Meanwhile,
Lug rye strikes crops french:
After having almost disappeared. Consequently, the lug of the rye, a potentially fatal fungus of which is derived from the LSD, returns in force this summer in the fields of wheat in French -speaking Switzerland. However, While the harvests continue, it arouses the fear of many producers.
In Colombier (Vaud). Consequently, the eg of the rye “posed quite problems”, testifies Nicolas Loeffel, agricultural entrepreneur, in the 19:30 of the RTS on Wednesday.
Seeing black grains in their harvests, farmers in the region had the same reaction: “What is it?”, Says Nicolas Loeffel. Therefore, “We went to find out.”
Return difficult to understand – Lug rye strikes crops french
Wet spring. However, weather conditions … The massive presence of the rye lug is difficult to understand. This fungus, Purpurea claviceps, can cause dementia, hallucinations, circulatory and necrosis disorders, in particular. The “Saint-Antoine fire”. “ardent evil” would have made tens of thousands of deaths in the Middle Ages, and it is probably at the origin of a mysterious series of food poisoning in France during the summer of 1951, known as the case of “cursed bread.”
At the origin of the LSD, the lug of the rye can also be dangerous for animals.
Loss of money
On the cereal side, it’s a headache. “If we have about three grains [contaminés] By kilo of wheat. the lot is downgraded in fodder, “explains Philippe Meylan, farmer in the canton of Geneva.
In this case, wheat is paid “about lug rye strikes crops french half the price,” he continues.
If wheat is also considered non -consumable even for animals, it is eliminated. “It is a total dry loss for the producer,” said Philippe Meylan.
The solution of the optical sorter
In Geneva, 10 to 15% of the production is affected by the lug. Optical sorters can be used to limit losses, but these machines are expensive and rare in French -speaking Switzerland. In Gy, the collector center has this technology.
Philippe Meylan explains its operation: “On each side. two cameras take photos of the wheat flow and detect the grains which are in the wrong color [grains noirs, ndlr]. “The bad grains are then ejected in another tank.” We manage to remove 95-99% of the ergot of the lots of wheat, “said the farmer.
This meticulous work takes several weeks and its cost has repercussions on producers. But for the time being, there are no other solutions to lug rye strikes crops french fight this problem.
The fungus may also be present in the coming years. Rotation of cultures. preventive mowing on the edges of fields: the Swiss Federation of Cereals has enacted several preventive measures to limit its spread.
Gianluca Agosta / Juma
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