GROWTH-RESPONSE OF MARIGOLD (TAGETES-ERECTA L) TO INOCULATION WITH GLOMUS-MOSSEAE, TRICHODERMA-AUREOVIRIDE AND PYTHIUM-ULTIMUM IN A PEAT-PERLITE MIXTURE

被引:82
作者
CALVET, C [1 ]
PERA, J [1 ]
BAREA, JM [1 ]
机构
[1] CSIC,DEPT MICROBIOL,ESTAC EXPTL ZAIDIN,E-18008 GRANADA,SPAIN
关键词
GLOMUS-MOSSEAE; MICROBIAL INTERACTIONS; PYTHIUM-ULTIMUM; TAGETES-ERECTA; TRICHODERMA-AUREOVIRIDE; VA-MYCORRHIZAE;
D O I
10.1007/BF02185378
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
The interactions between the mycorrhizal fungus Glomus mosseae, the plant pathogen Pythium ultimum, and a pathogen-antagonist Trichoderma aureoviride in the rhizosphere of Tagetes erecta (marigold) were studied for their effects on plant growth in a peat-perlite substrate. Mycorrhizal fungus inoculation protected the plant against P. ultimum, since both phytomass production and foliar development were higher in mycorrhizal plants. T. aureoviride had no effect on nonmycorrhizal plants in the presence or absence of P. ultimum. However, more biomass was produced by mycorrhizal plants when T. aureoviride was present, whether or not soil was infested with P. ultimum.
引用
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页码:1 / 6
页数:6
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