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ID:36662683
大小:14.83 MB
页数:41页
时间:2019-05-10
《Effects-of-heat-stress-after-pollination-on-grain-yield-and-starch-quality-of-waxy-maize陆大雷》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Effectsofheatstressafterpollinationongrainyieldandstarchqualityofwaxymaize扬州大学农学院陆大雷陆卫平2013-10Temperatureisoneofthemostimportantfactorsthataffectsthecropgrowthanddevelopment.Projectionstotheendofthiscenturyhavesuggestedthatglobaltemperatureswillincreaseby1.8–4.0℃,dependingonth
2、egreenhousegasemissionscenario.Theoptimumtemperatureforgraindevelopmentinmaizeisbetween27and32℃.Anincreaseintemperatureof2℃wouldresultingreaterreductionsinmaizeyieldby20%.Horrible:Daytemperaturehigherthan35℃,7.21-7.31(2012)Daytemperaturehigherthan35℃,7.23-8.18(2013)Relatedprog
3、ress:Focusedonyieldandphysiologyandbiochemistryindex.Fewstudiesfocusedonmaizestarchquality(Luetal,CarbohydrateResearch,282,157–170,1996)MaincontentsPhysicochemicalpropertiesofwaxymaizeflourduringgraindevelopmentStarchphysicochemicalpropertiesofwaxymaizeFlourphysicochemicalprop
4、ertiesofwaxymaizeGrainphysicochemicalpropertiesoffreshwaxymaizeEffectsofheatstressafterpollinationongrainfillingofwaxymaizegrainPhysicochemicalpropertiesofwaxymaizeflourduringgraindevelopmentHeatstressdecreasethegrainfreshweight,dryweight,volumeandwatercontent.Heatstressdecrea
5、segrainstarchcontentandincreasetheproteinandsolublesugarcontent.PhysicochemicalpropertiesofwaxymaizeflourduringgraindevelopmentEffectsofheatstressafterpollinationongrainproximateofwaxymaizeEffectsofheatstressafterpollinationoniodinestainingatdifferentstagesofwaxymaizestarchPhy
6、sicochemicalpropertiesofwaxymaizeflourduringgraindevelopmentHeatstressincreasetheiodinebindingcapacityanditwasgraduallydecreasewiththegraindevelopment.EffectsofheatstressafterpollinationonstarchgranulesizedistributionatdifferentstagesofwaxymaizePhysicochemicalpropertiesofwaxym
7、aizeflourduringgraindevelopmentStarchgranulesizeatdifferentstageswasincreasedbyheatstress,andthegranulesizegraduallyincreasewiththegraindevelopment.EffectsofheatstressafterpollinationonpastingpropertiesatdifferentstagesofwaxymaizeflourPhysicochemicalpropertiesofwaxymaizeflourd
8、uringgraindevelopmentPastingtemperature,troughviscosityandfin
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