ISTA Proficiency Tests
Prior to Accreditation, applicants must demonstrate their ability to test seeds in accordance with the ISTA Rules by participating in the Proficiency Test Programme.
We use cookies to provide our visitors with an optimal website experience, for statistical and marketing purposes, as well as for integrating external content. In connection with the use of these technologies, information is stored and/or retrieved on your device. For the aforementioned purposes, personal data (such as IP addresses, cookie IDs) may be processed and partially transmitted to third-party providers (e.g. Google). By clicking "Accept All," you consent to the processing to the extent and for the purposes described. You can adjust your settings at any time subsequently.
Read moreNecessary cookies help make a website usable by enabling basic functions like page navigation and access to secure areas of the website. The website cannot function properly without these cookies.
| Origin | Cookie | Type | Description | Expiration |
| www.seedtest.org | JSESSIONID | HTTP | General platform session cookie used by websites written in JSP. Usually used to maintain an anonymous user session by the server. | Session |
| YouTube | VISITOR_PRIVACY_METADATA | HTTP | This cookie is used to store the user's consent and privacy choices for their interaction with the site. It records data on the visitor's consent regarding various privacy policies and settings, ensuring that their preferences are honored in future sessions. | 6 months |
Preference cookies allow a website to remember information that affects the way a website behaves or looks, such as your preferred language or the region you are in.
| Origin | Cookie | Type | Description | Expiration |
| YouTube | YSC | HTTP | This cookie is set by YouTube to track views of embedded videos. | Session |
| YouTube | VISITOR_INFO1_LIVE | HTTP | This cookie is set by Youtube to keep track of user preferences for Youtube videos embedded in sites;it can also determine whether the website visitor is using the new or old version of the Youtube interface. | 6 months |
| YouTube | __Secure-ROLLOUT_TOKEN | HTTP | This Cookie is likely a security token used in web applications to manage or track the deployment of features or changes in a controlled manner. It may be involved in feature rollouts, ensuring that only authorized users or sessions receive access to new features or updates. The "Secure" part indicates that the token is intended for secure communication, possibly encrypted or signed for verification. | 6 months |
Statistical cookies help website owners understand how visitors interact with websites by collecting and reporting information anonymously.
| Origin | Cookie | Type | Description | Expiration |
| _ga | HTTP | Registers a unique ID that is used to generate statistical data on how the visitor uses the website. | 2 years | |
| _ga_# | HTTP | Collects data on how often a user has visited a website, as well as data for the first and last visit. Used by Google Analytics. | 2 years |
Marketing cookies are used to track visitors across websites. The intention is to display ads that are relevant and engaging for the individual user and thereby more valuable for publishers and third-party advertisers.
| Origin | Cookie | Type | Description | Expiration |
| _utma | HTTP | This is one of the four main cookies set by Google Analytics, used to track visitor behavior and measure site performance. It distinguishes between users and sessions to calculate new and returning visitor statistics. | 13 months | |
| _utmb | HTTP | This is one of the four main cookies set by the Google Analytics service which enables website owners to track visitor behaviour and measure site performance. | 30 minutes | |
| _utmc | HTTP | This is one of the four main cookies set by the Google Analytics service which enables website owners to track visitor behaviour and measure site performance. | Session | |
| _utmz | HTTP | This is one of the four main cookies set by the Google Analytics service which enables website owners to track visitor behaviour measure of site performance. This cookie identifies the source of traffic to the site - so Google Analytics can tell site owners where visitors came from when arriving on the site. | 6 months |