不同育苗技术下烤烟中矿质元素含量的差异.pdfVIP

事比.\141营 el 2012.2 1(5) ,93-97 Acta Agriculturae Boreali-ocadentalis Sinica 不同育苗技术下烤烟卡旷质元素含量的差异 满晓丽，时向东，王林枝，朱命阳，崔苗苗 (河南农业大学烟草行业制年截止音量点:ll; f电室.郑州 450002) 摘 要 1 以 K326 为材料，采用 4 种不同漂浮育苗技术研究烤烟生长期间，叶、茎、根中 8 种矿质元素含量的差 异。结果表明，不同处理下.烤炯叶片 P.K 、Ca 含量差异不明息，生长前期恨和茎中差异明缸，叶片 Mg 含量 在各时期差异均i占到极s.著水平，尤其是循环增氧系统+紫外杀躏技术和具有很系定向培养技术的漂浮青 茵处理，叶、茎、很中 Na 、 Mn 、 Zn 、 Fe.Cu 等微量元素禽量与 CK 栩比.各时期均达极显著水平.应用循环增氧 及紫外杀菌方式育苗和根系定 I.J生*育苗方式处理的烟株对矿质元京吸收能力较强.矿质营养协调，适宜大 规模推广应用. 关键词 z 育苗措施 z烤烟;循环蹭氧 g根系定自J.矿质元素 中国分类号.S604.3 文献标志码 .A 文章编号， 1004-1389(2012}06-0093-05 Analysis on the Difference of Mineral Nutrition Content in Tobacco by Different Floating System Technical Measures MAN Xiaoli , SHI Xiangdong , WANG Linzhi.ZHU Mingyang and CUI Miaomiao (Na,ional Tobacco Cultivalion. Phy.iolollY and Bioch.mi.,ry Re.earch Cenler. Henan Agricultural University. Zhengzhou 450002. China) Abstract: Di fferences of 8 mineral elements in leaves , stems and roots of flu e-cured tobacco during growing period. were studied by different floating system technical measures with K326 for the mate- rials in order to detected effect of ahsorption and utilization to mineral nutrition and breed strong seed- ling. The results showed that: difference between the content of Phosphorus (P). Potassium (K). Calcium (Ca) in leaves among each treatment was not significant. but there was significant difference of stems and roots arnong treatments in the early growing period. The content of Magnesium (Mg) in leaves among all treatments reaching an extrernely remarkable level. especially treatment 3 and 41 In all growing period , the content of microelement including sodium (:Ila) , manganese (M时. zinc (Zn) , ferrum(Fe) ,copper (Cu) in leaves. stems and roots between treatments and control was significant. The tobacco using system of circulation increasing oxygen with UV light and directional growth of root had better absorbent and coordination of mineral nutrition which was suitable application on a large scale. Key words: Se