SPOROGENESIS OF THE ENTOMOPATHOGENIC FUNGUS VERTICILLIUM-LECANII IN SOLID-STATE CULTURES

被引：5

作者：

GRAJEK, W

机构：

[1] Department of Biotechnology and Food Microbiology, Agricultural University, Poznan

来源：

FOLIA MICROBIOLOGICA | 1994年 / 39卷 / 01期

关键词：

D O I：

10.1007/BF02814525

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

The entomopathogenic fungus Verticillium lecanii was cultivated in different solid-state cultures using wheat bran, sugar-beet pulp, and mixtures of both. The optimum value of water activity for growth and sporogenesis was 0.990-0.995. The use of water for medium moistening was more efficient in supporting spore formation than the use of dilute Czapek-Dox mineral medium. The yield of spores (per 1 g of the medium dry matter) was 3.0 x 10(9), 1.6 x 10(9), and 3.2 x 10(9) in the wheat bran medium, sugar-beet medium, and mixed medium, respectively. Conidial germination in soil extract (80 x dilution) was independent of the spore origin and was about 43 %.

引用

页码：29 / 32

页数：4

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