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1、中国水稻科学(ChinJRiceSci),2010,24(5):487~492http://www.ricesci.cnDOI:10.3969/j.issn.1001-7216.2010.05.007487覆盖方式对旱作水稻后期冠层生理生态特性及产量的影响1,2,*1,22222张玉烛刘洋曾翔陈恺林黄泽辉谢洪科(1湖南农业大学农学院,湖南长沙410128;2湖南省水稻研究所,湖南长沙410125;*通讯联系人,E-mail:yuzhuzhang@hotmail.com)EffectsofMulchingModeonCanopyPhysio
2、logical,EcologicalCharacteristicsandYieldofRiceunderDryCultivation1,2,*1,22222ZHANGYu-zhu,LIUYang,ZENGXiang,CHENKa-ilin,HUANGZe-hui,XIEHong-ke(1CollegeofAgriculture,HunanAgriculturalUniversity,Changsha410128,China;2HunanRiceResearchInstitute,Changsha410125,China;*Correspo
3、ndingauthor,E-mail:yuzhuzhang@hotmail.com)ZHANGYuzhu,LIUYang,ZENGXiang,etal.Effectsofmulchingmodeoncanopyphysiological,ecologicalcharacteristicsandyieldofriceunderdrycultivation.ChinJRiceSci,2010,24(5):487-492.Abstract:Theeffectofmulchingmodeonleafphysiologicalandpopulati
4、onecologicalcharacteristicsofricewasstudiedbyusingsuperhybridricecombinationP88S/1128asmaterialunderthreemulchingcultivationmodesandbarecultivation(con-trol).Theresultsshowedthatmulchingmodehadasignificanteffectonmicro-meteorologicalfactorsandindividualgrowthofrice.Therew
5、asasignificantreductionofricecanopytemperatureinhotseason,especiallyinhigh-temperatureperiods.Undermulchingcultivation,relativehumidityincreased,creatinggoodmicro-climaticconditions.Atthesametime,leaftranspirationincreased,leaftemperaturedecreasedundermulchingcultivation,
6、whichimprovedthetoleranceofricetohightemperaturestress,therebysignificantlyenhancedphotosyntheticrate.Theyieldcomponentsundermulchingcultivationwereobviouslyimproved.Withthehighestgrainnumberperpaincleandseedsettingrate,theyieldunderplasticfilmmulchingcultivationwasincrea
7、sedby16181%comparedtothecontrol.Understrawmulchingcultivation,thenumberofeffectivepaniclesin-creased,leadingtoayieldincreaseof9159%.However,thericeyieldundertheliquidfilmmulchinghadnosignificantdiffer-encewiththatofthecontrol.Keywords:rice;drycultivation;mulching;yield;ph
8、otosynthesis;microclimate张玉烛,刘洋,曾翔,等.覆盖方式对旱作水稻后期冠层生理生态特性及产量的影响.中国水稻科学,2010,24(5):487-492.摘要:以超级杂
