Step 1
Order Your Testing Kit
Visit our online shop and select the testing service that matches your crop and needs. Choose from cannabis, grapevine, custom assays, or contact us for specialized testing.
How It Works
Getting started with plant virus testing is simple. From sample collection to actionable results, we guide you every step of the way.
Step 2
Collect Samples
Follow our detailed sample collection guide (included with your kit). Collect fresh leaf tissue or dormant cane samples according to the instructions. Proper sampling is key to accurate results.
Sample Size: 2-3 grams of fresh tissue per plant
Storage: Keep cool, ship within 24-48 hours
Labeling: Clearly label each sample with unique identifiers
Step 3
Ship to Our Lab
Package your samples securely and ship them to our facility using the prepaid shipping label (where applicable). We'll send you a confirmation email when your samples arrive.
Shipping Address:
Nexus Diagnostics, 9 Fabriek St, Franschhoek, Cape Town, 7690, South Africa
Business hours: Monday-Friday, 9am-5pm SAST
Step 4
We Test Your Samples
Our lab team extracts RNA/DNA from your samples and runs comprehensive qPCR analysis using advanced automation platforms. We test for all pathogens in your selected panel.
Technology: Quantitative PCR (qPCR) with proprietary assays
Turnaround: 5-8 working days (cannabis/hemp), up to 10 working days (other crops)
Quality Control: Every run includes positive/negative controls
Step 5
Receive Results & Take Action
Get detailed reports via email with clear pathogen detection results, interpretation guidance, and next-step recommendations. Our team is available for post-diagnostic support and consultation.
Report Format: PDF with full methodology and accreditation info
Support: Email or phone consultation included
Certification: Export documentation available upon request
Common Questions
How much does testing cost?
Pricing varies by crop and panel size. Visit our shop for current pricing or contact us for a custom quote.
How many samples should I submit?
For individual plant testing, one sample per plant. For field surveys, we recommend sampling 2-5% of your crop or following industry guidelines for your specific crop type.
How long does testing take?
Cannabis and hemp testing takes 5-8 working days. All other crops, including grapevine, take up to 10 working days. Contact us if you have an urgent situation.
Do you provide interpretation support?
Yes! Every report includes interpretation guidance, and our team is available for post-diagnostic consultation via email or phone.
Can I get export certification?
Absolutely. We provide accredited testing documentation suitable for phytosanitary certificates and export compliance.
Ready to Protect Your Crops?
Order your testing kit today and get results you can trust