殺傷力強的堿性農藥,而且還是一種高效殺菌、殺卵的無公害蔬菜生產農藥。
手機版




