不同寄主桃蛀果蛾Carposina sasakii滯育光周期的反應(yīng)及滯育后發(fā)育研究.pdf

1、v97／61‘“女々t∞啦韭丑t一毋石⑩西灶農(nóng)林針凝大孝2006屆攻讀碩士學(xué)位研究生學(xué)位(畢業(yè))論文不同寄主桃蛀果蛾Carposinasasakii滯育光周期的反應(yīng)及滯育后發(fā)育研究學(xué)科專業(yè)研究方向研究生指導(dǎo)教師完成時聞室些雖蜜皇益蟲瞳追—一旦魚生盔皇壹魚縫盒渲堡笠』L趔—————一藍』L擅—型■璧’一墊堂生氈月————一中國陜西櫥凌STUDYONPHOTOPERIODREACTIONOFDIAPAUSEANDPOSTDIAPAUSEDE

2、VELOPMENTOFCarposinasasakiiONDIFFERENTHOSTSABSTRACTBymeansofbiologyandecologyThelifehistorydivergencewasstudiedinCarposinasasakii，onthebasisoftheresearchconcerningitsseasonalhistoryhosts，parasites，photoperiodreactionofdi

3、apause嬲wellastheingredientoffoodnutritionThemainresearchiternsandtheresultsareasfollows：一1DevelopmentalzeroandeffectiveaccumulatedtemperatureoftheperiodofoverwinteredlarvaeemergingfromgroundandadultemergenceofCsasakiiona

4、pple，hawthornwilddate，apricotanddatearemeasuredunderconstanttemperatureTheresultsshowthatdevelopmentalzerodonotvarygreatlywiththelowesttemperatureonapplepopulationas6310Candthehighestonapricotas6980CTheeffectiveaccumulat

5、edtemperatureare22191daydegreesonapple，217，58daydegreesonhawthorn，21675daydegreesonwilddate，20060day—degreesonapricotand21611daydegreesondate，respectively2Developmentalzeroandeffectiveaccumulatedtemperatureofthefirstgene

6、rationeggsaremeasuredunderconstanttemperatureondifferenthostsTheresultsshowthatdevelopmentalzerobetween722。Cand778。Chasnodistinctivedifference，andeffectiveaccumulatedtemperaturehasnocleardifferencebetween10172daydegreesa

7、nd10395day—degrees3TheresponsesofgrownlarvaediapausetOphotoperiodswerestudiedonapple，hawthornwilddate，apricotanddateTheresultsshowthatundertheconstanttemperatureof25。C，incidenceofdiapanseisalmost100％onapricotexcept14h30m

8、inwhilethecriticalphotoperiodare14h25mimonapple，14h28mimonhawthorn，14h40mimonwilddate，14h25mimondateThismeansthatlarvadiapansediffersgreatlyonvariousplants，andplaysakeyroleinthelifehistorydivergence4Theparasitesdiffergre