Abstract Under greenhouse condition,this paper studied the bio-control efficiency of NBIN863 strain on
tomato root knot nematodes and its growth promotion effect and colonization ability on tomato. The result showed
that the bio-control efficiency of NBIN863 strain on tomato root knot nematode was up to 54.48%. Compared with
the blank control,the plant height,root length and total fresh weight were increased by 49.10%,43.69% and
52.50%,respectively. We found that NBIN863 strain could stably colonize in rhizophere at the concentration of
8.37×105cfu·g-1 on the 30th day after inoculation.
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