Planting Date Effects on Growth, Seed Yield, Essential Oil Content and Chemical Composition of Ajowan

Journal of Applied Biological Sciences

Sadrollah RAMEZANI¹  Behnaz SOLEIMANI¹  Morteza KHOSH-KHUI¹ 

关键词: Essential oil;    Ajowan;    planting date;    seed yield;    yield components.;   

DOI  :  

学科分类：生物科学（综合）

来源: Nobel Bilim ve Arasirma Merkezi/Nobel Science and Research Cente

【 摘 要 】

Inordertostudytheeffectsofplantingdateonseedyield,yieldcomponentsandessentialoilcontentandcomponentsofajowan,anexperimentwascarriedoutintheexperimentalfieldofAgricultureCollegeofShirazUniversityin2007year.Theexperimentswereconductedbasedondesignrandomizedcompleteblockswithsixtreatmentandfourreplications.Treatmentsincludedsixdifferentplantingdate(in30-dayintervalsfromOctobertoMarch).TheessentialoilwasextractedbywaterdistilledmethodfromseedsanditwasanalyzedbyGasChromatography(GC).Measuredtraitsinajowanplantsweresignificantlyaffectedbyplantingdates.Bydelayinplantingdate,plantheight,numberofbranchesperplant,numberofumbels/plant,seedyield,1000seedweight,biologicyieldandessentialoilyieldsignificantlywerereduced.Highestofseedyield(650.1kg/ha)wasobtainedfromOctoberdateandalsoplantingdatehadsignificanteffectonessentialoilcontentandcomposition.Thymolisthemaincomponentofoil.Onthewhole,themaximumthymol(61.85)ofajowanwasobtainedatthefirstplantingdate.Theothermajoroilconstituentswereγ-terpinene(27.35%)p-cymene(11.79%)andβ-pinene(14.04%).AjowanplantscanbesuccessfullygrownintheFarsregionsbyearlyOctoberasthebesttimeforsowing.

【 授权许可】

Unknown