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中国生物防治学报 ›› 2022, Vol. 38 ›› Issue (3): 636-644.DOI: 10.16409/j.cnki.2095-039x.2022.02.026

• 研究论文 • 上一篇    

简青霉CEF-818固体发酵工艺优化

蒲丹丹1, 李艳2, 赵丽红2, 张亚林2, 魏锋2, 冯鸿杰2, 朱荷琴2, 顾爱星1, 彭军1,2, 冯自力2   

  1. 1. 新疆农业大学农学院/棉花教育部工程研究中心, 乌鲁木齐 830052;
    2. 中国农业科学院棉花研究所/棉花生物学国家重点实验室, 安阳 455000
  • 收稿日期:2021-12-21 发布日期:2022-06-20
  • 通讯作者: 冯自力,副研究员,E-mail:fengzili@caas.cn;彭军,研究员,E-mail:jun_peng@126.com。
  • 作者简介:蒲丹丹,农业硕士,E-mail:Pdandan1213@163.com;李艳,农业硕士,E-mail:1915228682@qq.com
  • 基金资助:
    国家棉花产业技术体系(CARS-15-22);棉花生物学国家重点实验室自主课题(CB2021C12);中国农业科学院科技创新工程(CAAS-ASTIPCCRI)

Optimization of Solid-State Fermentation Process of Penicillium simplicissimum CEF-818

PU Dandan1, LI Yan2, ZHAO Lihong2, ZHANG Yalin2, WEI Feng2, FENG Hongjie2, ZHU Heqin2, GU Aixing1, PENG Jun1,2, FENG Zili2   

  1. 1. Engineering Research Centre of Cotton, Ministry of Education/College of Agriculture, Xinjiang Agricultural University, Urumqi 830052, China;
    2. State Key Laboratory of Cotton Biology/Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Anyang 455000, China
  • Received:2021-12-21 Published:2022-06-20

摘要: 简青霉Penicillium simplicissimum CEF-818发酵产物能够有效的防治由大丽轮枝菌Verticillium dahliae引起的棉花黄萎病,为获得简青霉CEF-818最佳的发酵条件,本研究采用单因素和正交试验方法对简青霉CEF-818固体发酵培养基的组成以及发酵条件进行了优化。结果表明,简青霉CEF-818固体发酵最适培养物为麦麸,其他添加物为葡萄糖、尿素和氯化钾,添加量按麦麸的质量比分别为2.5%、0.6%和0.6%(M/M),料水比为1:0.5,固体发酵最佳的培养条件为液体接种量为5%(V/M)、初始pH为7、物料厚度为2 cm、培养温度为28℃、培养时间为7 d。在此条件下,简青霉CEF-818的产孢量为8.28×109 CFU/g。

关键词: 生物防治, 简青霉, 固体发酵, 产孢量

Abstract: The fermentation product of Penicillium simplicissimum CEF-818 can effectively control cotton Verticillium wilt caused by Verticillium dahliae. In order to optimize fermentation conditions of P. simplicissimum CEF-818, the composition of solid fermentation medium and fermentation conditions of CEF-818 were screened by single factor and orthogonal test. The results showed that the optimum culture for solid fermentation of P. simplicissimum CEF-818 was wheat bran, and addition of 2.5% glucose (M/M), 0.6% urea (M/M) and 0.6% potassium chloride (M/M), with the initial pH value of 7.0, the ratio of material to water 1:0.5, the liquid inoculums level of 5% (V/M), the material thickness of 2 cm and at 28℃ for 7 days. Under this optimal medium and fermentation process, the sporulation could reach to 8.28×109 CFU/g for P. simplicissimum CEF-818.

Key words: biocontrol, Penicillium simplicissimum, solid fermentation, sporulation

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