Bulb fire found in three new municipalities of Norway in 2021

Published Sep 30, 2021

Tridge summary

The Norwegian Food Safety Authority has reported a case of pear fire, a serious disease for apple and pear cultivation, in winter medlar in a plant sphere. Despite hot and long summer conditions, the authority has not received reports of the disease in orchards this year. They have conducted mapping and preventive clearing of host plants through a collaboration with Nibio. The authority has also imposed strict regulations on imported plant material to prevent the disease. However, an inspection revealed that many importers lack knowledge about plant health and reception control requirements.

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Original content

- We will follow the situation in the area in the future. This year we have not received reports of pear fire infection in orchards, but pear fire has been detected in winter medlar in a plant sphere, writes Brita Toppe, senior adviser at the Norwegian Food Safety Authority, in an e-mail to Bondebladet. On a worldwide basis, pear fire is one of the most serious diseases in apple and pear cultivation. The plants are attacked through flowers, leaves, young shoots and fresh wounds in the bark of branches and trunks. Flowers and shoots can wither very quickly, under favorable conditions over the course of a week. The bark of branches and trunk is killed, so that the plant dies, writes Nibio. - It has been a hot and long summer in many places. How does it affect the development and spread of the dangerous disease? - There are three things that affect the spread of bulb fire infection: the amount of infection, temperature and precipitation (moisture). This year we have had it hot, but ...

Source: Bondebladet