油菜包衣種子的貯藏特性及烯效唑?qū)ζ渖恼{(diào)控作用.pdf

1、浙江大學(xué)碩士學(xué)位論文油菜包衣種子的貯藏特性及烯效唑?qū)ζ渖恼{(diào)控作用姓名：宋文堅(jiān)申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：作物栽培與耕作學(xué)指導(dǎo)教師：周偉軍胡晉2001.5.1ThestoragebehaviorofcoatedrapeseedandtheregulationofuniconazoleonitsgrowthanddevelopmentPostgraduate：WenjianSongAdvisor：ProfWeijunZhouAssociat

2、eProfJinHu(CollegeofAgricultureandBiotechnology，ZhejiangUniversity，Hangzhou310029，China)AbstractRapeseedwascoatedwithbio—coatingagentbeforesowing，whileuncoatedseedwasregardedasthecontrolThreedifferentmoisturecontentsofra

3、peseedwerestoredatthreedifferenttemperatures(15“C，25。C，35“c)Germinationpercentagewasdeterminedinv抓ousstoragestagesAtthesametime，middlemoisturecontentofrapeseedwasseededinthefieldUniconazolewassprayedfoliarlyatthethreelea

4、fstage，andtheeffectsofthesetreatmentsweredetectedindifferentdevelopmentalstagesTheresultsshowedthattherewasnosignificantdifferenceinstorabilitybetweencoatedseedandthecontrolunderthelowtemperaturestoragecondition，butseedc

5、oatingwasbenefitforpreservingseedviabilityandextendingseedlongevityunderhightemperatureandhighmoistureconditionBesidesundertheroomtemperature，coatedseedwhichobtainedmiddleorhighmoisturecontenthadmorehigherstorabilitythan

6、thecontr01thesafemoisturecontentcouldreach1IO％Coatedrapeseedwasalsosuitedforultra—moisturecontentstorageAfterstoredoneyearunderlowtemperature，therewasnochangeinenergyofgermination，germinationpercentageandgerminationindex

7、ofcoatedseed，whichwasmoresignificantlyhigherthanothertreatmentsAfterseedsweresowedinthefield，seedcoatingsignificantlypromotedthegrowthofseedlings，increasedthelengthandwidthofthemaximumleafandmadetheircolordeeperincreased

8、theirchlorophyllcontent，improvedrootoxidizability，andincreasedthedrywcightofrootandshootUniconazoleregulatedthegrowthofrapeseedlingsusingseedcoating，increasedthenumberofgreenleaves，madeleavessmallerandthickerandthecolord