资源描述:
《植物营养与分子生物学.ppt》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、植物营养学与现代生物技术徐芳森植物营养学研究植物营养原理与施肥的科学。植物营养原理研究植物对营养元素的吸收、运转、分配和利用,以及植物体与环境之间营养物质和能量转化过程及其调控的科学。123土壤根地上部BAPTX(P)(T)利用转移运输吸收养分营养利用转移运输吸收养分营养植物必需营养元素(定义,分类,种类)?有益元素?每个必需营养元素的吸收(代谢与同化)、体内含量、分配、营养功能、缺乏(或中毒)症状(诊断)?每个必需营养元素所对应的肥料(种类、性质和施用技术等)?N,P,K肥料三要素?微肥?单质肥料与复合肥料?有机与无机肥?含Cl-肥料与含SO42-肥料?施肥与环境?配
2、方施肥?尤•李比西(1803---1873)Liebig(1840)“Organicchemistryinitsapplicationtoagricultureandphysiology”A:MineralElementTheory(矿质营养学说)B:NutrientReturnTheory(归还学说)C:MinimumNutrientLaw(最小养分律)MacroelementC,H,O,N,P,K,Ca,Mg,SMicroelementFe,Mn,Cu,Zn,B,Mo,ClBeneficialelementNa,Si,I,V,Co,NiCO2Uptakeanddist
3、ributionofboronatfloweringstage(µg)B-ineffi.B-effi.-B+B-B+BOldestleaf11.0217.277.7013.70Youngestleaf0.0240.150.2450.586Mainstem10.5528.7223.7326.68Flower1.235.673.467.85Bud1.8411.481.967.00Total32.8589.3745.6378.21EnzymologyIsotopetracetechniqueSoilScienceAgronomyTraditionalUnderstandingo
4、nPlantNutritionPlantNutritionPlantPhysiologySoilScienceCropPlantSoilFertilizerSoilSciencePlantNutriologyPlantPhysiol.MolecularBiologyAgronomyGeneticsMolecularGeneticsEnviron.EcologyModernDisciplineofPlantNutritionMedicalScienceGenomicsProteomicsMetabomicsPlantNutriomicsIonomicsSignalSigna
5、ltransductiontransductionRec.Rec.PlantPlantNutriomicsNutriomicsSignalSignaltransductiontransductionRec.Rec.PlantPlantNutriomicsNutriomicsMüllerandKersten,2003NRT1familyofnitratetransportersTwofamiliesofnitratetransportergeneshavebeenidentifiedtodate:theNRT1andNRT2families.CHL1participates
6、inbothlowandhighaffinityuptake.NNRT2familyofnitratetransportersTheNRT2familyofgenesencodenitrate-inducible,highaffinitynitratetransporters.AMT1familyofNH4+transportersModelforthefeedbackregulationoftheAtAMT1.1genebyNmetabolites.AmodelforsecondaryPitransportacrosstheplasmamembrane.PTheseni
7、nePht1genesarelocatedonchromosomes1,2,3,and5,respectively.Thediagramdepictsintrons(thinlines)andexons(blackboxes).PhylogeneticanalysisofArabidopsisphosphatetransporterproteinsequences.Citrate,acetatePhosphateFe-phosphateATPADP+PiH+-ATPaseH+H+H+Phosphate-H+cotranspor