BIOs application altered microbial community structure as
revealed by plate count method (Tables 1 and 2). Borrero et al.
(2004) reported that microbial activity in soil plays an important role in suppressing tomato fusarium wilt.Sturz and Christie
(2003) confirmed that an optimum microbial community can
promote soil defence capability.Dommergues (1978)classified rhizosphere microorganisms into beneficial, harmful, or ineffective
groups based on their actions on plant growth. Many strains of
bacteria and actinomycota can cause plant disease but more damages are caused by fungi (Brussaard et al., 2007). Some bacteria
have the potential for pathogen suppression (Boulter et al., 2002).
In the present study, the populations of bacteria and actinomycota in both the rhizosphere and the rhizoplane soils dramatically
increased after nursery application of BIOs as compared to control.
Conversely, fungal populations in both the rhizoplane and the rhizosphere soil were markedly lower after treatments with BIOs than
in control soil (Tables 1 and 2). Bacterial densities in the rhizoplane
soil of treatments BIOIn + BIOIIp and BIOIIn + BIOIIp were dramatically higher than those of BIOIn + CKp and BIOIIn + CKp. The present
results demonstrate that BIOs treatments can alter microbial community structure.Boulter et al. (2002)also reported that higher
numbers of microorganisms in compost can improve plant health
BIOs application altered microbial community structure as
revealed by plate count method (Tables 1 and 2). Borrero et al.
(2004) reported that microbial activity in soil plays an important role in suppressing tomato fusarium wilt.Sturz and Christie
(2003) confirmed that an optimum microbial community can
promote soil defence capability.Dommergues (1978)classified rhizosphere microorganisms into beneficial, harmful, or ineffective
groups based on their actions on plant growth. Many strains of
bacteria and actinomycota can cause plant disease but more damages are caused by fungi (Brussaard et al., 2007). Some bacteria
have the potential for pathogen suppression (Boulter et al., 2002).
In the present study, the populations of bacteria and actinomycota in both the rhizosphere and the rhizoplane soils dramatically
increased after nursery application of BIOs as compared to control.
Conversely, fungal populations in both the rhizoplane and the rhizosphere soil were markedly lower after treatments with BIOs than
in control soil (Tables 1 and 2). Bacterial densities in the rhizoplane
soil of treatments BIOIn + BIOIIp and BIOIIn + BIOIIp were dramatically higher than those of BIOIn + CKp and BIOIIn + CKp. The present
results demonstrate that BIOs treatments can alter microbial community structure.Boulter et al. (2002)also reported that higher
numbers of microorganisms in compost can improve plant health
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