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时间:2020-03-27
《不同前茬对麒麟烟区烤烟化学成分及协调性的影响.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、南方农业学报JOURNALOFSOUTHERNAGRICULTURE2013,44(4):566—569ISSN2095—1191;CODENNNXAABDOI:10。3969/j:issn.2095—1191。2013.4.566不同前茬对麒麟烟区烤烟化学成分及协调性的影响王斌h,u,周冀衡h+,(1湖南农业大学4烟草研究院;6农学院:长沙李强h,王小兵h,刘加红2410128;2云南省曲靖市烟草公司,云南曲靖655000)摘要:【目的】为优化云南省曲靖市麒麟烟区轮作制度、烤烟的合理布局,提高麒麟烟叶产量及优质烟叶生产提供理论指导。【方法】在麒麟区选择空闲、绿肥、蚕豆、大麦4种不同
2、前茬地块种植云烟85,并对烤烟上、中、下部烟叶内含成分进行比较分析。【结果】前茬为大麦时,中、下部烟叶氯含量最低,中部叶烟碱含量低,糖碱比较高;前茬为绿肥时,所有烟叶化学指标处于较高含量,钾氯比较大;前茬为空闲时,各部位烟叶含有较高的总糖、还原糖、钾含量,且中、下部叶氯含量和烟碱含量少,化学成分协调性较好;前茬为蚕豆时,烟叶氯含量、总糖、还原糖含量偏低,而氮、烟碱含量较高。【结论】麒麟烟区可实施前茬空闲或种植大麦与烤烟轮作的方式,既能降低烟叶烟碱、氯含量,又能保持一定的总糖、还原糖含量,从而提高烟叶化学品质。关键词:烤烟;前茬作物;化学成分;协调性;麒麟区中图分类号:$572文献标志
3、码:A文章编号:2095—1191(2013)04—0566—04Effectsofdifferentprecedingcropsonchemicalpropertiesandcompatibilitiesofflue-curedtobaccoinQilindistrict,YunnanProvineeWANGBinl8”,ZHOUJi-hen91”,LIQiangh,WANGXiao-bingh,LIUJia-hon92(1aInstituteofTobacco,HunanAgriculturalUniversity,Changsha410128,China;岫CoHegeofAg
4、riculture,HunanAgriculturalUniversity,Changsha410128,China;2QujingTobaccoCompany,Qujing,Yunan655000,China)Abstract:【0biective1Rotationsystemandflue—curedtobaccodistributioninQilindistrict,YunnanProvincewereoptimizedtoprovidetheoreticalguideforyieldincreaseandqualityimprovementoftobaccoleaves.【M
5、ethod]TheYunyan85tobaccowasplantedinthesoilswitllfourdi雎rentearlier—croppingcrops,血,fallow,greenmanure,horsebeanandbar—ley,andthecontentsofchemicalcomponentsindifierentparts(top,middle,adnbottom)oftheflue—curedtobacco1eaveswerecompared.【ResuhlWhentheearlier--croppingcropwasbarley,chlorineconten
6、tsinthemiddleandlowerleaveswerethelowest.thenicotineof山emiddleleaveswaslowwhiletheratioofsugarandnicotinewashigh.Whenitwasgreenma.nurebeforethetobacco.allthechemicalcontentswereatahighlevel.andtheratioofpotassiumandchlorinewashigh.Whenthesoilwasfallowpreviously,bothchlorineandnicotinecontentsof
7、themiddleandlowerleaveswerelowerthanoth—erpartswhilethetotalsugar,reducingsugarandpotassiumcontentwerehigh,andthechemicalcomponentswerecompati-ble.netotalsugar.reducingsugarandchlorinecontentswerelowwhilenitrogenandnicotinewerehig
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