Biological control of cyclamen soilborne diseases by Serratia marcescens strain B2

被引：73

作者：

Someya, N

Kataoka, N

Komagata, T

Hirayae, K

Hibi, T

Akutsu, K ^{[1
]}

机构：

[1] Ibaraki Univ, Fac Agr, Ami, Ibaraki 30003, Japan

[2] Univ Tokyo, Fac Agr, Bunkyo Ku, Tokyo 113, Japan

[3] Kyushu Natl Agr Expt Stn, Kumamoto 86111, Japan

[4] Ibaraki Hort Res Inst, Minori, Ibaraki 31902, Japan

[5] Ibaraki Univ, Fac Agr, Ami, Ibaraki 3000393, Japan

来源：

PLANT DISEASE | 2000年 / 84卷 / 03期

关键词：

antifungal low-molecular-weight compounds; chitinolytic enzymes; Fusarium oxysporum f. sp cyclaminis; Rhizoctonia solani;

D O I：

10.1094/PDIS.2000.84.3.334

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Cyclamen plants were treated with a highly chitinolytic bacterium, Serratia marcescens strain B2, and then challenge inoculated with Rhizoctonia solani sclerotia or Fusarium oxysporum f. sp. cyclaminis conidia. The bacterium suppressed these fungal diseases of cyclamen plants, especially the damping off caused by R. solani, in a greenhouse. Strain B2 survived at approximately 10(6) to 10(7) CFU/g in soil for 4 months after the initial application under greenhouse conditions. Chitinolytic enzymes and antifungal low-molecular-weight compounds were present in filtrates of S. marcescens B2, which suppressed germination of R. solani sclerotia in vitro.

引用

页码：334 / 340

页数：7

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