Effect of Two Kinds of Compound Rhizosphere Growth-promoting Bacteria on Growth,Physiological Characteristics and Pharmacodynamic Components ofAngelicae Sinensis Radix
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Effect of Two Kinds of Compound Rhizosphere Growth-promoting Bacteria on Growth,Physiological Characteristics and Pharmacodynamic Components ofAngelicae Sinensis Radix
Chinese Journal of Experimental Traditional Medical FormulaeVol. 28, Issue 8, Pages: 131-138(2022)
YAO Yang-yang,YANG Tao,WANG Yin-quan,et al.Effect of Two Kinds of Compound Rhizosphere Growth-promoting Bacteria on Growth,Physiological Characteristics and Pharmacodynamic Components ofAngelicae Sinensis Radix[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(08):131-138.
YAO Yang-yang,YANG Tao,WANG Yin-quan,et al.Effect of Two Kinds of Compound Rhizosphere Growth-promoting Bacteria on Growth,Physiological Characteristics and Pharmacodynamic Components ofAngelicae Sinensis Radix[J].Chinese Journal of Experimental Traditional Medical Formulae,2022,28(08):131-138. DOI: 10.13422/j.cnki.syfjx.20211856.
Effect of Two Kinds of Compound Rhizosphere Growth-promoting Bacteria on Growth,Physiological Characteristics and Pharmacodynamic Components ofAngelicae Sinensis Radix
To study the effects of foliar spraying of two kinds of compound rhizosphere growth-promoting agents on the growth and physiological characteristics of Angelicae Sinensis Radix (ASR), as well as the pharmacodynamic components, in order to lay a foundation for providing functional microbial agents for ecological cultivation of ASR.
Method
2
The compound growth-promoting agents T1 (
Pseudomonas
CBS5, CBS7 and CBSB) and T2 (
Bacillus
5C1, 5C5 and 5C7) with the concentration of 1×10
8
CFU·mL
-1
were sprayed on the leaf surface of the field, and the sterile potato glucose broth medium was used as the control (CK). The plant growth indexes of ASR were measured by conventional methods, the photosynthetic physiological indexes of ASR were measured by portable photosynthetic measurement system, the enzyme activities of plants and microorganisms were measured by kit method, and the endogenous hormone levels were analyzed by ultra-performance liquid chromatography tandem mass spectrometry. The contents of ferulic acid, senkyunolide I, coniferyl ferulate, senkyunolide A and
Z
-ligustilide were determined by high performance liquid chromatography.
Result
2
Compared with CK, the two compound inoculants could promote the growth of ASR and increase the biomass, increase the leaf net photosynthetic rate, stomatal conductance, intercellular CO
2
concentration, transpiration rate, increase catalase, peroxidase, superoxide dismutase, polyamine oxidase, diamine oxidase and polyphenol oxidase enzyme activities, increase endogenous jasmonic acid, cytokinin and gibberellin levels in plants, increase the contents of ferulic acid, senkyunolide A and
Z
-ligustilide, reduce the contents of malondialdehyde and abscisic acid, and reduce the incidence of root rot.
Conclusion
2
Foliar spraying of two kinds of rhizosphere compound growth-promoting agents can promote the growth, photosynthesis and stress resistance of ASR, and can improve the quality of ASR in different degrees. Comprehensive analysis shows that T1 treatment is better than T2 treatment in the growth-promoting and quality-enhancing of ASR.
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