Deciphering the effects of genotype and climatic factors on the performance, active ingredients and rhizosphere soil properties of .

INTRODUCTION

Bunge is an important medicinal herb, which is widely cultivated in most parts of China. It has attracted considerable attention because of its pharmacological properties and potential health benefits.

METHODS

We used a field experiment to determine the effects of different genotypes and climatic factors on the performance (plant biomass, morphological parameters), active ingredients, rhizosphere soil physicochemical properties and microbial composition of at five cultivation locations.

RESULTS

The results showed that these parameters were significantly different in the six different genotypes of from five producing areas. Genotype and soil physicochemical properties were the main factors affecting the growth traits of , while genotype, climate and soil physicochemical properties were the main factors affecting the content of active components of . Microbial phospholipid fatty acid analysis showed that the biomass of Gram-positive and Gram-negative bacteria was affected by the genotypes of plants, while the biomass of arbuscular mycorrhizal fungi, fungi, Gram-positive and Gram-negative bacteria was affected by climate factors.

DISCUSSION

Based on the main results, DS993 was the most suitable genotype for in the five producing areas from the perspective of comprehensive growth traits and medicinal components, while DS993 and DS2000 were suitable for planting in Shandong province from the perspective of origin. DS996 is not suitable for all of the above production areas. These results are helpful to understand the ecological adaptability of different genotypes of resources, and to select appropriate S. miltiorrhiza genotypes for specific planting areas, so as to maximize yield and quality.