白樺外生菌根的研究.pdf

1、東北林業(yè)大學碩士學位論文白樺外生菌根的研究姓名：張新玉申請學位級別：碩士專業(yè)：森林保護學指導教師：宋瑞清王秀華20030601AbstractSixectomycorrhizalfungiofBetulaplatyph3’llawerescreenedfromtheelevenfungiwhichwerecollectedunderthemixedforestofBetulaplatyphyllaSukTheyareAgaricussi

2、hati(USSchaeff，009，035，044，GT005andLH008Throulghobservingoftheectom)‘corrhizalexteriorformsandtissuesections，wefoundthereweremantleoffungitissuewhichenclosedtheroot，emanatinghyphaeoftherhizoplane，andtheHartignetwhichwasf

3、ormedbythehyphaebetweentheepidermalandcorticalcellsThesecharacteristicsrevealedthmectomycorrhizalfungiandBetulaplatyphyllahadfoundsymbiosisrelationshipTheoptimumgrowthtemperature，optimumgrowthcarbonsource，optimumgrowthni

4、trogensourceandoptimumgrowthpHvalueofsixectomycorrhizalfungiweredeterminedfromtestofculturalandphysiologicalcharacteristicsTheoptimumgrowthtemperatureofAgaricussilvaticus，009，LH008andGT005was30℃，belongingtohightemperatur

5、efungi，andthatof035and044was25。C，belongtomoderatetemperaturefungiTheoptimumgrowthpHvalueofthesefungiwas65exceptthatofGT005was40TheoptimumgrowthcarbonsourceofAgaricussilvaticus，009andGT005wassucrose，thatof‘035wasglucose，a

6、ndthatof044andLH008wasmaltoseTheoptimumgrowthnitrogensourceofthesefungiwasAsparagineexceptthatof009wasNaN03’IhroughinoculatingtoBetulaplatyphylla，wefoundthattheseectomycorrhizalfungicane、。identlyimprovethebiomass，content

7、ofchlorophyll，photosyntheticrate，contentofnitrogenandphosphorus。activityofhydrogenperoxidase，androotvigorofseedlingofBetulaplatyp妙llaKeyword：BetulaplatyphyllaSuk，Ectomycorrhizalfungi，Culturalcharacteristics，Physiological