ISTA Reference Pest List - version 7 (2021-02)
A list of seed-borne and seed transmitted pathogens associated with seed of Alfafa, Barley, Cotton, Oat, Sorghum, Soybean, Sunflower, Rapeseed, Rice, Triticale and Wheat.
Check the website for the description of the list https://www.seedtest.org/en/ista-reference-pest-list-_content---1--3477.html
Organisms included in the lists
- The ISTA Reference Pest List includes bacteria, fungi, oomycetes, virus and nematodes pathogenic to seed crops.
- Pests without a scientific evidence that they are seed-borne are not included in the ISTA Reference Pest List. They could be included once evidence will be proven.
- Some saprotrophs are also included when scientific literature illustrates their seed-borne status, but for those organisms, the final decision about seed as a pathway of dissemination is not applicable (N/A), as they do not induce diseases.
- In case of emerging pests, they could be included in the lists as soon as they are suspected to be at risk for seed trade, even if their seed-borne, and eventually seed-transmitted status is not fully stated. In these cases, literature survey will be conducted to share the most up-to-date knowledge and it will be indicated in the lists (pest categorization under investigation).
No evidence list (new)
- This list contains pests that were included in the last version of the Annotated list of seed-borne diseases (4th ed.; 1990), but that lack evidence of seed-borne status in the scientific literature. These pests will be regularly checked for information on their abilitiy to be seedborne.
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