Welcome to
CRI Diagnostic Center
CRI Diagnostic Center

Citrus Research International’s Diagnostic Centre in Nelspruit offers a broad range of diagnostic and technical services for the citrus industry. Our services include soilborne disease analysis, graft transmissible disease diagnosis, citrus black spot identification, and more.

Analysis Form
Jump down to our online application form or download the PDF version.

Price List
Click to scroll down and view our pricing online or dowload the latest price list

Learn how To
Click to scroll down and learn more about completing a Request for Analysis form or taking samples.
How to Videos
Watch some of our videos on how to take samples for lab testing.
In order for CRI’s Diagnostic Centre to be able to do loss of sensitivity testing for postharvest fungicides, a swab must be taken of the decay. This video demonstrates how to swab green mold on a fruit; how to swab a surface; and how to correctly package and send in the sample.
SOILBORNE DISEASES – How to collect soil and root sample for nematode and Phytophthora analysis. It is always good management practice to: Regularly (every 3 years), determine the soil pathogen (Phytophthora and nematode) status in orchards older than 3 years of age – routine 3-year management practice When planning to replant or do top work in orchards, prior to removing the irrigation or cutting down the scion, collect soil and root samples for analysis.
APPLICATION FORM
Choose the application method that suits you best. Opt for our streamlined online DC application process, or download the latest form to complete at your own pace and email back to us.
Online Application Form
Experience convenience with our online application form. Fill out the form below to submit your samples for testing. Upon submission, we’ll be notified and eagerly await your samples at our lab.
Download and complete the original application form
If you arent comfortable with the online application, you can download the original PDF version and complete it by hand. This follows the current and original method.

Pricelist
Our Price List
Explore our comprehensive price list to understand the cost of our services. This detailed guide will help you plan your budget effectively. Remember, investing in quality diagnostics is a step towards healthier, more productive crops.
How It Works
Learn More About Taking Samples
Navigate the process of sample collection and submission with ease. This section provides step-by-step guides on completing the Request for Analysis forms, collecting soil, water, and leaf samples, and the best practices for sending them in. Empower yourself with the knowledge to ensure accurate and efficient testing.



1. Cultivate
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
2. Harvest
Mauris tincidunt dui ac mi vestibulum, a malesuada urna eleifend. Aliquam erat volutpat.
3. Deliver
Donec ac ultrices velit. Phasellus facilisis nunc sit amet aliquam elementum. Cras nec molestie justo.
Some advice
Frequently Asked Questions
Here are some answers to regular questions
How to send in a sample
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.
Short descriptions of all the analyses that we provide
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.
Expected processing time for different analyses
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry’s standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.
Stay In Contact with DC!
Reach out to us for any queries, concerns, or feedback. Our dedicated team is ready to assist you. Whether you need help with the application process, have questions about sample collection, or want to discuss our services, we’re just a message away. Let’s connect and make your citrus growing journey a success.
Address
CRI-Diagnostic Centre
P O Box 28
Nelspruit, 1200
Phone
+27 (0) 13 759 8000