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中国生物防治学报 ›› 2016, Vol. 32 ›› Issue (6): 762-766.DOI: 10.16409/j.cnki.2095-039x.2016.06.013

• 研究论文 • 上一篇    下一篇

金龟子绿僵菌的藻胶颗粒剂型及其促进种群恢复作用

农向群1, 王广君1, 张雄鹏2, 刘迅1, 张泽华1   

  1. 1. 中国农业科学院植物保护研究所/植物病虫害生物学国家重点实验室, 北京 100193;
    2. 乌兰察布市凉城县农牧业局, 乌兰察布 013750
  • 收稿日期:2015-03-15 出版日期:2016-12-08 发布日期:2016-12-07
  • 通讯作者: 张泽华,研究员,E-mail:lgbcc@263.net
  • 作者简介:农向群,研究员,E-mail:xqnong@ippcaas.cn
  • 基金资助:
    国家自然科学基金(61661136004);农业科技成果转化(2013GB23260581);现代农业产业技术体系(CARS-35)

Alginate Granule Formulation Promotes Recovery of Metarhizium anisopliae Population

NONG Xiangqun1, WANG Guangjun1, ZHANG Xiongpeng2, LIU Xun1, ZHANG Zehua1   

  1. 1. State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China;
    2. Agricultural and Animal Husbandry Bureau for Liangcheng County of Ulunqab City, Ulanqab 013750, China
  • Received:2015-03-15 Online:2016-12-08 Published:2016-12-07

摘要: 为了保护绿僵菌的存活能力并促进其田间增殖,本试验研究了以海藻胶粒剂型化金龟子绿僵菌的成胶浓度、载体、促活组分、外膜等因素对绿僵菌的存活保护与增殖促进作用。结果确定了适合于金龟子绿僵菌与海藻酸钠、钙离子交联反应的最适条件为海藻酸钠2%、氯化钙0.2~0.3 mol/L;填充4%~10%凹凸棒土支撑颗粒内部胶网,有利于孢子存活和恢复生长;添加0.5%玉米粉或糊精作为促活剂,可使孢子增殖率提高60%;以1.5%海藻酸钠与3.5%聚乙烯醇联合形成的颗粒剂外膜对抵御外界微生物侵袭有一定作用。

关键词: 金龟子绿僵菌, 剂型化, 海藻酸钠, 颗粒剂, 种群恢复

Abstract: To ensure viability of Metarhizium anisopliae and promotion of their proliferation in field, the key factors of alginate granulation with the fungus, such as gel density, carriers, active components and out membrane were investigated. The optimal granulating conditions of cross linking reaction by sodium alginate and calcium were 2% sodium alginate and 0.2-0.3 mol/L calcium chloride. Padding with 4%-10% attapulgite inside the gel granules added to fungal survival and recovery. Adding 0.5% corn flour or dextrin as pro-live agent was conducive to the fungus restoration and increased conidiation by 60%. The out membrane around granule composed of 1.5% sodium alginate and 3.5% polyvinyl alcohol had a role to withstand the attacks from environmental microorganisms.

Key words: Metarhizium anisopliae, formulation, sodium alginate, granules, population recovery

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