一、發生動態
受(shou)菌(jun)源(yuan)量、氣候、作物長勢等(deng)因素影響,當前(qian)全省小麥(mai)、油(you)菜(cai)主要病(bing)(bing)(bing)(bing)(bing)蟲(chong)害中等(deng)發(fa)(fa)(fa)生(sheng)(sheng)(sheng),輕于常年(nian),重于去(qu)年(nian),主要有條銹(xiu)(xiu)病(bing)(bing)(bing)(bing)(bing)、白(bai)粉病(bing)(bing)(bing)(bing)(bing)、菌(jun)核病(bing)(bing)(bing)(bing)(bing)、霜霉病(bing)(bing)(bing)(bing)(bing)、蚜蟲(chong)等(deng),發(fa)(fa)(fa)生(sheng)(sheng)(sheng)面(mian)(mian)積(ji)(ji)490萬(wan)(wan)畝次,馬鈴薯晚疫(yi)病(bing)(bing)(bing)(bing)(bing)輕發(fa)(fa)(fa)生(sheng)(sheng)(sheng),發(fa)(fa)(fa)生(sheng)(sheng)(sheng)面(mian)(mian)積(ji)(ji)6.5萬(wan)(wan)畝。發(fa)(fa)(fa)生(sheng)(sheng)(sheng)特點:一是(shi)條銹(xiu)(xiu)病(bing)(bing)(bing)(bing)(bing)見病(bing)(bing)(bing)(bing)(bing)較(jiao)晚,前(qian)期發(fa)(fa)(fa)展(zhan)較(jiao)慢、程度(du)較(jiao)輕,當前(qian)流行速度(du)加快,進入擴(kuo)散流行期,發(fa)(fa)(fa)生(sheng)(sheng)(sheng)面(mian)(mian)積(ji)(ji)59.7萬(wan)(wan)畝,涉及(ji)(ji)8個(ge)市(shi)(州(zhou)、地)34個(ge)縣(xian)(市(shi)、區),一般病(bing)(bing)(bing)(bing)(bing)葉率13%,最高56%;二是(shi)病(bing)(bing)(bing)(bing)(bing)害發(fa)(fa)(fa)生(sheng)(sheng)(sheng)重于蟲(chong)害,病(bing)(bing)(bing)(bing)(bing)害發(fa)(fa)(fa)生(sheng)(sheng)(sheng)面(mian)(mian)積(ji)(ji)占病(bing)(bing)(bing)(bing)(bing)蟲(chong)總面(mian)(mian)積(ji)(ji)的80%以上,危害程度(du)重于去(qu)年(nian)同(tong)期,以小麥(mai)白(bai)粉病(bing)(bing)(bing)(bing)(bing)、油(you)菜(cai)菌(jun)核病(bing)(bing)(bing)(bing)(bing)、霜霉病(bing)(bing)(bing)(bing)(bing)等(deng)發(fa)(fa)(fa)生(sheng)(sheng)(sheng)較(jiao)為普遍;三(san)是(shi)馬鈴薯晚疫(yi)病(bing)(bing)(bing)(bing)(bing)主要在南部早(zao)熟種植區發(fa)(fa)(fa)生(sheng)(sheng)(sheng),涉及(ji)(ji)三(san)都、荔波、羅甸、興義、望謨、普安、從江(jiang)、黎平、黃平等(deng)縣(xian),一般病(bing)(bing)(bing)(bing)(bing)株率5%,最高63%。
二、發生趨勢
目前(qian)我省小麥處(chu)于抽穗(sui)期(qi),油(you)菜處(chu)于結莢期(qi),馬(ma)鈴(ling)薯大部(bu)處(chu)于苗期(qi),南(nan)部(bu)早栽地區(qu)處(chu)于現蕾期(qi)。據氣象預測,近期(qi)全(quan)省降雨(yu)量較常年(nian)正常,溫度適中(zhong),結合目前(qian)田(tian)間發(fa)(fa)(fa)(fa)生(sheng)(sheng)(sheng)情況及品種布局、歷年(nian)發(fa)(fa)(fa)(fa)生(sheng)(sheng)(sheng)規律綜合分析(xi),預計今年(nian)小麥重(zhong)大病(bing)蟲(chong)害中(zhong)等發(fa)(fa)(fa)(fa)生(sheng)(sheng)(sheng),發(fa)(fa)(fa)(fa)生(sheng)(sheng)(sheng)面積約750萬畝(mu)次(ci)(ci),其中(zhong)條銹病(bing)發(fa)(fa)(fa)(fa)生(sheng)(sheng)(sheng)面積約200萬畝(mu),發(fa)(fa)(fa)(fa)病(bing)區(qu)域包(bao)括畢(bi)節地區(qu)、六盤水(shui)市、遵義市、黔西南(nan)州、銅仁地區(qu)、黔南(nan)州、貴陽(yang)市和安順市,流行(xing)盛期(qi)至5月上旬;油(you)菜病(bing)蟲(chong)害中(zhong)等發(fa)(fa)(fa)(fa)生(sheng)(sheng)(sheng),發(fa)(fa)(fa)(fa)生(sheng)(sheng)(sheng)面積500萬畝(mu)次(ci)(ci);馬(ma)鈴(ling)薯晚疫病(bing)偏重(zhong)發(fa)(fa)(fa)(fa)生(sheng)(sheng)(sheng),發(fa)(fa)(fa)(fa)生(sheng)(sheng)(sheng)面積350萬畝(mu)。
三、防治意見
隨著(zhu)近期氣溫(wen)迅速回(hui)升,小(xiao)麥條銹病、油(you)菜菌核病進(jin)入迅速擴散流行期,馬鈴薯(shu)晚疫病陸續發(fa)(fa)生,各地要(yao)做好(hao)監(jian)測預警(jing)工作(zuo),以(yi)作(zuo)物(wu)主產區(qu)和病蟲(chong)(chong)常發(fa)(fa)區(qu)為重點(dian),及時發(fa)(fa)布病蟲(chong)(chong)信息,做到“早發(fa)(fa)現、早預警(jing)、早防治”。
(一)強化(hua)(hua)監測預(yu)警(jing)(jing)(jing),及(ji)時(shi)準確發(fa)(fa)布病(bing)蟲(chong)信息(xi)。在(zai)系統調查(cha)的基礎上,強化(hua)(hua)大田普查(cha),全(quan)面準確掌握(wo)重(zhong)大病(bing)蟲(chong)發(fa)(fa)生動態,主動與氣象部門溝(gou)通聯(lian)系,結合(he)馬(ma)鈴薯(shu)晚疫病(bing)等(deng)監測預(yu)警(jing)(jing)(jing)模型,及(ji)時(shi)會商分(fen)析、發(fa)(fa)布預(yu)警(jing)(jing)(jing)信息(xi),明確防(fang)控(kong)重(zhong)點區域和最佳防(fang)治時(shi)間。充分(fen)利用廣播、電視、報(bao)刊(kan)、網(wang)絡、手(shou)機短信、板報(bao)、明白(bai)紙等(deng)多種形式,及(ji)時(shi)將病(bing)蟲(chong)發(fa)(fa)生信息(xi)與防(fang)治技(ji)術(shu)傳送(song)到(dao)(dao)千家萬戶,組織農民開展群(qun)防(fang)群(qun)治,切實做到(dao)(dao)監測預(yu)警(jing)(jing)(jing)到(dao)(dao)位、信息(xi)傳遞到(dao)(dao)位、技(ji)術(shu)指導到(dao)(dao)位。
(二)突(tu)出(chu)重點,抓住關鍵,掌握防治最佳(jia)適期。突(tu)出(chu)抓好小麥條銹病(bing)、油菜(cai)菌核(he)病(bing)、馬(ma)鈴薯(shu)晚疫病(bing)等流行(xing)性病(bing)害(hai)的監控(kong)工作,做好西(xi)部(bu)、西(xi)南部(bu)、北(bei)部(bu)等重發(fa)區、常發(fa)區田間管理,在關鍵時期進行(xing)防治,做到(dao)早(zao)發(fa)現、早(zao)預警(jing)、早(zao)防控(kong),確保(bao)有效控(kong)制危害(hai)。
(三(san))開展(zhan)專業(ye)化(hua)統(tong)(tong)防(fang)統(tong)(tong)治(zhi),提(ti)高(gao)專業(ye)化(hua)防(fang)控覆蓋率。針對當前(qian)夏收作物病(bing)蟲害發生情況,各地要積(ji)極組織開展(zhan)病(bing)蟲專業(ye)化(hua)統(tong)(tong)防(fang)統(tong)(tong)治(zhi),統(tong)(tong)一(yi)(yi)(yi)組織、統(tong)(tong)一(yi)(yi)(yi)購(gou)藥(yao)、統(tong)(tong)一(yi)(yi)(yi)防(fang)治(zhi),以提(ti)高(gao)防(fang)效、降低成本、減少用(yong)藥(yao)、保障生產為目標。
(四(si))抓好(hao)示(shi)范(fan)樣板,加(jia)大宣傳培訓力(li)度。各地要(yao)做好(hao)綜(zong)合防(fang)(fang)(fang)治(zhi)技術(shu)(shu)示(shi)范(fan)展示(shi),充分展示(shi)農業防(fang)(fang)(fang)治(zhi)、生(sheng)物防(fang)(fang)(fang)治(zhi)、生(sheng)態控制(zhi)、物理防(fang)(fang)(fang)治(zhi)和科學(xue)用藥等(deng)綜(zong)合防(fang)(fang)(fang)治(zhi)技術(shu)(shu)。做到(dao)技術(shu)(shu)服務(wu)到(dao)田,配套服務(wu)到(dao)戶,為(wei)群眾排憂解難,全力(li)做好(hao)病(bing)蟲(chong)害防(fang)(fang)(fang)控服務(wu)。充分利用電視、電臺(tai)、報紙等(deng)宣傳媒介,普(pu)及防(fang)(fang)(fang)治(zhi)技術(shu)(shu),確保技術(shu)(shu)進村入戶,提(ti)高病(bing)蟲(chong)防(fang)(fang)(fang)治(zhi)的時(shi)效性和關鍵(jian)技術(shu)(shu)的到(dao)位(wei)率。
(五)加強農藥市場(chang)監管,確(que)保(bao)(bao)農(nong)(nong)(nong)民用上安(an)(an)(an)(an)全(quan)(quan)有效(xiao)(xiao)藥(yao)(yao)劑。各地要切實加(jia)強(qiang)農(nong)(nong)(nong)藥(yao)(yao)市場(chang)監管,組織(zhi)開展例(li)行抽查和拉網式(shi)檢(jian)查,重點打擊(ji)生產(chan)、經營(ying)和使用禁限用高毒農(nong)(nong)(nong)藥(yao)(yao),以及在農(nong)(nong)(nong)藥(yao)(yao)中摻雜禁限用高毒農(nong)(nong)(nong)藥(yao)(yao)、制(zhi)售假冒(mao)偽(wei)劣(lie)(lie)農(nong)(nong)(nong)藥(yao)(yao)等不法(fa)行為,嚴(yan)厲打擊(ji)制(zhi)售假劣(lie)(lie)農(nong)(nong)(nong)藥(yao)(yao)坑農(nong)(nong)(nong)害農(nong)(nong)(nong)行為,保(bao)(bao)障適銷對路(lu)農(nong)(nong)(nong)藥(yao)(yao)有效(xiao)(xiao)供應。要廣(guang)泛開展識別假劣(lie)(lie)農(nong)(nong)(nong)藥(yao)(yao)宣傳活動,加(jia)強(qiang)安(an)(an)(an)(an)全(quan)(quan)用藥(yao)(yao)指導和培訓(xun),增強(qiang)農(nong)(nong)(nong)民自我防護(hu)、安(an)(an)(an)(an)全(quan)(quan)用藥(yao)(yao)的意識和能力,切實保(bao)(bao)護(hu)農(nong)(nong)(nong)業生產(chan)安(an)(an)(an)(an)全(quan)(quan)、農(nong)(nong)(nong)產(chan)品質量安(an)(an)(an)(an)全(quan)(quan)、生態環境安(an)(an)(an)(an)全(quan)(quan)。