Understanding your SwiftDetect results

21 May 2021

Able to detect even low levels of crop disease in the latent period, by using SwiftDetect, wheat and barley growers can transform the way they manage and control diseases.

Using SwiftDetect is hassle free; simply order online, collect a sample of 10 leaves and post to Microgenetics to test. Leveraging a unique, patented process, SwiftDetect is not only highly sensitive, but also fast. In fact, users can expect results within just 1 business day*!

Whether you are considering using SwiftDetect or are awaiting results and want to know what to expect, read on to find out how you can use your SwiftDetect results.

How your results are displayed

Your results will be sent to you by email. If you have ordered multiple tests, there will be a separate email for each test, so make sure you know which of your Test IDs correspond to which field!

To get a full understanding as to what SwiftDetect finds, we’ll provide you with two key pieces of information: traffic lights and log genome equivalents.

Traffic lights

3Your traffic lights will provide you with an at-a-glance snapshot into the level of disease detected. There are four possible outcomes: blue indicates no disease has been detected; green is for low levels; amber is for medium levels; finally, red is for high levels.

SwiftDetect score

Although traffic lights provide an easy-to-understand way to present your results, the real detail is in your SwiftDetect score. This indicates the number of log genome equivalents.

A genome contains all the packets of information required to make an organism and to allow it to function. Packets of information are called genes. Every cell in a microorganism contains a genome. This is either in the form of DNA or RNA.

A sample that is measured using SwiftDetect comprises pathogen DNA purified from leaf material. A genome equivalent is the amount of pathogen DNA equivalent to the average pathogen genome.

In this context, one genome equivalent corresponds to one cell. In other words, the equivalent of one cell’s worth of DNA has been detected. SwiftDetect analysis results are reported as “log genome equivalents”. Logs (logarithms) are often used when reporting large numbers and denotes how many of one number we multiply to get another number.

For example, log10(2) = 100, means to get 100, 1 needs to be multiplied by 10, twice (1 x 10 x 10 = 100). This means when we report results as, for example, 2 log genome equivalents, the number of equivalent genomes detected was 100, i.e. 100 cells.

Therefore, when you look at your log genome equivalents, you are seeing a quantitative measure of the level of disease in your crop.


What does this mean for your disease management?

Your SwiftDetect results will help you to make an informed decision around your fungicide use. For example, if your results are blue, indicating no disease has been detected, you could decide to spray with a multisite and/or a preventative fungicide. Alternatively, you have a low to medium level, preventative and curative fungicides may be more suitable.

Being a single-cost test, you can repeat your SwiftDetect tests as often as you like. Through doing so, you’ll build a picture of how your disease levels change over time and can determine the effectiveness of any treatment.

It’s important to remember that your results are for guidance only and can be influenced by external factors such as weather, variety, and drilling date. Additionally, although we try to ensure results are as representative as possible by requesting 10 leaves in your sample, the level of disease across your field may vary. We therefore recommend that you always take advice from a BASIS qualified Agronomist.

We’re happy to help

If you have any further questions about your SwiftDetect results, get in touch! We’re always happy to help.

Want to find out what you can learn from your SwiftDetect results

* Results issued within one business day of receipt of samples. Excludes weekends.