不同凉粉草种质资源的生理特性及种质评价

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1、StudyonPhysiologicalCharacteristicsandGermplasmEvaluationofDifferentGermplasmResourcesofMesonachinens括“Xiaohui(CollegeofAgriculturetGuangxiUniversity，Nanning530004，China)AbstractMesonachinens8Benth，oBespeciesofMesonagenus，whichbelongstoFamilyLabiatae．isanannualher

2、baceousplantItisoneofthemainmaterialsforproducingherbalteaandjellyinthesouthernregionofChina'ihunderstandandcomparethephysiologicalcharacteristicsandgeneticrelationshipofdifferentGennplasmResourcesofMesonachinensis，thisstudyincludesfourpa^sasfollows：(1)Determinati

3、onofthediurnalvariationofphotosynthesisandthelightresponsecur、，eof6MesonaSpecies；r2)EffectofdifferentcollectionperiodoncontentandqualityofMBGfor6MesonaSpecies；(3)Effectofthedifferentrationofnitrogen，phosphorusandpotassiumoncontentofMBG；(4)SCoTandISSRAnalysisofGene

4、ticDiversityof7germplasmresourcesofMesonachinensisTheresearchshowstheresultsasfolfows：1LingshanSmall—leafcalladapttohighlightintensitybecauseofthehighestlightcompensationandsaturationpoint：Becauseofthelowestlightcompensationpoint，VietnamMesonacalladapttoweaklight；

5、Becauseofthehighestphotosyntheticquantum，efficiencycanstillkeephighphotosyntheticabilitiesunderweaklight2ThesuitablecollectingtimeofMesonaisthelateperiodofvegetativegrowthbeforetheflowerbuddifferentiationperiodInreproductivegrowthperiod，Qualityofgelinflowerbuddiff

6、erentiationperiodisbonerthanthatinthemiddleandlatefloweringperiod3Recommendingthedosage：N一02089／kg，P205-01219／kg，I<20—0119§／kg，converingto3I2kg／mu，1815kg／mu，I7．85kghnu，andforecastingtheyieldrateofMBG1『cartreachto3620％，dry—weightyieldcanreachto342329perpot4Theresul

7、tsshowedSCoTand[SSRcanampliryrichpolymorphiclociIncontrast，MorepolymorphiclociweredetectedbySCOT．Theclassificationresultsoftwomolecularmarkersweresimilar．GeneticsimilaritycoefficientbetweenSa@aMesonaandWuzhouMesonawasthebiggestbothforSCoTandlSSRKeywords：Mesona；Qua

8、lityofGel；MBGContent；GeneticDiversity目录前言⋯凉粉草资源的研究进展⋯2植物光合特性的研究现状13氮磷钾配比施肥对植物生长的影响⋯314分子标已技术在植物遗传多样性中的应用415研究目的与意义⋯52材料与方法⋯621实验地概况62．2试验材料⋯622I供试材料⋯62．