XIAN Kai-mei.Effect of Different Nitrogen Levels on Plant Growth and Yield of Color Pepper[J].Northern Horticulture,2015,39(02):26-29.[doi:10.11937/bfyy.201502007]
不同氮素水平处理对彩椒植株生长及产量的影响
- Title:
- Effect of Different Nitrogen Levels on Plant Growth and Yield of Color Pepper
- Keywords:
- nitrogen level; color pepper; the growth; production; influence
- 文献标志码:
- A
- 摘要:
- 以荷兰彩椒品种‘Mandy’为试材，对温室无土栽培彩椒进行2.5、5.0、10.0(CK）、15.0、20.0 μmol/L（以N2.5、N5.0、N10.0、N15.0、N20.0表示）5个不同氮素水平处理，研究其对彩椒生长、产量、干物质及全氮含量的影响。结果表明：单株全氮含量依次为N15.0（1.6148 g）＞N20.0（1.5000 g）＞N10.0（1.4500 g）＞N5.0（1.4132 g）＞N2.5（1.3670 g）。株高在N2.5～N15.0氮素处理浓度范围内，随浓度增加呈递增趋势，而在N15.0～N20.0处理浓度范围内则呈递减趋势；单株叶片数依次为N10.0＞N15.0＞N5.0＞N20.0＞N2.5；单株叶面积依次为N15.0＞N20.0＞N10.0＞N5.0＞N2.5。各个器官中的氮素分配比例不受不同氮素水平处理的影响，而不同器官中全氮含量则不同。干物质积累方面，在结果期，根部和叶片随氮的增加而增加，果实以施氮量少的增加明显，茎的各处理间差异不明显；在成熟期，茎和叶片随氮的增加而下降，果实随氮的增加呈明显上升趋势，根的各处理间差异不显著。产量依次为N15.0＞N5.0＞N10.0＞N20.0＞N2.5。试验认为温室无土栽培彩椒最佳氮素施用浓度为15.0 μmol/L。
- Abstract:
- Taking Holand color pepper variety ‘Mandy’ as material，2.5，5.0，10.0 (CK)，15.0 and 20.0 μmol/L (they were numbered as N2.5,N5.0,N10.0,N15.0,N20.0)five different nitrogen levels were processed on greenhouse soilless cultivation color pepper，the growth，yield，dry matter and the total nitrogen content were studied.The results showed that，plant total nitrogen content in the order was N15.0 （1.6148 g)>N20.0 （1.5000 g)>N10.0 （1.4500 g)>N5.0 （1.4132 g)>N2.5 （1.3670 g).Plant height under N2.5-N15.0 treatment concentrations range showed the increasing trend with the increase of concentration，and concentration range under N15.0-N20.0 processing showed a trend of decline；leaf number perplant in the order was N10.0>N15.0>N5.0>N20.0>N2.5；leaf area per plant in the order was N15.0>N20.0>N10.0>N5.0>N2.5.Distribution of nitrogen in various organs of proportion was not affected by the influence of different nitrogen levels，and total nitrogen content in different organs were different.Dry matter accumulation in the fruiting period，the roots and leaves increased with the increase of nitrogen，the fruit increased obviously when nitrogen application was less，no obvious difference existed between different processing of stem；in the mature period，stem and leaf decreased with the increase of nitrogen，fruit increased with the increase of nitrogen，the differences of the root between the groups was not significant.Output in the order was N15.0>N5.0>N10.0>N20.0>N2.5.The results showed that the best nitrogen fertilization level of greenhouse soilless cultivation color pepper was 15.0 μmol/L.
参考文献/References:
[1]Batal K M，Smittle D A.Response of bell pepper to irrigation，nitrogen and plant population[J].J of Am Soc Hort Sci,1981,106(3):259-262.
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备注/Memo
作者简介：鲜开梅（1981-），女，新疆人，硕士，助理研究员，研究方向为设施园艺。E-mail：condyxkm@126.com.