Integrated control of Colletotrichum gloeosporioides on mango fruit in Taiwan by the combination of Bacillus subtilis and fruit bagging
2007
Senghor, A.L. | Liang, W.J. | Ho, W.C.
Anthracnose disease caused by Colletotrichum gloeosporioides in Jingkwang mango grown in Taiwan was significantly reduced by the integration of fruit bagging with either B. subtilis strain LB5 or fungicides. The combined treatments were most effective in reducing early infection during the 2004 season, leading to 56.4 and 58.3% reduction, respectively, while in 2003 reduction accounted for 51 and 52.3%, respectively. Post-harvest application of B. subtilis strain LB5 cell suspensions on fruits already treated by bagging, bagging+LB5 and bagging+fungicides in the field reduced anthracnose incidence significantly at all tested concentrations. These results indicate that biocontrol efficacy of B. subtilis LB5 may be due to the prevention of early fruit infection, thereby reducing significantly anthracnose incidence in ripening fruits to much lower levels than those obtained by using a conventional single post-harvest treatment.
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