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ID:23296259
大小:4.22 MB
页数:81页
时间:2018-11-06
《转基因玉米和水稻对土壤螨类和线虫群落组成及数量动态的影响分析》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、万方数据EFFECTSOFTRANSG田蛆CCORNANDRICEPLANTINGONSOILMITESANDNEMATODESCOMMUNITYANDABUNDANCEABSTRACTNow,phytasetransgeniccornandtransgenicBtricehadprovidedane伍cientwavforimprovingtheefficiencyoffeedutilization,reducingenvironmentalpollutioncausedbv黝甜manureandreducingricelossescaus
2、edbyinsectpest,respectively.However.theartificialinsertionofexogenousgenes,maychangetheplantgenomesequences,affectmeplantphysio-biochemicalcharacteristicsandphysicochemicalstmcture,w11ichared哪薛roustosoilecosystem.Ahealthysoilecosystemisessentialfornutrientcyclingandenergyco
3、nversion.ThelongtermplantingofphytasetransgeniccornandtransgenicBttice.couldchangethephysicalandchemicalpropertiesofsoilandsoilfertility,besidesitcouldcausetheBttoxinaccumulationinsoil,SOthatitmayinfluenceonsoilorgallismstovaryingdegrees.Inrecentyears,globalenvironmentalcha
4、nge,especiallytheriseofC02concentration,nasbeenanitemofgreatconcernfort11escientificcommunity.ElevatedCO,concentrationsCallimprovecropphotosynthesisandprolificacy,increasetheC/N.influencethesecondarymetabolismdefenseofplantandwillfurtherinfluencethestrucnlreandcomplexityofs
5、oilfoodweb.IthasprovedthattheBttoxinoftransgenicBtricegro、ⅣninelevatedC02willbereduced.ItisobviousthatstudyingtheeffectsoftransgeniccropsonsoilecosystemwillcontributetoclarifytheenvironmentalsafetyoftransgeniccropsaIldhaveasustainabledevelopmentinthefuture.Inthispaper,phyta
6、setransgeniccorn(BVLA430101)andconventionalcorn,2dual。transgenes:restorer(HHlVSMH63)andhybrid(Bt.SY63vsSY63)and1puretransgenes(KMDVSXSD)werestudiedundertheconditionoffieldandopen-topchanlber(OTC),inordertoclarifythesoilenvironmentalsafetyoftransgeniccropsthroughstudyingthee
7、ffectsoftransgeniccropsonsoilmitesandnematodes.ThemainresuItsareasf0110WS·1.TheeffectsofphytasetransgenicCOrnonsoilmitesandnematodesunderthe矗eldIII万方数据转基因玉米和水稻对土壤螨类和线虫群落组成及数量动态的影响研究Fromtheconclusionofthefield,weknowthattheabundanceofsoilmiteschangedobviously、析t11samplingtim
8、e.buttherewasnoremarkabledifferencebetweenphytasetransgeniccornandnon·transgenicco
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