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. 2025 Jun 5:16:1584608.
doi: 10.3389/fpls.2025.1584608. eCollection 2025.

By promoting growth and development, castor bean meal biofertilizer improves the yield and quality of Tartary buckwheat and indirectly improves the growth and development of Tartary buckwheat sprouts

Li Mingjing #  1 , Hu Xuemei #  1 , Luo Rui  1 , Zhang Chunhua  2 , Hu Ruimei  2 , Xue Guibin  3 , Li Guorui  1 , Di Jianjun  1 , Wang Cheng  1 , Gu Xiaohui  1 , Su Zhimin  1 , Li Ruxin  1 , Zhao Yong  4 , Huang Fenglan  1   5   6   7   8
Affiliations

By promoting growth and development, castor bean meal biofertilizer improves the yield and quality of Tartary buckwheat and indirectly improves the growth and development of Tartary buckwheat sprouts

Li Mingjing et al. Front Plant Sci. .

Abstract

Introduction: Fertilizer selection and application is closely related to crop yield and quality. Tartary buckwheat is a medicinal and food crops, has a broad space for development. However, the effect of castor bean meal biofertilizer on the growth and development, yield and quality of Tartary buckwheat and Tartary buckwheat buds is not clear. The aim of this study was to elucidate the effect of castor bean meal biofertilizer on Tartary buckwheat yield and quality, and then to elucidate the effect of castor bean meal biofertilizer indirectly on Tartary buckwheat bud yield and quality.

Methods: Tong buckwheat 3 as the test material, in 2 years of field trials, no fertilizer, chemical fertilizer and cow manure as a control, a total of 10 types of fertilizer treatment, respectively, CK (0 kg·ha-1), F1, F2, F3 (fertilizer, 225, 300, 375kg·ha-1); N1, N2, N3 (cow manure, 7500, 15000, 22500kg·ha-1); B1, B2, B3(Castor bean meal biofertilizer, 7500, 15000, 22500kg·ha-1).

Results: (1) under different fertilizer treatments, Tartary buckwheat plant height, stem thickness, the number of main stem nodes, the number of main stem branches, leaf area and chlorophyll content; single plant grain weight, thousand grain weight and yield of castor bean meal biofertilizer treatment is good, and in the B2 treatment to reach the maximum value. (2) under different fertilizer treatments, Tartary buckwheat protein, starch, cellulose, fat, flavonoid fractions and bioflavonoids are B2 treatment when the highest content. (3) Different fertilization treatments of Tartary buckwheat cultivated Tartary buckwheat buds bud length, fresh weight and dry weight there are significant differences. Tartary buckwheat buds in the 0-16d free amino acids, soluble sugars, total phenols, vitamin C and bioflavonoids content of Tartary buckwheat seeds in the B2 treatment of Tartary buckwheat cultivated Tartary buckwheat buds of the best indicators.

Discussion: In short, this study provides a new fertilization option to improve Tartary buckwheat yield and quality.

Keywords: Tartary buckwheat; Tartary buckwheat sprouts; castor bean meal biofertilizer; quality; yield.

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Conflict of interest statement

Author XG was employed by the company Beijing Zhongmin Sunshine Biotechnology Co. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

Figure 1
Figure 1
Field growth of buckwheat at seedling periods with different fertilization treatments CK: Fertilizer application rate of 0 kg·ha-1; F1: chemical fertilizer application rate of 225 kg·ha-1; F2: chemical fertilizer application rate of 300 kg·ha-1; F3: chemical fertilizer application rate of 375 kg·ha-1; N1: cow manure application rate of 7,500 kg·ha-1; N2: cow manure application rate of 15,000 kg·ha-1; N3: cow manure application rate of 22,500 kg·ha-1; B1: CBM fertilizer application rate of 7,500 kg·ha-1; B2: CBM fertilizer application rate of 15,000 kg·ha-1; and B3: CBM fertilizer application rate of 22,500 kg·ha-1.
Figure 2
Figure 2
Effects of CBM biofertilizer on the agronomic traits of Tartary buckwheat Small letter in the same column means significant difference at p< 0.05. CK: Fertilizer application rate of 0 kg·ha-1; F1: chemical fertilizer application rate of 225 kg·ha-1; F2: chemical fertilizer application rate of 300 kg·ha-1; F3: chemical fertilizer application rate of 375 kg·ha-1; N1: cow manure application rate of 7,500 kg·ha-1; N2: cow manure application rate of 15,000 kg·ha-1; N3: cow manure application rate of 22,500 kg·ha-1; B1: CBM fertilizer application rate of 7,500 kg·ha-1; B2: CBM fertilizer application rate of 15,000 kg·ha-1; and B3: CBM fertilizer application rate of 22,500 kg·ha-1.
Figure 3
Figure 3
Buckwheat kernels harvested from different fertilization treatments CK: Fertilizer application rate of 0 kg·ha-1; F1: chemical fertilizer application rate of 225 kg·ha-1; F2: chemical fertilizer application rate of 300 kg·ha-1; F3: chemical fertilizer application rate of 375 kg·ha-1; N1: cow manure application rate of 7,500 kg·ha-1; N2: cow manure application rate of 15,000 kg·ha-1; N3: cow manure application rate of 22,500 kg·ha-1; B1: CBM fertilizer application rate of 7,500 kg·ha-1; B2: CBM fertilizer application rate of 15,000 kg·ha-1; and B3: CBM fertilizer application rate of 22,500 kg·ha-1.
Figure 4
Figure 4
Effects of the CBM biofertilizer on the yield of Tartary buckwheat. Small letter in the same column means significant difference at p< 0.05. CK: Fertilizer application rate of 0 kg·ha-1; F1: chemical fertilizer application rate of 225 kg·ha-1; F2: chemical fertilizer application rate of 300 kg·ha-1; F3: chemical fertilizer application rate of 375 kg·ha-1; N1: cow manure application rate of 7,500 kg·ha-1; N2: cow manure application rate of 15,000 kg·ha-1; N3: cow manure application rate of 22,500 kg·ha-1; B1: CBM fertilizer application rate of 7,500 kg·ha-1; B2: CBM fertilizer application rate of 15,000 kg·ha-1; and B3: CBM fertilizer application rate of 22,500 kg·ha-1.
Figure 5
Figure 5
Buckwheat bioflavonoid fraction content clustering heat map Small letter in the same column means significant difference at p< 0.05. The abscissa is different fertilization treatments, and the vertical axis is the content of each component of flavonoids. Red represents high content and blue represents low content. CK: Fertilizer application rate of 0 kg·ha-1; F1: chemical fertilizer application rate of 225 kg·ha-1; F2: chemical fertilizer application rate of 300 kg·ha-1; F3: chemical fertilizer application rate of 375 kg·ha-1; N1: cow manure application rate of 7,500 kg·ha-1; N2: cow manure application rate of 15,000 kg·ha-1; N3: cow manure application rate of 22,500 kg·ha-1; B1: CBM fertilizer application rate of 7,500 kg·ha-1; B2: CBM fertilizer application rate of 15,000 kg·ha-1; and B3: CBM fertilizer application rate of 22,500 kg·ha-1.
Figure 6
Figure 6
Effects of CBM biofertilizer on the quality of Tartary buckwheat. Small letter in the same column means significant difference at p< 0.05. CK: Fertilizer application rate of 0 kg·ha-1; F1: chemical fertilizer application rate of 225 kg·ha-1; F2: chemical fertilizer application rate of 300 kg·ha-1; F3: chemical fertilizer application rate of 375 kg·ha-1; N1: cow manure application rate of 7,500 kg·ha-1; N2: cow manure application rate of 15,000 kg·ha-1; N3: cow manure application rate of 22,500 kg·ha-1; B1: CBM fertilizer application rate of 7,500 kg·ha-1; B2: CBM fertilizer application rate of 15,000 kg·ha-1; and B3: CBM fertilizer application rate of 22,500 kg·ha-1.
Figure 7
Figure 7
Growth of buckwheat buds in different fertilization treatments CK: Fertilizer application rate of 0 kg·ha-1; F1: chemical fertilizer application rate of 225 kg·ha-1; F2: chemical fertilizer application rate of 300 kg·ha-1; F3: chemical fertilizer application rate of 375 kg·ha-1; N1: cow manure application rate of 7,500 kg·ha-1; N2: cow manure application rate of 15,000 kg·ha-1; N3: cow manure application rate of 22,500 kg·ha-1; B1: CBM fertilizer application rate of 7,500 kg·ha-1; B2: CBM fertilizer application rate of 15,000 kg·ha-1; and B3: CBM fertilizer application rate of 22,500 kg·ha-1.
Figure 8
Figure 8
Effects of CBM biofertilizer on the yield of Tartary buckwheat sprouts. Small letter in the same column means significant difference at p< 0.05. CK: Fertilizer application rate of 0 kg·ha-1; F1: chemical fertilizer application rate of 225 kg·ha-1; F2: chemical fertilizer application rate of 300 kg·ha-1; F3: chemical fertilizer application rate of 375 kg·ha-1; N1: cow manure application rate of 7,500 kg·ha-1; N2: cow manure application rate of 15,000 kg·ha-1; N3: cow manure application rate of 22,500 kg·ha-1; B1: CBM fertilizer application rate of 7,500 kg·ha-1; B2: CBM fertilizer application rate of 15,000 kg·ha-1; and B3: CBM fertilizer application rate of 22,500 kg·ha-1.
Figure 9
Figure 9
Effects of CBM biofertilizer on the quality of Tartary buckwheat sprouts. Small letter in the same column means significant difference at p< 0.05. CK: Fertilizer application rate of 0 kg·ha-1; F1: chemical fertilizer application rate of 225 kg·ha-1; F2: chemical fertilizer application rate of 300 kg·ha-1; F3: chemical fertilizer application rate of 375 kg·ha-1; N1: cow manure application rate of 7,500 kg·ha-1; N2: cow manure application rate of 15,000 kg·ha-1; N3: cow manure application rate of 22,500 kg·ha-1; B1: CBM fertilizer application rate of 7,500 kg·ha-1; B2: CBM fertilizer application rate of 15,000 kg·ha-1; and B3: CBM fertilizer application rate of 22,500 kg·ha-1.
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