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    冯为迅, 杨源通, 苏立城, 等. 施用复合肥对巴戟天产量、养分吸收和寡糖累积量的影响[J]. 华南农业大学学报, 2024, 45(1): 71-79. doi: 10.7671/j.issn.1001-411X.202210001
    引用本文: 冯为迅, 杨源通, 苏立城, 等. 施用复合肥对巴戟天产量、养分吸收和寡糖累积量的影响[J]. 华南农业大学学报, 2024, 45(1): 71-79. doi: 10.7671/j.issn.1001-411X.202210001
    shu
    FENG Weixun, YANG Yuantong, SU Licheng, et al. Effects of applying compound fertilizer on yield, nutrient absorption and oligosaccharide accumulation of Morinda officinalis[J]. Journal of South China Agricultural University, 2024, 45(1): 71-79. doi: 10.7671/j.issn.1001-411X.202210001
    Citation: FENG Weixun, YANG Yuantong, SU Licheng, et al. Effects of applying compound fertilizer on yield, nutrient absorption and oligosaccharide accumulation of Morinda officinalis[J]. Journal of South China Agricultural University, 2024, 45(1): 71-79. doi: 10.7671/j.issn.1001-411X.202210001
    shu

    施用复合肥对巴戟天产量、养分吸收和寡糖累积量的影响

    Effects of applying compound fertilizer on yield, nutrient absorption and oligosaccharide accumulation of Morinda officinalis

      摘要
    • 摘要:
      目的 研究复合肥施用量对巴戟天产量、养分吸收和主要有效成分寡糖累积量的影响，为巴戟天的施肥管理提供理论依据。
      方法 以巴戟天为研究对象，通过盆栽试验，设置每株施用复合肥0、2、4、6、8和10 g (CK、T1、T2、T3、T4和T5)共6个处理，测定巴戟天在不同施肥处理下的产量、养分含量和寡糖含量，分析各指标间的相关性，并运用主成分分析方法进行综合评价。
      结果 施用复合肥可以显著提高巴戟天产量和N、P、K含量，并有利于提高寡糖的累积量。其中，单株施肥量为6 g处理的巴戟天产量和寡糖总累积量最高，与CK相比，分别提升114.47%和75.36%。施肥在一定程度上降低了巴戟天的寡糖含量，与CK相比，降幅最高达35.65%。巴戟天对复合肥中养分的利用效率表现为N > K > P，其中T3处理N、P、K累积量均高于其他处理。影响巴戟天寡糖累积量的最关键因素是产量，巴戟天产量与全株N/P/K含量、4种寡糖累积量呈显著或极显著正相关，但耐斯糖、1F−果呋喃糖基耐斯糖含量与产量、全株N/P/K含量呈显著或极显著负相关。主成分分析的综合得分由高到低为T3 > T5 > T4 > T2 > T1 > CK，T3处理最佳。
      结论 建议巴戟天的种植以N肥为主，适量补充K和P肥，适当施肥可显著提高巴戟天药材产量和寡糖累积量。

       

      Abstract:
      Objective To study the effects of compound fertilizer application amount on yield, nutrient absorption and accumulation of main effective component oligosaccharides of Morinda officinalis, and provide a theoretical basis for the fertilization management of M. officinalis.
      Method Using M. officinalis as the research object, through the pot experiment, a total of six treatments were set up to apply 0, 2, 4, 6, 8 and 10 g compound fertilizer (CK, T1, T2, T3, T4 and T5) per plant. The yield, nutrient content and oligosaccharide content of M. officinalis under different fertilization treatments were determined. Then we analyzed the correlation between the indicators, and comprehensively evaluated them by principal component analysis.
      Result The application of compound fertilizer significantly improved the yield of M. officinalis, increased the N, P and K contents, and contributed to the increase in the accumulation of oligosaccharides. The highest yield and total oligosaccharide accumulation were achieved in the treatment of 6 g compound fertilizer per plant (T3), compared with no fertilizer (CK), with increases of 114.47% and 75.36% respectively. Fertilizer application reduced the oligosaccharide content of M. officinalis to some extent, with a maximum decrease of 35.65% compared to CK. The utilization efficiency of nutrient in compound fertilizer by M. officinalis showed N > K > P, and the accumulations of N, P and K in T3 treatment were higher than those of other treatments. The yield was the most critical factor affecting the accumulation of oligosaccharides in M. officinalis. The yield of M. officinalis was significantly or highly significantly positively correlated with the whole plant N, P, K contents and the accumulation of four oligosaccharides, but the contents of nystose and 1F-fructofuranosyl nystose were significantly or highly significantly negatively correlated with the yield and the whole plant N, P, K contents. The comprehensive score of principal component analysis from high to low was T3>T5>T4>T2>T1>CK, with T3 treatment being the best.
      Conclusion It is suggested that the cultivation of M. officinalis should focus on N fertilizer, and supplement K and P fertilizer appropriately. Proper fertilization can significantly increase the yield of M. officinalis and the accumulation of oligosaccharides.

       

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