不同品种辣木全氮的动态变化特征研究
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摘要
为了解不同品种辣木氮的动态变化规律,对西双版纳不同树龄的多油辣木、狭瓣辣木和‘PKM1’辣木叶、茎、枝中全氮含量及氮的生物累积量年动态变化特征进行比较研究。结果表明,辣木氮含量及氮生物累积量随品种、树龄、时间而变化。辣木全氮含量呈现:叶>茎>枝,14年树龄>3年树龄,随时间变化逐渐降低。叶中全氮含量呈现:多油辣木>‘PKM1’辣木>狭瓣辣木;茎中全氮含量呈现:‘PKM1’辣木和狭瓣辣木高于多油辣木;枝中辣木氮含量受品种、树龄的影响而呈现不同差异。辣木全氮累积量呈现:枝>叶>茎,狭瓣辣木和多油辣木最高,‘PKM1’辣木最低。
In order to understand the nitrogen dynamic change rules of different moringa cultivars,a study was conducted to compare the annual variation of content and biological accumulation of total nitrogen in leaves,stems and branchs from Moringa oleifera,moringa stenopetala and moringa ‘PKM1' with different tree ages in Xishuangbanna. The results showed that the content and biological accumulation of total nitrogen varied with seasons,tree age and cultivars. Content of total nitrogen showed a trend of leaf>stem>branch,14 year tree age>3 year tree age,and decreased gradually with time. The total nitrogen content was as follows:moringa oleifera>moringa ‘PKM1'>moringa stenopetala in leaves,‘PKM1' moringa and moringa stenopetala>moringa stenopetala in stems,but the nitrogen content of moringa oleifera was different by influence of cultivars and age. The total nitrogen accumulation was in the order of branch>leaf>stem,and presented the highest in moringa stenopetala and moringa oleifera,but the lowest in ‘PKM1' moringa.
In order to understand the nitrogen dynamic change rules of different moringa cultivars,a study was conducted to compare the annual variation of content and biological accumulation of total nitrogen in leaves,stems and branchs from Moringa oleifera,moringa stenopetala and moringa ‘PKM1' with different tree ages in Xishuangbanna. The results showed that the content and biological accumulation of total nitrogen varied with seasons,tree age and cultivars. Content of total nitrogen showed a trend of leaf>stem>branch,14 year tree age>3 year tree age,and decreased gradually with time. The total nitrogen content was as follows:moringa oleifera>moringa ‘PKM1'>moringa stenopetala in leaves,‘PKM1' moringa and moringa stenopetala>moringa stenopetala in stems,but the nitrogen content of moringa oleifera was different by influence of cultivars and age. The total nitrogen accumulation was in the order of branch>leaf>stem,and presented the highest in moringa stenopetala and moringa oleifera,but the lowest in ‘PKM1' moringa.
引文
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[13]Shih M C,Chang C M,Kang S M,et al.Effect of different parts(leaf,stem and stalk)and seasons(summer and winter)on the chemical compositions and antioxidant activity of Moringa oleifera[J].International Journal of Molecular Sciences,2011,12:6077-6088.
[2]Lakshmipriya G,Kruthi D,Devarai S K.Moringa oleifera:A review on nutritive importance and its medicinal application[J].Food Science and Human Wellness,2016,5:49-56.
[3]刘昌芬.神奇保健植物辣木及其栽培技术[M].昆明:云南科技出版社,2013.
[4]Debela E.Nutritive value of botanical fractions of Moringa oleifera and Moringa stenopetala grown in the mid-rift valley of southern Ethiopia[J].Agroforestry Systems,2013,87(5):1147-1155.
[5]Jongrungruangchok S,Bunrathep B,Songsak T.Nutrients and minerals content of eleven different samples of Moringa oleifera cultivated in Thailand[J].J.Health Res.2010,24:123-127.
[6]Stefano P,Letizia Z,Maurice K,et al. MicroRNA from Moringa oleifera:Identification by high throughput sequencing and their potential contribution to plant medicinal value[J].PLOS ONE,2016,11(3):1-26.
[7]Aberra M H,Steingass J,Boguhn M,et al.Effects of elevation and season on nutrient compositionof leaves and green pods of Moringa stenopetala and Moringa oleifera[J].Agroforest Syst,2012,86:505-518.
[8]史作民,唐敬超,程瑞梅,等.植物叶片氮分配及其影响因子研究进展[J].生态学报,2015,35(18):5909-5919.
[9]刘忠妹,李海泉,许木果,等.3种辣木中氮、磷、钾、钙和镁元素含量的比较[J].热带作物学报,2016,37(3):461-465.
[10]鲍士旦.土壤农化分析(第3版)[M].北京:中国农业出版社,2000. 39-114.
[11]Hunter I R,Stewart J L.Foliar nutrient and nutritive content of Central American multipurpose tree species growingat Comayagua,Honduras[J].The Commonwealth Forestry Review,1993,72(3):193-197.
[12]Koerselman W,Arthur F,Meuleman M.The vegetation N∶P Ratio:a new tool to detect the nature of nutrient limitation[J].Journal of Applied Ecology,1996,33(6):1441-1450.
[13]Shih M C,Chang C M,Kang S M,et al.Effect of different parts(leaf,stem and stalk)and seasons(summer and winter)on the chemical compositions and antioxidant activity of Moringa oleifera[J].International Journal of Molecular Sciences,2011,12:6077-6088.