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1、南方農(nóng)業(yè)學(xué)報(bào)J0uRNAL0FsouTHERNAGRIcuL小JRE2013,44(3):442—446ISSN2095—1191:CODENNNXAABhttp:,/www.nfnyxb.comDOI:10.3969,j:issn.2095—1191.2013.3.442施用BGA土壤調(diào)理劑對(duì)甘蔗苗期生長(zhǎng)效應(yīng)的影響梁強(qiáng),賢武,桂意云,雷敬超,方鋒學(xué),周會(huì),楊榮仲+(中國(guó)農(nóng)業(yè)科學(xué)院甘蔗研究中心/廣西農(nóng)業(yè)科學(xué)院甘蔗研究所/廣西甘蔗遺傳改良重點(diǎn)實(shí)驗(yàn)室/農(nóng)業(yè)部廣西甘蔗生物技術(shù)與遺傳改良重點(diǎn)實(shí)驗(yàn)室,南寧530007)摘
2、要:【目的】研究BGA土壤調(diào)理劑在不同土壤類型中對(duì)甘蔗苗期生長(zhǎng)的影響,為BGA土壤調(diào)理劑在生產(chǎn)上的應(yīng)用提供參考?!痉椒ā恳怨鹛?2—281和R0c22作為試驗(yàn)品種,采用室外桶栽試驗(yàn),分別以壤土和粘土為栽培基質(zhì),設(shè)不同BGA施用量(0、2、4、6、8g瓜g土)處理及施用復(fù)合肥(1.2g/kg土)處理,測(cè)定不同處理對(duì)甘蔗苗期葉片葉綠素含量、株高和葉片營(yíng)養(yǎng)元素含量?!窘Y(jié)果】桶栽甘蔗施用BGA土壤調(diào)理劑,可促進(jìn)甘蔗苗期的生長(zhǎng),提高葉片葉綠素含量,增加植株高度,明顯提高甘蔗葉片中N、K含量。在同類型土壤條件下不同甘蔗品種
3、間的效應(yīng)一致,而對(duì)于同一甘蔗品種下粘土施用效果比壤土顯著,其中6、8班g土施用量的促進(jìn)效果較顯著。【結(jié)論】BGA土壤調(diào)理劑對(duì)桶栽甘蔗苗期生長(zhǎng)具有促進(jìn)作用。關(guān)鍵詞:土壤調(diào)理劑;BGA;甘蔗;苗期;生長(zhǎng)效應(yīng)中圖分類號(hào):S156.2文獻(xiàn)標(biāo)志碼:A文章編號(hào):2095—1191(2013)03一0442一05InnuenceofapplyingBGAconditionerongrowthofsugarcaneseedlingLIANGQiang,XIANWu,GUIYi—yun,LEIJing—chao,F(xiàn)ANGFeng
4、—xue,ZHOUHui,YANGRong—zhong+(SugarcaneResearchCenter,ChineseAcademyofAgricultumlSciences,SugarcaneResearchIns“tute,GuangxiAcademyofAgricultumlSciences,Guang)(iKeyLaboratoryofSugarcaneGeneticImpmVement/KeyLaboratoryofSugarcaneBiotechnolog)『andGeneticImpmvemen
5、t(Guang】【i),MinistryofAg打culture,P.RChina,Nanning530()07,China)Abstract:【0bjective】TheexperimentsaimedtostudythegrowtheH’ectoftheBGAsoilconditioneronsugarcaneatseedlingstageindi玨毫rentsoiltypessothatrelevantinfo珊ationcouldbeprovidedfbrapplyingBGAsoilcondition
6、erinsugarcaneproduction.【Method】0utdoorpot—cultuI℃trialwasdesignedfortwotypesofsoil(10amandclay),twoVarieties(Guitang02—281andROC22),andfourBGAtreatmentlevels(Bl'B2,B3,B4with2,4,6,8gBGA/l【gsoil,respec“vely)withCKl(blankcontml)andCK2(1.2gcompoundf色rtilizeI恨gs
7、oilcontr01).Thenchlomphyllcontent,plantheightandnutrientcontentinleavesatsugarcaneseedlingstageweremeasuredinvariedtreatments.【Result】underpotexperiment,BGAsoilconditionercouldpromotethegIDw【hofsugarcaneseedling,increasechlorophyUcontentandplantheight,im—pmv
8、enitmgenandpotassiumcontentofsugarcaneleafsignificantly.TheeffectofBGAtreatmentinclaywaseVidentlybenerthaninloam.buttheef.fectwassimilarbetweenthetwovarietiesinthesamesoil.Meanwhile,thebestefkct