Reasons for choosing our testing services
ZHONGXI Testing has obtained inspection qualification certifications from multiple countries and regions worldwide. We possess a senior testing team and advanced testing methods, providing independent, impartial, and professional third-party verification services for global carbon projects.
Internationally recognized authority
Certified by multiple international standards such as CNAS, VCS, and GS, with reports universally applicable worldwide.
Global service capability
Covering 140+ countries and regions, it supports on-site detection and remote verification in multiple languages.
Professional experimental methods
Adopt standard experimental methods to ensure accurate and reliable data.
Comprehensive Plant Endophyte Growth-Promoting Effect Test Service
Welcome to our specialized plant endophyte growth-promoting effect testing service. We understand that you are searching for a reliable and high-resolution assessment of how endophytic microorganisms influence plant growth, development, and stress resilience. Our service is designed to provide you with not just routine assays, but a deep, multi-dimensional analysis that bridges microbial ecology, plant physiology, and molecular biology.
Why Choose Our Endophyte Growth-Promoting Test?
We go far beyond basic IAA production or phosphate solubilization screening. Our platform integrates high-throughput metabolomics, transcriptomics, and in situ colonization tracking to elucidate the precise mechanisms by which endophytes enhance host vigor. Whether you are working with agricultural crops, medicinal plants, or model species, we deliver quantitative insights into traits such as nitrogen fixation efficiency, siderophore secretion, ACC deaminase activity, phytohormone modulation, and induced systemic tolerance (IST) against biotic and abiotic stresses.
Our Advanced Analytical Capabilities
We achieve a depth of analysis that is rare in standard contract labs. For example, we employ synchrotron-based nano-XRF imaging to map nutrient translocation mediated by endophytes, and single-cell RNA-seq on root meristems to capture endophyte-driven transcriptional reprogramming. In greenhouse and field trials, we use automated phenotyping platforms to measure growth promotion parameters (biomass, root architecture, chlorophyll fluorescence, stomatal conductance) with high spatiotemporal resolution. Our endophyte–plant interaction models cover time-course experiments from germination to harvest, ensuring that transient or cumulative effects are not missed.
What We Can Test – And at What Level
We can evaluate any culturable or unculturable endophyte (bacteria, fungi, or mixed consortia) in dozens of plant species, including Arabidopsis, rice, maize, tomato, soybean, wheat, and medicinal herbs like Salvia miltiorrhiza. The level of service ranges from standard gnotobiotic seedling assays to full-scale field microplot trials with metagenomic follow-up. For mechanistic studies, we offer dual-RNA-seq (host + endophyte), proteomic profiling of root exudates, and CRISPR-based validation of candidate endophyte genes involved in growth promotion. We guarantee detection limits down to 0.01% changes in plant hormone levels and 1-ppm sensitivity for volatile organic compounds.
Our Unique Advantages in Endophyte Testing
1. Endophyte culture and preservation expertise: We maintain a proprietary collection of over 2,000 endophyte strains and use culturomics + long-read amplicon sequencing to recover even fastidious taxa. 2. Customized experimental designs: Our statisticians and plant physiologists work with you to design factorial trials that account for soil type, light regime, temperature, and microbial background. 3. Fast turnaround and transparent reporting: You receive interactive dashboards with raw data, statistical analyses (ANOVA, mixed models), and visualized growth curves, heatmaps, and network diagrams. 4. Regulatory support: If your goal is to develop endophyte-based biostimulants, our data packages are compliant with ISO 17025 and OECD guidelines for efficacy claims.
How We Deliver High-End Insights
When you contract with us, you are not just getting a "growth promotion index." You get a full mechanistic report that answers: Which endophyte traits drive the effect? Are they synergistic? Does the effect depend on plant genotype or soil phosphorus level? Is there a shift in rhizosphere or endosphere microbiota after inoculation? We also provide predictive modeling using random forest and neural networks to forecast endophyte performance under different environmental scenarios, saving you months of trial-and-error.
Ready to Unlock the Power of Your Endophytes?
Let our team of microbial ecologists, molecular biologists, and agronomists conduct the most rigorous growth-promotion test available. Contact us today to discuss your specific endophyte–plant system. We provide a free preliminary consultation, sample preservation kits, and a detailed quotation. With our service, you will understand not only whether your endophytes promote growth, but how, how much, and under which conditions they perform best.