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时间:2020-05-20
《西宁地区冬季室内漳州水仙催花温度与花期预测.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第33卷第3期青海大学学报(自然科学版)V01.33No.32015年6月JournalofQinghaiUniversity(NaturalScienceEdition)Jun.2015西宁地区冬季室内漳州水仙催花温度与花期预测张元,唐道城2(1.西宁市西山林场,青海西宁810008;2.青海大学高原花卉研究中心,青海西宁810016)摘要:为了解不同催花温度下漳州水仙在元旦、春节开放的花前期天数和观赏器官生长情况,以提供准确的催花时间,本试验模拟西宁地区冬季室内4种平均温度(8,18,20,22℃)作为催花处理温度,对不同催花温度下花期和观赏性状进行比较。结果
2、表明:催花温度与花前期天数呈高度负相关,花前期最长达42d(8℃),最短只有20d(22℃);催花温度与叶片长度、花葶长度呈高度正相关,叶片长度与花葶长度分别可达49.11cm(22℃)和46.1lam(22℃);催花温度与花期长度、单球花枝数和单枝小花数成二次函数拟合模型,最高分别可达24d(8℃)、3.4支(18oC)和12.33朵(18℃)。通过催花温度与各性状的相关分析,建立了西宁地区冬季室内水仙栽培花前期天数及生长预测模型,可以通过室内平均温度预测花前期、花期和生长量。关键词:漳州水仙;催花温度;花期;生长;预测模型中图分类号:$628.21文献标志码:
3、A文章编号:1006—8996(2015)03—0041—04DOI:10.13901/j.cnki.qhwxxbzk.2015.03.009RelationshipbetweenflorescencepredictionandflowerforcingtemperatureonNarcisSUStazettavar.chinensisintheindoorsofXininginwinterZHANGYuan,TANGDaocheng(1.ForestryBureauofXining,Xining810008,China;2.PlateauFlowerResear
4、chCenterofQinghaiUniversity,Xining810016,China)Abstract:FourtemperaturesofXiningindoorinwinter(8oC,18c【=,20℃,22oC)wereusedasforcingtemperatures,pre—floweringdaysandornamentalorgansoftheNarcissusbeforeNewYear~DayandtheSpringFestivalwerediscussed,SOthatprovidedanaccurateflowerforcingtem
5、peratureandflowerforcingtimefortwofestivals.Theresultshowedthatforcingtemperatureandpre—flower—ingdayswerehighlynegativecorrelated,longestpre—floweringdayswere42days(8oC)andshor—testwere20days(22℃).Positivecorelationwasobservedbetweenforcingtemperatureandleaflength.flowerstemlength.Le
6、aflengthandflowerstemlengthreachedto49.11amand46.11amunder22~Ctreatment,respectively.Quadraticfunctionmodelswerepredictedforflowerforcingtem-peratureandfloweringdays,singleballflowercountandsinglefloretnumber,whichreachedasmanyas24(8oC),3.4(18℃)and12.33(22oC).Accordingtocorrelationbet
7、weenforcingtem—peratureandinvestigatedtraits,thepredictionmodelsofpre—floweringdaysandornamentalchar-acterofNarcissustazettavar.chinensisplantedinindoorofwinterseasonwereestablished.Keywords:Narcissustazettavar.chinensis;flowerforcingtemperature;floweringday;vegetativegrowth;predictio
8、nmode
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