海洋寡糖对植物促生长与生理特性的分析

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1、TheeffectsofMarineoligosaccharidesongrowthpromotingandphysiologicalcharacteristicsofplantsAbstractMarineoligosaccbafidesdegraded

2、i'omtilepolysacchafideinmarineorgatfismareaseriesofoligosaecharidefragmentsManneoligosaccharideshavespecialmoleculestroctureandbiologicalactivitythatusedasafl

3、ew—styleplantgrowthregulator·whicharccharacterizedwithnaturalandphysiohigicalactivitymultiplicity．Thispapertookmonocotyledonbarley,wheatandtobaccocellsuspensionasstudyobjects，studiedtheactioneffectoftwomarineoligosaccharideswithdifferentconcenlrationsandelectricchargeoilplantsandtheeffe

4、ctofregulatingplants’growthandelicitingplmlts。defenseresponsesofoligosacchafidesonsomepreliminaryexplorationwerecanSedoutIntheaspectofpintgrowth-promoting：Theseedsofbarleyandwheatwereimmersedinalginate—derivedoligosaccharide(ADO)andchitosanoligosaccharide(cos)ofdifferentconcentrationand

5、thencuhuredinilluminationboxof24℃，thebestconcentrationofgrowth—promotingwasobtainedpreliminaryontileba．seofgrowthindexes：leaf’sheight，root’slength，leaf’swetghtandrootlswetghtMeanwhile，thepaperwastoexplorethemechanismofoligosaceharldesongrowth-promotingbycombiningthephysiologicalindexsin

6、seeds。germinationandgrowthprocess：chlorophyllcontentofhiavcs，amylaseactivityofseedsandrootaedvityofplantwiththebasicgrowthindexesTbcresultsshowedthattbebestpromotingconcentrationofADOonbarleyandwheatweredifferent，whichwereat05％and0．25％respectively,butbothofthemhadabettereffectongrowthpr

7、omotingbetweentheconcentration025％a兀d05％．whentheconcentrationWaSat075％itbegantohthibitthegrowthofpIant；theeffectofCOSonbarleygrowthpromotingwasassimilaraswheat，thebestpromothlgconcentrationofCOSwasat0025％．andtilepromotionwasweakwhenmcconcentrationwasat0075％Basedoilthedeterminationofphys

8、iologicalindexesofthesemonocotyledons，itshowedthattheoligosacchafidespromotedseedgerminationandseedlinggrowththroughimprovingchlorophyllcontentamylaseactivityandrootactivity．Therefore，thehendofphysiologicalindexeswasidenticaltoofplantThefieldexperimentofwheat：Thewheatseedswe陀im