Spray Application of Nonpathogenic Fusaria onto Rice Flowers Controls Bakanae Disease (Caused by Fusarium fujikuroi) in the Next Plant Generation
Year: 2020
Type: article
Abstract: We demonstrated that a spray treatment of rice flowers with the spores of nonpathogenic fusaria mimicked the disease cycle of the seed-borne bakanae pathogen Fusarium fujikuroi and effectively suppressed the disease. Spray treatment of nonpathogenic fusaria reduced the degree of pathogen invasion of rice flowers and vertical transmission of the pathogen to the next plant generation via seeds, thereby controlling the bakanae disease. The most promising isolate, F. commune W5, colonized seeds and seedlings via treated flowers and successfully inhibited pathogen invasion, suggesting that competition with the pathogen was the mode of action. Seed-borne diseases are often controlled by seed treatment with chemical fungicides. Establishing an alternative method is a pressing issue from the perspectives of limiting fungicide resistance and increasing food security. This work provides a potential solution to these issues using a novel application technique to treat rice flowers with biocontrol agents.
DOI: 10.1128/aem.01959-20
Authors: Hiroki Saito, Mai Sasaki, Yoko Nonaka, Jun Tanaka, Tomomi Tokunaga, Akihiro Kato, Tran Thi Thu Thuy, Le Van Vang, Le Minh Tuong, Seiji Kanematsu, Tomotaka Suzuki, Kenichi Kurauchi, Naoko Fujita, Tohru Teraoka, Ken Komatsu, Tsutomu Arie
Institutions: Tokyo University of Agriculture and Technology, Can Tho University, National Agriculture and Food Research Organization, Tohoku Agricultural Research Center, Miyagi Prefectural Furukawa Agricultural Experiment Station, Aomori Prefectural Industrial Technology Center, Institute of Global Innovation Research (Tokyo University of Agriculture and Technology)
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: hybrid
Awards: G1704541362, フザリウム菌が有する植物病害防除能はアクセサリー染色体に支配されるか, A cradle of pandemic plant viruses: mechanisms underlying host jump from perennial weeds to agricultural crops., Elucidation of the evolution and function of the accessory chromosomes in ascomycete fungi and their application asnovel transformation vector, Novel method for biological control agent application to flowers to prevent seedborne plant diseases
OpenAlex ID: W3097803136