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Enhancing bioefficacy of Bacillus subtilis with sodium bicarbonate for the control of ring rot in pear during storage

文献类型: 外文期刊

作者: Liu, Youzhou 1 ; Chen, Zhiyi 2 ; Liu, Yongfeng 2 ; Wang, Xiaoyu 2 ; Luo, Chuping 2 ; Nie, Yafeng 2 ; Wang, Kerong 1 ;

作者机构: 1.Nanjing Agr Univ, Coll Plant Protect, Dept Plant Pathol, Nanjing 210095, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Plant Protect, Nanjing 210014, Peoples R China

关键词: Botryosphaeria berengeriana;Pear ring rot;Biocontrol;Sodium bicarbonate;Combination

期刊名称:BIOLOGICAL CONTROL ( 影响因子:3.687; 五年影响因子:3.962 )

ISSN: 1049-9644

年卷期: 2011 年 57 卷 2 期

页码:

收录情况: SCI

摘要: Pear ring rot caused by Botryosphaeria berengeriana is a common disease throughout pear-growing areas. The use of biocontrol agents to control the disease can potentially reduce the negative effects of chemical fungicides on fruit and on the environment. Here, we evaluated the preventative (before pathogen inoculation) and curative (after pathogen inoculation) effects of biocontrol agents (BA) with sodium bicarbonate (SBC) against B. berengeriana alone or in combination on plates and on fruit. The order of treatments applied in the combinations, and two different doses were also evaluated. The inhibition rates were 42.30%, 75.77-85.41%, and 83.00-90.23% in vitro with 2% SBC (w/v), BA (strains 11, 28, 2 and sf 628), and combination treatments, respectively. On fruit, the curative inhibition rates were 23.83%, 12.79%, 71.09%, 48.16%, 74.57%, and 57.90% when treated with BA 11 (30 mL), SBC (30 mL), BA 11 (15 mL) + SBC (15 mL), SBC (15 mL) + BA 11 (15 mL), BA 11 (30 mL) + SBC (30 mL), and SBC (30 mL) + BA 11 (30 mL), respectively; the preventative inhibition rates were 28.72%, 17.31%, 78.25%, 51.06%, 80.91%, and 61.50%, respectively. Combinations were superior to individual treatments and significantly better with SBC following BA than vice versa. Therefore, the proper combination of SBC with BA can be developed as a promising approach against pear ring rot during storage. (C) 2011 Published by Elsevier Inc.

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