两种微生物菌剂对土壤特性及赤霞珠葡萄果实品质的影响-园艺专业毕业论文

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1、AbstractTherewaslargeareaofwinevineyardsattheEasternfootofHelanMountain，andthewinegrapeindustryhasbecomethemainindustryhere。However,manyreasons，suchasbarrenvineyardsoil，chemicalfertilizersover-reliance，10Wandunstableyield，severelyrestrictthedevelopmentofthisi

2、ndustry．Bytaking5years—oldCabernetsauvignon，fieldexperimentsandlaboratoryanalysisweredesignedtoinvestigatetheinfluenceofdifferentmicrobialagentsanditsapplicationratetothephysical，chemicalandbiologicalfeaturesoftheearth，aswellastheinfluencetothegrowthofwinegra

3、pe，nutrientsuptake，yieldandquality,inordertoestablishfertilizerapplicationsuitablefortheEasternfootofHelanMountain．Weprovidedthescientificbasisforhigheryield，betterquality,moreefficientlyandmoresafeproductionofwinegrapewithalongtimeview．Theresultsshowedthat：1

4、．Applicationoftwokindsofmicrobialagentscouldimprovethephysicalpropertiesandtotalnitrogencontents，alsoincreasethesoilenzymeactivityandthenumberofsoilmicroorganism．ThebestwereBacillusmucilaginosus0．5kg／667mzandBrevibacilluslaterosporus1．0kg／667m2。2．Twomicrobial

5、agentscouldeffectivelypromotethegrowthofgrapes．ThetreatmentofBacillusmucilaginosus0．5kg／667mzaffectedoptimum．ComparedwithCK，newshootlength，grapeshootdiameterandhundred—grainweightimproved27。84％，16．67％and7．78％．ThenextwasBrevibacilluslaterosporus1．5kg／667mz．Com

6、paredwithCK，newshootlength，grapeshootdiameter,andhundred—grainweightimproved35．71％，11．67％，and8．54％．3．Microbialagentscouldimproveleafphotosyntheticefficiently．ThebestwereBacillusmucilaginosus1．0kg／667m2andBrevibacilluslaterosporus1．5kg／667m2．Thenetphotosynthet

7、icratewasimproved2．56％、15．38％．4．Bacillusmucilaginosus0．5kg／667m2impactedgrapequality．Totalsolublesugar,anthocyaninsandtotalphenolicswereincreasedby18．53％，34．52％，and27．43％．ThenextwasBrevibacilluslaterosporus1．0kg／667m2．ComparedwithCK，totalsolublesugar,anthocya

8、ninandtotalphenolicwereincreasedbyl2．59％，36．71％，and21．20％．5．Fromallaspectsoffactors，thebestdoseoftheBacillusmucilaginosusandBrevibacilluslaterosporuswere0．5kg／667m2and1．0kg／667m2．Keywords