摘要
Ricecultivationisconsideredtobeinitiatedbyvegetativepropagationofsproutfromwildperennialstocks.Totestwhetheranypresentlycultivatedricecultivarcansurvivethewintercoldornot,ricestocksofseveralcultivarsincludingindicaandjaponicatypeswereplacedinashallowpoolfromOctobertoAprilin2015–2016and2016–2017.Duringthecoldestperiodofthewinter,thebasesofthestockswereplaced5–6cmbelowthesurfaceofwater,wheretemperaturesrangedfrom3oCto5oC,whilethesurfacewasfrozenfortwoorthreetimesandcoveredwithsnowforaday.Onlyonecultivar,Nipponbare,ajaponicatype,survivedthewintercoldandregeneratedsproutsintheendofAprilorearlyMay.Apossibilitytodevelopperennialcultivationofriceorperennialhybridriceisdiscussed.
出版日期
2018年02月12日(中国期刊网平台首次上网日期,不代表论文的发表时间)