核桃青皮化感活性及作用機(jī)理研究.pdf

1、西北農(nóng)林科技大學(xué)碩士學(xué)位論文核桃青皮化感活性及作用機(jī)理研究姓名：王婷申請學(xué)位級別：碩士專業(yè)：林產(chǎn)化學(xué)加工工程指導(dǎo)教師：翟梅枝20080501STUDYONTHEALLELOPATHYANDTHEMECHANISMOFWALNUTSEEDCASESABSTRACTThepllenomeIlonpl觚tsormicroo瑪aIlismh嬲adireCtorindirect，beIleficialorbad世ectonomerpl趾tsorI

2、Ilicroo唱aIlismthrou曲rele嬲ingsomespecialche而ca(1allelocheIIlical)mt0circumst鋤ceiscalleda11elopamyAllejop砒yisaVeucommon鋤dimportaIltec0109icalmechaIlismexistedinna_tllreThede印rese剮chonpl鋤tallelopathyhasanimport鋤tmeallingonk

3、nowillgtllepl觚tcomm砌夠andsuccession，logical印plicationofagricul刪cultiVationsystem，eXploitationofweedscontrolbybiologyandnew啊lepesticiCIeW甜徹t(Jugl觚sregiaL)isa謝despread骶einwalnutgenus(JuglaIls)of、砌nutf鋤ily(Jugl鋤dace嬲)Itispl鋤

4、tedoriginallyforalong11iSto巧iIlClli腑111eoutputof砌nutgreenseedcaSeis350thousaIldstonFor廿1isresourCe、v懿伽lyutilized，theeconomicbenefitofwalnutproductionw嬲enhaIlced，thisarticle咖diedtlleallelopatllice任ectsofex仃actofwalnut鏟een

5、seedcase、以t11di仃erentsolventsTheresultsindicatedthese：(1)SecondarymaterialofwmnutgreenseedcaSecont血sbioactivit)rirlllibitingComposition，Byex饑比tingwalnut鏟eenseedcaSe謝thwa：tI玎鋤【d95％ethoIlal，tlleeXtractsallhaVece晡niIlllibit

6、inge虢ct，趾d嬲concentI嘶onofex缸粥tincreaSe，illllibitinge虢ctstrengthen(2)Et№lex仃actofwalnut舶enseedcaSewasex仃actedintumbype仃ole眥齜emylacetate鋤dnbutylalcohoL(3)Thei11llibitione岱；ctoncropofwatereXt刪waSclosetoeth鋤olextraCtf而mwalnut

7、greenseedcaSeButtheextractionrateofem鋤olextractw舔lligherthanwaterextraCt(4)A舭rextractedbyeⅡler，Ⅱleetl姍ole)mact2Fr5sep蹦ltedbysilicagelcolurnn—C量lromato黟aphyhaShi曲iIlllibitingrateoVer70％onrootaIldbudofwheat肌dcole，∞2Fr5isma

8、inaCtiveallelopaⅡliccompoⅧldforallelopanly(5)Theallelopathicsub鼬mceof、Ⅳalnutgreenseedc嬲eh弱seleCtiVi夠toi11llibitingyouIlgseedling，eachextrac：th嬲s脅ngerintlibitiononyouIlgrootthaIlonyouIlgsh00t(6)Theallelopathicsubst眥ceofwa