The Abundance and Diversity of Soil Fungi in Continuously Monocropped Chrysanthemum

A. Song,Shuang Zhao,Si-Min Chen,Jiafu Jiang,Sumei Chen,Hui-yun Li,Yu Chen,X. Chen,W. Fang,Fadi Chen

Published 2013 in TheScientificWorldJournal

ABSTRACT

Chrysanthemum is an important ornamental plant which is increasingly being monocropped. Monocropping is known to affect both fungal abundance and species diversity. Here, quantitative PCR allied with DGGE analysis was used to show that fungi were more abundant in the rhizosphere than in the bulk soil and that the fungal populations changed during the growth cycle of the chrysanthemum. The majority of amplified fragments appeared to derive from Fusarium species, and F. oxysporum and F. solani proved to be the major pathogenic species which are built up by monocropping.

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