丸化型水稻种衣剂的理化性能研究.PDF

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1、中国农学通报2012,28(24):13-17ChineseAgriculturalScienceBulletin丸化型水稻种衣剂的理化性能研究123343熊海蓉，邹应斌，熊远福，李霞，文祝友，刘英（1湖南农业大学分析测试中心，长沙410128；2湖南农业大学农学院，长沙410128；3湖南农业大学理学院，长沙410128；4湖南农业大学动物科技学院，长沙410128）摘要：为了探明丸化型水稻种衣剂的理化性能，为水稻免耕直播栽培技术提供参考，用丸化型水稻种衣剂WHW-25包衣水稻种子，通过种衣剂的成膜、贮存试验和包衣种子的吸水率、水下萌发以及贮存等试验，研究丸

2、化型水稻种衣剂WHW-25的理化性能，并与进口种衣剂适乐时进行比较。结果显示：丸化型水稻种衣剂成膜性、贮存性及丸衣透水性良好；丸化包衣种子在水下的发芽势、发芽率分别比未包衣的对照提高了36.3%和33.5%；贮存12个月，丸化包衣种子的发芽率比对照提高了35.6%；其综合效果优于对比试验所用的进口种衣剂。说明丸化型水稻种衣剂能显著促进水稻种子在水下的萌发、提高水稻种子的耐贮存性，其理化性能良好。关键词：种子包衣；种子丸化剂；理化性质；水稻；水直播中图分类号：S351.1，S511文献标志码：A论文编号：2011-3033StudyonPhysicalandCh

3、emicalPropertiesofRiceSeed-pelletingAgent123343XiongHairong,ZouYingbin,XiongYuanfu,LiXia,WenZhuyou,LiuYing(1CenterofAnalysisandTesting,HunanAgriculturalUniversity,Changsha410128;2CollegeofAgronomy,HunanAgriculturalUniversity,Changsha410128;3CollegeofScience,HunanAgriculturalUniversi

4、ty,Changsha410128;4CollegeofAnimalScience,HunanAgriculturalUniversity,Changsha410128)Abstract:Toexplorephysicalandchemicalpropertiesofriceseed-pelletingagentforprovidingreferenceforno-tillageanddirect-seedingcultivationofrice,thephysicalandchemicalpropertiesofseed-pelletingagentWHW-

5、25werestudiedbymeansofexperimentsoffilm-formingandstorageofseed-pelletingagent,andexperimentsofwaterabsorption,underwatergerminationandstorageofpelletedriceseed.Meanwhileitseffectswerecomparedwiththoseofaexportseed-coatingagent.Resultsshowedthat,theseed-pelletingagenthadgoodproperti

6、esinfilm-forming,filmuniformandwaterpermeability.Thegerminantenergyandgerminantrateofthepelletedriceseedincreased36.3%and33.5%comparedwithuncoatedcontrols,respectively.After12months’storage,thegerminantrateofthepelletedriceseedincreased35.6%comparedwithuncoatedcontrols.Thegeneraleff

7、ectsofthisseedpelletingagentwereobviouslybetterthanthoseoftheexportagentusedinthisexperiment.Theseresultsindicatedthat,theseed-pelletingagentcouldmarkedlypromoteseedgerminationunderwaterandimprovesafetystorageofriceseed,itsphysicalandchemicalpropertiesweregood.Keywords:seedcoating;s

8、eed-pelletingagent;