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1、中國油料作物學(xué)報(bào)2014,36(2):250—255ChineseJournalofOilCropSciencesdoi:10.7505/j.issn.1007—9084.2014.02.017溫度對(duì)大豆食心蟲卵和幼蟲生長發(fā)育的影響史樹森,崔娟,徐偉,武婷婷,齊靈子,李維宇,宋鵬翔,張萌(吉林農(nóng)業(yè)大學(xué)農(nóng)學(xué)院/大豆區(qū)域技術(shù)創(chuàng)新中心,吉林長春,130l18)摘要:在17~33℃條件下,研究了溫度對(duì)大豆食心蟲卵和幼蟲生長發(fā)育的影響。結(jié)果表明:在試驗(yàn)溫度范圍內(nèi),卵的發(fā)育速率與溫度呈正相關(guān),模型為:Y=0.61/[1+exp(3.19—0.08t)](F:128.
2、5976,P=0.0077,R:0.9961),發(fā)育歷期隨溫度升高而縮短;幼蟲期發(fā)育速率模型為:Y1?=0.10/[1+exp(3.25—0.17t)](F=21.7316,P:0.0440,R:0.9778),其中2齡、3齡幼蟲發(fā)育速率與溫度呈正相關(guān)且明顯高于其它齡期,33℃條件對(duì)1齡和4齡、5齡幼蟲的生長發(fā)育有抑制作用。溫度對(duì)大豆食心蟲卵孵化率影響不明顯,而對(duì)各齡幼蟲存活率的影響較大,幼蟲期對(duì)環(huán)境溫度的適應(yīng)性隨齡期增加而增強(qiáng)。溫度影響幼蟲的營養(yǎng)積累,在25%條件下老熟幼蟲體重為17.26mg,顯著高于其它溫度。大豆食心蟲卵的發(fā)育起點(diǎn)溫度為7.24℃,
3、有效積溫為117.63d·℃;幼蟲期發(fā)育起點(diǎn)溫度為4.7l℃,有效積溫為285.33d·qc。關(guān)鍵詞:大豆食心蟲;溫度;發(fā)育速率;存活率;有效積溫中圖分類號(hào):s435.651文獻(xiàn)標(biāo)識(shí)碼:A文章編號(hào):1007—9084(2014)02—0250—06EfectsoftemperatureongrowthofLeguminivoraglycinivorellaeggsandlarvaSHIShu—sen,CUIJuan,XUWei,wuTing—ting,QILing—zi,LIWei—yu,SONGPeng—xiang,ZHANGMeng(Collegeo
4、fAgriculture,JilinAgriculturalUniversity/InnovationCenterofSoybeanRegionTechnology,Changchun130118,China)Abstract:Inordertoexploretheeffectsoftemperatureondevelopmentofthesoybeanpodborer,Leguminivo—raglycinivorella(Lepidoptera:Olethreutidae),thedevelopmentaldurationandsurvivorshi
5、pofthispestwereinvesti-gatedinthelaboratoryat17,21,25,29and33℃.Theresultsshowedthatthedevelopmentalrateofeggsincreasedwiththeincreasesoftemperaturefroml7℃to33~C.TherelationshipbetweendevelopmentalrateandtemperaturecouldbefittedwellwithLogisticmodel:Y=0.61/[1+exp(3.19-0.08t)](F=12
6、8.5976,P=0.0077,R:0.99611.Developmentalrateoflarvaincreasedwiththeincreasesoftemperaturebelow33oC.The2ndand3rdinstarlarvagrewfasterthantheotherinstars.Whiledevelopmentalrateofthe1st.4thand5thinstarlai'vade-creasedsharplyat33~C.Therelationshipbetweendevelopmentalrateoflarvaandtemp
7、eraturecouldbedescribedbyLogisticmodel:Y=0.10/[1+exp(3.25—0.17t)](F:21.7316,P=0.0440,R=0.9778).Egghatchingratewasinsignificantlyinfluencedbytemperature,butthesurvivalrateoflarvawassignificantlyinflu—encedbytemperature.Theadaptabilityoflarvatoenvironmenttemperaturegraduallyincreas
8、edwiththeinstar.Temperatureaffectedthela