资源描述:
《红豆杉栽培技术》由会员上传分享,免费在线阅读,更多相关内容在工程资料-天天文库。
1、红豆杉栽培技术CultivationtechniquesofTaxuschinensis3artificialCuttagePropagationofTaxuschinensisThecuttingpropagationofTaxuschinensisisbestforyoungshootsinspring,andhardshootsforautumn.Generalcuttingsshouldbelowshedshadingtreatment・Theaveragecuttagesurvivalratecanreachabove70%・Whileconventionalcutta
2、geonlyabout3%~20%・Shadingrateisnotlessthan60%.Thecuttingbaseshouldbetreatedcarefully.Humidityshouldbemaintainedintermittentlyaround75〜85%atthebeginning.Avoidstrongwindsandcausedehydration.Thefactorsaffectingthesurvivalrateofcuttingsare:treeage,temperature,chemicaltreatmentconcentration,substr
3、ate,season,humidity,variety,andotherhumanfactors・ThedatashowedthatthesurvivalratesofseveralspeciesofTaxuschinensiswerehighest,includingTaxus95%,Taxuschinensisvar.mairei95%,Yunnanyew90%,andChineseyew86%Duringthefirstyearofrooting,theupperpartofthecuttingsgrewslowly,buttherootswererapidandthela
4、teralrootsdeveloped・Aftersecondyearstransplant!ng,weneedfurthersunshadingtreatmentandseedbedmanagement・Ensurethatthecorrespondingenvironmentalconditions,growthaccelerated・Ithasthefastestgrowthrateinsummerands1owinwinterandspring.Atthispointshouldpayattentiontochangesintemperature,long-termdry
5、ingcancausegrowthinhibitionorsuddendeath.ButtheseedlingsurvivalrateofTaxuschinensisisveryhighaftertheseedlingsareraisedintheseedbed・Rarelydied,andgrewrapidly.ThemethodofcuttageisthemosteffectivewaytosolvetheshortageofTaxusresourcesandspeeduptheconstructionofyewmedicinalforest・Yewbonsaiconserv
6、ationknowledge1.〃newbonsaimaintenance"newpurchaseofTaxusbonsaieverythreeorfourdaysforthebestKH2P04foliarapplicationof800down1000times,generallybeforeteno'clockinthemorning,canalsobecarriedoutatfourp.m.orso,continuoussprayingthreetofourtimes,graduallyreducedtoaboutamonthona.2.,"lightrequiremen
7、ts",yewisashadeplant,suitableforindoordisplay,butshouldpayattentiontothesummershadeshouldbeappropriate,shouldnotbeplacedinthelightoftheroom.3.,"so订choice",thesoilshouldbeplantedwithloose,richinhumus,fertile,acidicsoil(PH二5~6.5).4."water"basin