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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;