Yao Hongjie, Tian Shiping, Wang Yousheng
Key Laboratory of Photosynthesis and Environmental Molecular Physiology, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China.
Int J Food Microbiol. 2004 Jun 15;93(3):297-304. doi: 10.1016/j.ijfoodmicro.2003.11.011.
The addition of 2% (w/v) sodium bicarbonate (SBC) in the suspensions of antagonistic yeast Cryptococcus laurentii or Trichosporon pullulans significantly limited spore germination and germ tube elongation of Penicillium expansum and Alternaria alternata in potato dextrose broth (PDB) medium. Biocontrol activity of C. laurentii or T. pullulans against postharvest decay caused by P. expansum and A. alternata in pear fruits was significantly increased when C. laurentii or T. pullulans combined with SBC. Combining C. laurentii or T. pullulans with SBC provided a more effective control on P. expansum and A. alternata than applying the antagonistic yeast or SBC alone. Effects of C. laurentii with and without SBC on controlling P. expansum and A. alternata were better than those of T. pullulans. C. laurentii in combination with SBC showed the best control of disease caused by A. alternata in pear fruits.
在拮抗酵母罗伦隐球酵母或茁芽短梗霉的悬浮液中添加2%（w/v）的碳酸氢钠（SBC），可显著抑制扩展青霉和链格孢在马铃薯葡萄糖肉汤（PDB）培养基中的孢子萌发和芽管伸长。当罗伦隐球酵母或茁芽短梗霉与SBC联合使用时，它们对梨果实中由扩展青霉和链格孢引起的采后腐烂的生物防治活性显著提高。将罗伦隐球酵母或茁芽短梗霉与SBC联合使用，对扩展青霉和链格孢的防治效果比单独使用拮抗酵母或SBC更有效。有SBC和无SBC时，罗伦隐球酵母对扩展青霉和链格孢的防治效果均优于茁芽短梗霉。罗伦隐球酵母与SBC联合使用对梨果实中由链格孢引起的病害防治效果最佳。
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