鳳臺(tái)縣水稻病害化學(xué)防控技術(shù)研究.pdf

1、獨(dú)創(chuàng)性聲明本人聲明所呈交的論文是我個(gè)人在導(dǎo)師指導(dǎo)下進(jìn)行的研究工作及取得的研究成果。盡我所知，除了文中特別加以標(biāo)注和致謝的地方外，論文中不包含其他人已經(jīng)發(fā)表或撰寫(xiě)過(guò)的研究成果，也不包含為獲得安徽農(nóng)業(yè)大學(xué)或其它教育機(jī)構(gòu)的學(xué)位或證書(shū)而使用過(guò)的材料。與我一同工作的同志對(duì)本研究所做的任何貢獻(xiàn)均已在論文中作了明確的說(shuō)明并表示了謝意。研究生虢王冬五帆w年二月9日關(guān)于論文使用授權(quán)的說(shuō)明本人完全了解安徽農(nóng)業(yè)大學(xué)有關(guān)保留、使用學(xué)位論文的規(guī)定，即：學(xué)校有權(quán)保

2、留送交論文的復(fù)印件和磁盤(pán)，允許論文被查閱和借閱，可以采用影印、縮印或掃描等復(fù)制手段保存、匯編學(xué)位論文。同意安徽農(nóng)業(yè)大學(xué)可以用不同方式在不同媒體上發(fā)表、傳播學(xué)位論文的全部或部分內(nèi)容。(保密的學(xué)位論文在解密后應(yīng)遵守此協(xié)議)研究生簽名：王叁垂帆砩年，月9日第一導(dǎo)師簽名時(shí)間：厶f；年‘月7日AbstractSystematicalinvestigationonricediseaseswascarriedoutinFengtaicountyA11

3、lluiprovinceinthispaperThemajordiseaseswerericesheathblight，falsesmut，ricestripevirusdisease，riceblackstreakeddwarfandriceblastdiseaseinwholericedevelopmentstageTheareaofricesheathblightreachedonehundredthousandacresormo

4、teperyearandthesymptomofthediseasewereemergeonriceplantsinearlyJulyandthediseaseseveritiesexpandedrapidlyinmiddle1atericedevelopmentstagesFungicidesselectionforricesheathblightandfalsesmutwereconductedTheresultsshowedtha

5、t12percentcompoundofanisoleandvalidamycinAwassafeforriceplantswhenapplicationonetimeonbootingstageandrupturingstageorricerespectivelyThecon昀1effectof12percentanisoleandvalidamycinAwasoptimalwhenspray40舯msper667squaremete

6、rsandthecontroleffectsofdiseasedplantratioanddiseaseindexwere543percentand693percentrespectivelywhichwasslighthigherthantheeHeCtsoftwocontrolfungicidesThecontroleffectsofthedosagefordiseasedriceearsanddiseaseindexofricef

7、alsesmutwere785percentand65percentrespectivelywhichwerehigherthaIlthee腩ctofvalidamycinA，butlowerthantheeffectof30percentcompoundofdifenoconaz01eandpropiconazoleTherewasnosignificantdifferenceamongthetestedfungicidesbyv撕a

8、nceanalysis。Theseeddressingof10percentethiprolesuspendingconcentratepromotedobviouslvthegrowthofdirectseedingriceplantsThecombinationeffectofseeddressingof20m1per667squaremetersandsprayof40mlpersquaremetersforsmallbrownr

9、iceplanthopperreached87percentafter7days，similartotheeffectofpymetrozine，alldthecontrole行ectwouldreachover95percentafter14daysThecontroleffectforricestripevimsdiseasewas82一percentandwouldriseto965percentafter30daysThecom

10、binationeffectof70％propineb75percenttrifloxystrobinandtebuconaz01eforcontrollingdiseasedplantratioofficesheathblightwasthebestamongtestedfungicidescombinations，whichvaluereached996percent，andwassignificanthigherthanthose

11、ofvalidamycinAtreatmentand75percenttricyclazoletreatmentThecontrolefrectofthecombinationfordiseaseindexofricesheathblightreached100percent，significanthigherthanthatof75percenttricyclazoletreatment，butnosignificantdiffere

12、ncetootherfungicidetreatmentsThe75percenttrifloxystrobinandtebuconazoleforcontrollingricefalsesmutwasthebestcombination，thecontroleffectofwhichfordiseasedriceearsanddiseaseindexbothreachover99percentBasedonpredictedyield