1、不同灌溉模式對春大麥農(nóng)藝和生理特性的影響InfluencesofDifferentIrrigationPatternsonAgronomicPhysiologicalacteristicsofSpringBarley申請人：李國興學(xué)科專業(yè)：作物研究方向：大麥栽培生理學(xué)位類別：農(nóng)業(yè)碩士指導(dǎo)教師：徐壽軍教授論文提交日期：二○一八年六月碩士學(xué)位論文分類號S512.31ICS65.020.20學(xué)校代碼10136學(xué)號201600059Influe

2、ncesofDifferentIrrigationPatternsonAgronomicPhysiologicalacteristicsofSpringBarleyAbstractInthisarticleAnewbarleyvarietyMengpimaiNo.5wasusedasthetestmaterialSettingfourdifferentirrigationtreatments.Theeffectsofdifferenti

3、rrigationtimesonMengpimaiwheat5inTongliaoregiononagronomicactersyielddrymatteraccumulationnitrogencontentchlophyllcontentprotectiveenzymeactivityfluescenceparameterswerestudied.Theresultsshowthatinthetrefoilstagebootings

4、tagegroutingperiodareirrigationundertheoptimalphysiologicalresponseofbarley.Theresultsareasfollows:1.Thedecreaseofirrigationtimeswillmakebarleyplantheightspikelengthyieldgraineffectivepaniclenumbergrainnumberperpaniclewe

5、resignificantlylowertreatmentCtoreducethemost32.80%lowerplantheightratiocontrolearlengthwas34.68%lowerthanincontrol26.78%lowerthancontrolskernelsper13.26%lowerthanincontroltheeffectivepanicleswas22.09%lowerthanincontrolg

6、rainnumberperpaniclewas26.17%lowerthanincontrol.2.Thedecreaseofirrigationtimeswillgraduallyreducethedrymatterweightofeachganofbarley.ThemaximumvalueofstemweightstemgraindryweightofbarleyintreatmentCis30.44%43.40%26.17%lo

7、werthanthecontroltreatmentrespectively.Withtheprocessofgroutingthedrymatterofbarleywasincreasedfirstthendecreasedthedrymatterofbarleywasgraduallyreducedthedrymatterofbarleygrainsshowedatrendofincreasinggradually.3.Thedec

8、reaseofirrigationtimeswillgraduallyincreasethenitrogencontentofstemsgrainsofbarleythenitrogencontentofleavesdecreasedwiththedecreaseofirrigationtimesfromfloweringperiodto14daysafteranthesis.Leafnitrogencontentincreasedwi

9、ththedecreaseofirrigationtimesfrom21daysto35daysafteranthesis.ThenitrogencontentinstemleafgrainofbarleytreatedwithCat35dafterfloweringwas58.06%53.85%38.14%higherthanthatofCKrespectively.Withtheprocessofgroutingtheamounto

10、fnitrogeninthestalksleavesofbarleyshowedadecreasingtrendthenitrogencontentingraindecreasedfirstincreased.4.Thedecreaseofirrigatingtimeswillgraduallyreducethechlophyllcontentofbarleyleavesthechlophyllcontentofbarleyleaves

11、inCtreated35daysafterfloweringisreducedby22.76%comparedwiththecontroltreatment.Withtheprocessofgroutingthecontentofchlophyllinbarleyleavesdecreasedgradually.5.Thedecreaseofirrigationtimeswillgraduallydecreasetheactivitie

12、sofSODPODCATintheleavesstemsgrainsofbarley.TheMDAcontentwillgraduallyincreasethedegreeofchangeintreatmentCwillbethelargest.WiththeprocessofgroutingtheSODCATactivityofbarleyleavesstalksgrainsgraduallydecreasedPODactivitys