猫爪草生长发育特性与产量和品质影响因素.研究

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1、iII『南农业人学硕Ij学位论文thedensitytreatmentonthephotosyntheticcharactersofRanunculusternatusThunb．Non—stomatalfactorsaffectednetphotosyntheticrate(Pn)changesinhigh—densityconditions，Stomatalfactorsaffectednetphotosyntheticrate(Pn)changesinlow．densityconditions．then

2、etphotosynthesisandstomatalconductanceweresignificantdereasedafterthefirstslowincreasedwiththeincreaseofdensity,transpirationrateshowedahighlevelofthetrend．intemalC02concentrationsignificantlyincreasedwiththeincreaseofdensity．Pathcoe珩cientanalysisshowedthat

3、theatmosphererelativehumidity(Rhin)，C02concentrationinfield，stomatalconductance(Gs)andleaftemperature(T1)weremainfactorsforthecharacteristicsofphotosynthesisandtranspiration．ThenetphotosyntheticrateandyieldofRanunculusternatusThunb．werenegativelycorrelatedi

4、ninthefruitperiod．Thedifferenceofimpactsindensitytreatmentontheactivecontentswassignificant．Byanalysisofvariance，thedifferenceontotalsugarandpolysaccharidecontentWassignificant．thedifferenceonflavonecontentWaSverysignificant，whileproteincontentwasnotsignifi

5、cant。ThedifferentoftherootyieldsperplantindensitytreatmentWasnotsignificant，butdifferenceonthespecificyieldWassignificant(F=l2．037，P=0．008)．Plantingtreatmentinhighdensitycouldremarkablyincreasetheyieldperunit．Takingthetwoelementsofspecificyieldandactiveingr

6、edientsintoconsideration．wecouldhaveaconclusionthatMl(450000strain／ha)wasthebestchoiceunderfieldconditions．4．DifferenceofcontrolledgrowthontherootyieldsperplantWasverysignificant，andthedifferenceofthetotalsugar．polysaccharideandflavonoidscontentwereverysign

7、ificant，whileontheproteincontentisnotsignificant(F=8．223，P=0．061)．Takingthetwoelementsofbothyieldandactiveingredientintoconsideration，hadconclusionthatremovalofflowerandfruitprocessingWaSthebestproductionmanagement．5．Underthisexperimentalconditions、theyield

8、RanunculusternatusThunb．increaSedwiththeincreaseoffertilizergradually．Comparedwithnitrogenousfertilizerandpotashfertilizer．phosphatefertilizerhadagreaterimpactontheoutput，theinteractioneffectofnitrogen