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About burn disease (kashobiyo)-For those who grow pears and apples

Last Updated October 2, 2023

About burnt disease

Bacillus is a disease of plants caused by bacteria. It is widely transmitted to subcutaneous plants such as pears and apples, causing serious damage.
Since it has not occurred in Japan, import of host plant branches and fruits from overseas, and we are strongly wary of intrusion.
There is no effective control method for burns, and when infected, the entire tree may die.
Pollination work with pollen infected with burns may cause infection.

Response to burns that occurred in China

It has been confirmed that burns have occurred in China, which had not been identified, and on August 30, 2023, imports of host plants (including pollen) of burn disease bacteria produced in China, was suspended.

Pollination work with pollen infected with burns may cause the disease to be transmitted. Early detection and early control of this bacterium are important to prevent burns from invading and spreading and causing serious damage to agriculture. If you are using Chinese pollen, please cooperate about the following points.

(1)Don't use Chinese pollen.
(2)About garden which may have used Chinese pollen, please cooperate with JA Yokohama Fruit Tree Department to investigate burnt disease.
(Producers who are not members of the JA Yokohama Fruit Tree Department should contact the Yokohama City Agriculture Promotion Division directly.)

The suspension of importing host plants with burn bacteria is not intended to prevent plants from being infected with burn bacteria, not for food hygiene.

Examples of symptoms caused by burnt disease

Flower rot, branch withering, withering, dead, etc. due to pathogens invading from vases and wounds. Symptoms like fire-burned symptoms
Specifically, please confirm homepage (outside site) of Ministry of Agriculture, Forestry and Fisheries.

Related information

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For inquiries to this page

Green Environment Bureau Agricultural Administration Department Agriculture Promotion Section

Phone: 045-671-2637

Phone: 045-671-2637

Fax: 045-664-4425

Email address: mk-nogyoshinko@city.yokohama.lg.jp

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Page ID: 934-223-499

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