温度、保湿时间及菌龄对扩展青霉 H1侵染柑橘能力的影响

doi:10.3969/j.issn.1673-1689.2020.05.006

首页 > 过刊浏览>2020年第39卷第5期 >38-42. DOI:10.3969/j.issn.1673-1689.2020.05.006

温度、保湿时间及菌龄对扩展青霉 H1侵染柑橘能力的影响
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                        10.3969/j.issn.1673-1689.2020.05.006
                    
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Effects of Different Temperatures,Wetness Duration and Fungus Age on Penicillium expansum H1 Infection of Citrus

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摘要:

近年来，由扩展青霉（Penicillium expansum）引起的柑橘病害日益严重，目前对于柑橘采后病原菌侵染的研究主要以指状青霉（P.digitatum）和意大利青霉（i>P.italicum）为主，而对（P.expansum）侵染柑橘条件的研究还未见相关文献报道。作者以实验室前期筛选鉴定的P. expansum H1为研究对象，研究了不同温度、保湿时间和菌龄对P.expansum H1侵染柑橘的影响，结果表明，P.expansum H1在25 ℃时潜育期最短，侵染能力最强，4 ℃时P.expansum H1侵染能力受到抑制；保湿时间越长，越有利于P.expansum H1侵染柑橘；菌龄也会影响）P.expansum） H1侵染柑橘，不同菌龄的P.expansum H1侵染能力高低排序为：培养7 d>培养11 d>培养15 d>培养9 d>培养3 d。

Abstract:

Citrus disease caused by Penicillium expansum has become increasingly serious, which is responsible for economic loss to citrus producing areas. The research on the infection of citrus with postharvest pathogens was mainly focused on P.ditalicum and P.italicum, whereas the studies on the conditions of P.ditalicum infecting citrus have not been reported. In this study, the effects of different temperatures, wetness duration and fungus age on P.ditalicum H1 infection of citrus were investigated. The results showed that P.ditalicum H1 had the shortest incubation period and the strongest infectivity at 25 ℃, while at 4 ℃ the infectivity was inhibited. Longer wetness duration was beneficial to P.ditalicum H1 infection. The fungus age also affected the infection of citrus with P.ditalicum H1 with the order of infectivity: cultured for 7 d>11 d>15 d>9 d>3 d.

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赵利娜,李慧芳,张晓云,张红印.温度、保湿时间及菌龄对扩展青霉 H1侵染柑橘能力的影响[J].食品与生物技术学报,2020,39(5):38-42.

ZHAO Lina, LI Huifang, ZHANG Xiaoyun, ZHANG Hongyin. Effects of Different Temperatures, Wetness Duration and Fungus Age on Penicillium expansum H1 Infection of Citrus[J]. Journal of Food Science and Biotechnology,2020,39(5):38-42.

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在线发布日期: 2020-06-19
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