Bt和轉(zhuǎn)Bt基因棉對(duì)棉鈴蟲(chóng)齒唇姬蜂的影響以及轉(zhuǎn)基因棉對(duì)棉田主要害蟲(chóng)及天敵的影響.pdf

1、中國(guó)農(nóng)業(yè)大學(xué)碩士學(xué)位論文Bt和轉(zhuǎn)Bt基因棉對(duì)棉鈴蟲(chóng)齒唇姬蜂的影響以及轉(zhuǎn)基因棉對(duì)棉田主要害蟲(chóng)及天敵的影響姓名：孫長(zhǎng)貴申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：農(nóng)業(yè)昆蟲(chóng)與害蟲(chóng)防治指導(dǎo)教師：張青文20030601EffectsofBacillusthuringiensisandTransgenicBthuringiensisCoRononCampoketischloridaeUchidaandImpactsofTransgenicColonsonMainPes

2、tsandTheirNaturalEnemiesintheFieldsSunChangguiAbstractEffectsofBacillusthuringiensiscrystalproteinandtransgenic丑thuringiensiscottonontheparasitoid，CampoketischloridaeUchida(Hymenoptera：Ichneumonidae)，andcomparativeimpact

3、softheunivalentandbivalenttransgeniccottonsoumaincottonpestsandtheirnaturalenemiesinfieldswerestudiedResultswereshowedasfoIlowed：ITheartificialdietscontaining丑thuringiensisproteininhigherconcentrationcouldkillthemajority

4、ofcchloridae，mainbecauseitshostcottonbollwonnlarvaehadahighermortalityEffectsofsublethaldoseofBthuringiensisonapproximatelarvalweight、larvaldevelopmentperiod，pupalweightanddevelopmentperiod、adultweightofandadultlongevity

5、ofCchlorideaeweresignificantlydifferentfromthecontrol，although丑thuringiensisinsublethaldoseconditionmightnotcauseparasitoiddeath2Theliquidartificialdietscontainingconcentrationof0pg／g(thecontr01)、25耀鷹and25Hg／gwerefedwith

6、adultfemaleandmaleparasitoidandadultlongevitywasinvestigatedandrecordedAnalyticalresultsrevealedthat置thuringiensishavenodirecteffectsonparasitoidcomparedwiththecontr013HostlarvaeⅥe詫fedwithtransganicBthuringfensiscottonle

7、avesandthecontrolcottonleavesfordifferenthoursbeforeandafterbeingstungbyCchloridaeEffectoftransgeniccottononapproximatelarvalweight、larvaldevelopmentperiod。pupalweightanddevelopment雕村0d、adultweightofandadultlongevityofCc

8、hlorideaewemcheckedResultscouldbedrawnthatwhenfeedingtimebeforeandafterbeingstungwergprolonged，developmentalcharactersofparasitoidwerenotablydi行crentfromthecontr014TheunivalentandbivalenttransgeniccottOnwereexcellentlyre

9、sistanttocottonbollwormintheformerperiodofcottongrowthanddevelopmentMoreovertwoinsect—resistantcottonshadonsignificantdiffereneaButinthelatterperiod，resistanceofbivalentcottonwassignificantlystrongerthanunivalentoneThepo

10、pulationnumbersofmajorityofnontargetpestsintransgeniccottonfieldsweremorethaninthecommoncottonfieldHoweverthepopulationofthemajorityofnaturalenemiesintransgeniccottonfieldswerelessthaninthecontrolfieldThesedemonstratedth

11、eresults：DamagesresultingfromnontargetpestsweremoreseriousandnumbersofpredatorynmuralenemieswerelowerintransgenicfieldsthanincommonfieldThepopulationofpiercingsuckingpestsintransgenicfieldsweresignificantlyhigherthaninco