辣椒素對(duì)中南地區(qū)儲(chǔ)糧害蟲(chóng)的作用研究.pdf

1、中南林業(yè)科技大學(xué)碩士學(xué)位論文辣椒素對(duì)中南地區(qū)儲(chǔ)糧害蟲(chóng)的作用研究姓名：劉營(yíng)營(yíng)申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：農(nóng)產(chǎn)品加工及貯藏工程指導(dǎo)教師：李忠海；歐陽(yáng)建勛201206ABSTRACTGrainissusceptiblydamagedbypests，microbe，miceandotherbiologichazardsduringstoragetime，resultinginthedeclineingrainweightandqualityWhil

2、ethechemicalswhichusedtoprotectthegraincurrentlyhavemanyshortcomings，SOitisveryimportanttoresearchnewgrainstorageinsecticidethatissafeandenvironmentalfiiendlyCapsaicinwhichisnoharmtohumanandtheenvironmenthasstrongspicySo

3、itisagreatdevelopmentpotentialbotanicalinsecticidesubstanceThispaperstudiedthetoxicityofcapsaicinsystematicallyonthesevenkindsofimportantstoredgrainpests(Sitophiluszeamais，TriboliumcastaneumRhizoperthadominica，etc)infumi

4、gationeffectrepellencyandpopulationsuppressionofbiologicalactivityRecodeofcapsaicinonthehazardsofstoredgrainpests，andtheprotectiveeffectoftheweightandqualityofgrain，tOdeterminethesignificanceofroleofcapsaiciningrainstora

5、geTherefore，itprovidesscientificbasistodevelopmwstoredgrainprotectionswhichare∞harmtohumanandtheenvironmentT11etestresultsshoWthat：1Capsaicincanrepelthepests：Sitophiluszeamais，TriboliumcastaneumRhimperthadominica，booklic

6、e，Cryptolestespnsilhs，Cryptolestesferrugineus50∥LofcapsaicinconcentrationscanrepelmorethanhalfthenumberofthepestsCoooklice，TriboliumcastaneumCryptolestespusillus，Cryptolestesferrugineus)tOcontrolside2Respectingthebwgrade

7、fumigationeffectofcapsaicintopests，authordoesn’tdomuchmoreworkaboutfumigationwithsealedtriangularflasksTheContacttoxicityofcapsaicinislowgrade，too3With2％capsaicinethanolsolutionsprayedoncargiceevenlytheeffectwasstudiedof

8、capsaicininSitophiluszeamaisandTnboliumcastaneumpreventingforgrainstorageTheresultsshowedthataccordingtotheratioofcapsaicintOcargice2g／kgand4眺呂SitophiluszearmisandTrboliumcastarleurnappeareddistinctlyrefusingfeedeffectTh

9、edamagerateofcargicein30dayscausedbySitophihszeamaiswereonly354％and264％tothatofblankcomrols，similarlyTr曲oliumcastaneumcauseddamagerateonly306％and248％tothatofblankcontrolsThereproductionnumbercausedbySitophiluszeamaisandT