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1、上海交通大学硕士学位论文上海地区郁金香引种及露地栽培技术研究姓名：沈强申请学位级别：硕士专业：农业推广指导教师：史益敏20051001郁金香从6月下旬开始进行花芽分化7月中下旬叶片和花瓣已形成8月上旬雄蕊发育完成8月中旬雌蕊形成从而完成了整个花芽的分化过程通过使用赤霉素可以部分代替低温的作用增加郁金香植株茎杆高度使用浓度以200-300ppm为宜这对多年持续暖冬冬季低温时间较短的上海地区的公园郁金香花展有一定的应用意义关键词郁金香引种栽培物候期花芽分化赤霉素冷处理STUDIESONTULIPINTRODUCTIONANDCULTIVATIONTECHNOLOGYI
2、NSHANGHAIABSTRACT282varietiesofTulipintroducedfromtheNetherlandswereusedasexperimentmaterialsforgardenplantingtestandbiologicalobservationinShanghai.Theresearchisinfavorofthetulipflowershowinobtainingtechnologicalinformation.Theresultsinclude:Asthephenologicalobservationtest,itisfound
3、thatforearly-floweringTulips,thedateofsproutingisfrommiddleandlatetendaysofFeb・tofirsttendaysofMar.Formid-floweringandlate-floweringTulips,itisfrommiddleandlatetendaysofFeb.tomiddletendaysofMar.Thedateoffully-bloomingisfromtheendofMar.tothebeginningofApr.forearly-floweringTulips・Itisa
4、roundthefirsttendaysofApr.formid-floweringTulipsandthemiddletendaysofApr.forlate-floweringTulips.ThedateofleafwiltingisaroundthefirsttendaysofMayforearly-floweringTulips,middletendaysofMayformid-floweringTulipsandmiddleandlatetendaysofMayforlate-floweringTulips.Thereisquiteabigdiffere
5、nceonnewly-bornbulb-letsamongdifferenttypeofTulips.Thecircumferenceofnewly-bornbulb-letsfromSingleEarlygroupisthesmallestone,andthenParrotgroup,DoubleEarlygroup,Lilyflowergroup,SingleLategroup,Greigiigroup,Triumphgroup,FosterianagroupandDarwinhybridgroup,whichisthebiggestone.Different
6、typeofTulipsneedsdifferentamountofcoldtreatment.Withtheamountofcoldtreatmentincreasing,thetimeneededfromplantingtosproutingandfloweringisdecreasing,thewholegrowingperiodofTulipsislessandthedryweightofthenewly-bornbulb-letsisheavier.Withthetest,itisfoundthattheflowerbuddifferentiationo
7、fTulipsstartsfromthelatetendaysofJune,leavesandpetalsareformedaroundmiddleandlatetendaysofJuly,stamensarereadyatthebeginningofAug.,pistilsareformedatthemiddletendaysofAug.Sothewholeprocedureofflowerbuddifferentiationhasbeenready.GA3maypartiallysubstitutethelowtemperatureandimprovethet
8、ulips
