YUHai-wu,LIUJi-xiang,WANGFeng,et al.StudyonBreedingTechniquesandGrowthRhythmforParakmerialotungensis[J].Northern Horticulture,2012,36(12):71-73.
乐东拟单性木兰绿化苗木繁育技术及生长规律的研究
- Title:
- StudyonBreedingTechniquesandGrowthRhythmforParakmerialotungensis
- 文章编号:
- 1001-0009(2012)12-0071-03
- Keywords:
- Micheliacheapnesis; breedingtechniques; growthrhythm
- 分类号:
- S688
- 文献标志码:
- A
- 摘要:
- 对乐东拟单性木兰播种苗及2a生以上绿化苗木进行培育技术和生长规律研究。结果表明:乐东拟单性木兰大田育苗播种量以20~25g/m2为宜。1a生苗高平均55.6cm,平均地径0.67cm,主根长26.1cm,根冠32.6cm×29.9cm,>5cm长I级侧根数9.8根,根系较发达,当年可出圃。10a生绿化大苗平均高达(617±31.97)cm,平均胸径(15.66±1.18)cm,冠径(447±31.85)cm,生长速度较快。每年的6~8月是苗高、径生长最快时期,应加强肥水管理,促进苗木生长。
- Abstract:
- WiththeoptimalParakmerialotungensisseedsastestmaterials,theseedparameters,breedingtechniquesandseedlinggrowthrhythmofParakmerialotungensiswerestudied.Theresultsshowedthatthefieldseedlingdensityshouldbe20~25g/m2;Theaverageheightof1yearoldParakmerialotungensisseedlingswas55.6cmwithaveragegrounddiameterof0.67cm,mainrootlengthof26.1cmandthenumberofΙgradelateralrootwhichlengthwasabove5cmwas9.8stripswithdevelopedrootcrown32.6cm×29.9cm,andtheseedlingscouldbeusedforafforestation.Theseedlinggrowfastrelatively,so11yearsoldseedlingscouldreachdiameteratbreastheight(15.66±1.18)cm,height(617±31.97)cm,crown(447±31.85)cm.ThegrowthpeakofseedlingheightandstemwasfromtheJulytotheAugust,andintheperiod,fertilizermanagementcouldadvanceseedlinggrowth.
参考文献/References:
[1]郑万钧.中国树木志[M].1卷.北京:中国林业出版社,1983:475.
[2]中国科学院中国植物志编辑委员.中国植物志[M].30卷,1分册.北京:科学出版社,1996:147.
[3]张惠良,史红霞,张往祥.乐东拟单性木兰苗木生长特性和育苗技术[J].浙江林业科技,2003(6):45-46.
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备注/Memo
第一作者简介:于海武(1977-),男,山东莱西人,硕士,工程师,现主要从事园林苗木培育及保护等工作。E-mail:yuhaiwua@163.com。
基金项目:国家自然科学基金资助项目(31170670)。
收稿日期:2012-03-07