混合生長調節(jié)劑對烤煙鉀素營養(yǎng)及主要品質指標的調控作用.pdf

1、華中農業(yè)大學碩士學位論文混合生長調節(jié)劑對烤煙鉀素營養(yǎng)及主要品質指標的調控作用姓名：曾洪玉申請學位級別：碩士專業(yè)：土壤學指導教師：范業(yè)寬蘇以榮20040501RegulationofMixedPlantGrowthRegulatorsonPotassiumNutritionandMainQlllityIdicesofTobaeeoleafAbstractLeafkcontentisoneoftheimportantqualityhadie

2、esforflueearedtot]taccoIncreasingthepotassiumcontentsOftobaecoLeafisstillthehotDo硫inthe丘eldoftobaccoTherehavesomloreportsaboutplantgrowthregulatorAincreasingthepotassiumcontentsoftobaccoleafbuttherehavestillsomede＆iencie

3、sforthisteehn0109YmeasureinpracticalproductionOnthebaseofLiuJuanxu’sstudy(2002】，threemixedplantgrowthregulatorswereappliedOiltopoftobaccoshootaftertoppingbymicrofie坩potcultureandfieldexperimentinthispaperAtthesaⅡletimeth

4、eeffectofthreemixedplantgrowthregulatOrSunderdiffe陀ntclimateⅥ懈studiedinChangshaHunanandXundianYunnanPotassiumcontents，NcompoundCOntents，totalsugarcontentsandreducingsugarcontentsoftobaeeoleafweretestedMainresultsWClrto鶴f

5、ollows：1MixedplantgrowthregulatorsincreasedthepotassiumcontentsoftobaecoleafsignificantlyUriderthefowdesignedmixedA、B、ClevelstheeffectofC3(30：015：5)WaSmoireoutstandingandB、Cdidn’tinfluencethedominantfunctionofAwhenth詈vwo

6、rkedsomephysiologicalfunction2MixedplantgrowthregulatorshaddifferentresponsetodifferentfluecuredtobaccovatietiesandC3wasmDreoutstandingThcinereasedpotassiumextentofGSO，cloudandmist87andK326washigherthanthatofeloudandmist

7、$5，butthereWaSll’tdifferentamoIlgG80，cloudandmist87andK3263MixedplantgrowthregulatorsinfluencedotherqualityindicesdifferentlyTheydecreasedthenicotinecontentsoftobaccoleafsignificantlyandtherehadobviousminusrelativitybetw

8、eenpotassiumandnicotinecontentsoftobaccolea￡TheydecreasedorincreasedaminoaC：idcontentsoftobaccoleafbuttherelativitybetweenpotassiumaIld’aminoacidcontentsoftobaccoleafwasobverseTheydidntinfluencethetotaiN，reducingsugarmti

9、ooftotalsugarandnieotineanddifferencebetweentotalsugarandreducingsugaroftobaccoleaf4Uruler30：015：5ofA、B、Clevelsthepotassiumcontentsoftob8ccoleafw骶increasedsignificantlybysingO89lanolin5Mixedplantgrowthregulatorsallincrea

10、sedpotassiumcontentsoftobaccoleafit3tWOdifferentclimatetobaccegionandhandling3wasoutstandingButinXundiansingleA(30mgkg1)WaSbcttel6Mixedplantgrowthregulatorsinfluencedotl烈qualityhadie髓differentlyintwodifferentclimatetobac

11、cospotSamehandling(t3andC3)decreasedthenicotinecontentsoftobaccoleafinCropPlaceandincreasedtheaminoacideontcrasoftobaccoleafinXundiansigni&antly1kyinfluencedtheamino粒idcontentsoftobaccoleafandachievedtwocontraryobviousle

12、velsindifferenttobaccegionTheydidn’tinfluencethetotalN，reducingsugarratiooftotalsugarandnicotineanddifferencebetweentotalsugarandreducingsugaroftobaccolea￡Theratiooftotalsugarandnicotinecontentsoftobaeeoleafwasdifferenti

13、ntwotobaccospotinXundiantheratiooftotalsugarandnicotinecontentsoftobaccoleafw辯mostinthel“allgCof610：l，anditwagveryharmoniousbutinCropPlaceitexceeded10：1mostlyanditⅥ船蛐’tveryharmoniousKeywords：MixedPlantGrowthRegulators；Po