2023年全國(guó)碩士研究生考試考研英語一試題真題(含答案詳解+作文范文)_第1頁
已閱讀1頁,還剩41頁未讀, 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡(jiǎn)介

1、南京農(nóng)業(yè)大學(xué)碩士學(xué)位論文生物農(nóng)藥防治水稻主要病蟲害應(yīng)用技術(shù)研究姓名:劉福海申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):農(nóng)業(yè)推廣(種植)指導(dǎo)教師:王金生陳功友20060601RESEARCHONTECHNIQUEOFAPPLYINGBIOPESTICIDESrI’OCONirROLMAINPLAN7rDISEASESANDlNSECTPESTSOFRICEABSTRACTChinaisoneofthebiggestriceproducersintheworl

2、dThericeplantingareaandwholeyieldontheplainofmiddleandlowerreachesofYangtzeRiveroccupyrespectively27%and298%ofthatofChinaARerChinaioinedWTO,theproblemthatchemicalresiduesareexcessiveinriceproductsmustbesolvedurgentlyTode

3、velopharmlessfarmproduceandinsureitssafe1evelofsanitationit’Snecessarytoslicefromthesource,usingpesticidesafelyintheprocessofproducinganddecreasingchemicalresiduesToreducethelevelofagrochemicalpollutionit’Simportanttocre

4、ateanddevelopnewbinpesticidesandsolvetheproblemofapplyingthemThetechniqueofapplyingbiopesticidetocontrolmainplantdiseaseandpestsisbasedonprotectingthestabilityoftheagriculturalecosystemandharmonizingtheantidiseaseability

5、ofeco—factorsAccordingtotheoccurringtraitofplantdiseasesandinsectpestsofrice,itisrequiredtocombinebio—pesticidewithagriculturalcontrollingmeasures。choosehi曲lyeffeclivebiopesticideandusebiopesticideandchemicalpesticidecor

6、rectlyinordertoincreasctheefficiencyofbinpesticideandreducethe(10sageofchemicalpesticidenleresultsofbiopesticideexperimentsshowedthatthefeatdosageof1%harpinDGWaS375g/667mLandthecontroleffectonRhizoctoniasolaniPyricularia

7、griseaandUstilaginoideaWrenswas520%and862%and665%thatfeatdosageofbacilluslicheniformisf105cfu/m1)WaS800ml/66h∥andthecontroleffectonRhizoctoniasolaniandP∥iculariagriseaandUstilaginoideavirenswas619%and876%and741%。thatthef

8、batdosageof11%abamectinazadimchtinSEWasa100ml/667mzandthecontrolemcacyonTryporyzaincertulasandCnaphalocrocismedinalisWas804%and878%thatthefeatdosageof134%azadirachtintriazophosECWas150mF667m‘a(chǎn)ndthecon訂oleffectonTryporyza

9、incertulasandCnaphalocrocismedinalisWas836%and921%thatthefeBtdosageof10%qintaibaoWPwas100g/667mzandthecon仃ole街cacyonTryporyzaincertulasWas821%IntheapplicationofcombinedinseeticidetheeffectofqintaibaoagainstChilosuppressa

10、lisandTryporyzaincertulasWas755%and801%theeffectofazadirachtin塒azophosagainstTryporyzaincertulasandCnaphalocrocismedinalisWas799%and743%andtheeffectofabarneetinazadirachtinagainstTryporyzaincertulasandCnaphalocrocismedin

11、alisWas84鐋and784%Harpinwasusedattheprophaseandmetaphaseofricegrowingphasesandbacilluslicherfiformisatmetaphaseandanaphase1heeffectofthatagainstRhizoctoniasolaniPyriculariagr括eaandUstilaginoideavirensWas64O%878%and689%net

溫馨提示

  • 1. 本站所有資源如無特殊說明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒有圖紙預(yù)覽就沒有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 眾賞文庫(kù)僅提供信息存儲(chǔ)空間,僅對(duì)用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對(duì)用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請(qǐng)與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。

評(píng)論

0/150

提交評(píng)論