In cooperation with: Ministry of Agriculture, Forestry and Fisheries (MAFF) , The Phytopathological Society of Japan, The Japanese Society of Applied Entomology & Zoology Liaison Office in Japan, Food and Agriculture Organization (FAO) of the United Nations, Japan Forum on International Agricultural Research for Sustainable Development (J-FARD)
Japan International Research Center for Agricultural Sciences (JIRCAS) (Wed,) studied this question.