South Korea: Black spot disease spreads in Jeju's broccoli

Published 2024년 11월 22일

Tridge summary

Due to unusual weather conditions, farmers in the western part of Jeju are facing a threat from broccoli 'black spot disease'. The Rural Development Administration has noted that the average September-October temperature was 3.7 degrees Celsius higher than average, leading to increased humidity and heavy rainfall, optimum conditions for the disease to spread. The disease causes yellow-green spots on leaves, which turn gray-brown or dark brown, leading to reduced marketability and potential contamination with fire blight. Authorities recommend specific fungicide use and other control measures to contain the disease during the harvest season, from December to February.

Disclaimer:The above summary was generated by Tridge's proprietary AI model for informational purposes.

Original content

As concerns grow over the spread of broccoli ‘black spot disease’ in the western part of Jeju, farmers are being urged to take measures to control the disease. The Jeju Special Self-Governing Province Agricultural Research and Extension Services (Director Ko Sang-hwan) requested control measures in Aewol-eup and Hallim-eup, which are major winter vegetable production areas, due to concerns over the spread of broccoli black spot disease. According to the Rural Development Administration, the average temperature from September to October was 24.3 degrees Celsius, 3.7 degrees Celsius higher than the average year, and the number of rainy days was 30, with rain falling every other day. With heavy rainfall forecast until early December, concerns are growing that black spot disease will occur and spread. Black spot disease occurs in overly humid and densely planted fields, and small, yellow-green, water-soaked spots appear on the leaves at the beginning of the disease, and as the ...

Source: Agrinet