不同温度、保湿时间对西兰花主要采后病害发生的影响
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摘要
为了解西兰花采后病害发生的影响因素,选取温度和湿度2个重要的环境因子,探究在不同温度和保湿时间条件下,病原菌对西兰花的侵染能力。结果表明,在低温5℃和10℃条件下,保湿0～72 h内,西兰花接种致病菌株后均未发病。建议在西兰花贮藏运输过程中,保持低温,并采取保湿措施,能起到显著的保鲜效果,并抑制病害发生。
In order to understand the influencing factors of broccoli post-harvest diseases, two important environmental factors, temperature and humidity were selected, and the infection ability of pathogenic bacteria to broccoli in the condition of different temperatures and moisturizing times were studied. The results showed that, moisturizing within72 hours, no disease occurred after inoculating pathogenic strains on broccoli at low temperature of 5℃ and 10℃. It is suggested that keeping low temperature and taking moisturizing measures during storage and transportation of broccoli could play a significant role in preserving freshness and inhibiting the occurrence of diseases.
In order to understand the influencing factors of broccoli post-harvest diseases, two important environmental factors, temperature and humidity were selected, and the infection ability of pathogenic bacteria to broccoli in the condition of different temperatures and moisturizing times were studied. The results showed that, moisturizing within72 hours, no disease occurred after inoculating pathogenic strains on broccoli at low temperature of 5℃ and 10℃. It is suggested that keeping low temperature and taking moisturizing measures during storage and transportation of broccoli could play a significant role in preserving freshness and inhibiting the occurrence of diseases.
引文
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[2]刘毅.西兰花采后黑斑病的鉴定以及致病机理的研究[D].上海:华东师范大学,2009.
[3]刁小琴,关海宁,刘春龙,等.西兰花贮期黑斑病病原菌鉴定及防治技术研究[J].食品工业,2012(4):104-106.
[4]茹水江,方丽,任海英,等.贮藏温度及热处理对西兰花贮藏期病害发生的影响[J].浙江农业科学,2010(2):343-346.
[5] Serrano M, Martinez-Romero D, Guillén F,et al. Maintenance of broccoli quality and functional properties during cold storage as affected by modified atmosphere packaging[J]. Postharvest Biology and Technology,2006, 39(1):61-68.
[6]郭香凤,向进乐,李秀珍,等.贮藏温度对西兰花净菜品质的影响[J].农业机械学报,2008,39(2):201-204.
[7] Xu C J, Guo D P, Yuan J, et al. Changes in glucoraphanin content and quinone reductase activity in broccoli(Brassica oleracea var. italica)florets during cooling and controlled atmosphere storage[J].Postharvest Biology and Technology, 2006,42(2):176-184.
[8]陈慧.马铃薯枯萎病病原菌鉴定及Fusarium oxysporum遗传多样性的研究[D].呼和浩特:内蒙古农业大学,2015.