摘要
对刚采收下的茶籽，进行不同方法的脱水干燥和低温、超低温（－１９６℃）处理后，用沙播法测定其发芽率。结果表明，在短期内，茶籽即使脱水至２３％的含水率，仍能保持７０％的发芽率。将茶籽干燥至８％～１０％含水率，在－１９６℃液氮中贮藏２个月，其发芽率没有变化，表明利用超低温长期保存茶籽有望得到解决。从本试验脱水干燥和冷冻损伤处理结果看，茶籽的贮藏特性应归属于正常型种子。
Thenewlypluckedteaseedsweretreatedwithvariousdesiccationmethods,lowtemperatureandultralowtemperature (-196),andthen,thegerminationoftheseedswastestedbysandculturemethod.Resultsshowedthatteaseedshad70%germinationrateevenwhenthewatercontentwasloweredto23%.Nodamagewasobservedtothegerminationofteaseedswhenthewatercontentinteaseedswereloweredto8%10% andkeptfor2monthsunder-196.Accordingtothisinvestigation,teaseedsshouldnotbeclassifiedintotherecalcitranttype,asmostbotanistsbelieved.Teaseedsshouldbeclassifiedasnormaltypeseeds.Thisresultwilldirectustofurtherinvestigatethestoragetechniqueofteaseeds.Theproblemforlongtermstorageofteaseedswillbesolved.
出处
《茶叶科学》
CAS
CSCD
1999年第1期25-28,共4页
Journal of Tea Science
关键词
茶籽
贮藏特性
超低温保存
脱水干燥
TeaseedStoragecharacterUltralowtemperaturestorageDesiccation
