The diversity of bacterial endophytes was investigated in D.officinale from 3different sources in China.The nested-PCR-DGGE results showed diversities in al
A large number of different viruses exist in environmental waters,but these viruses are difficult to detect due to the relatively low concentrations of them
A field trial was established to examine the effects of long term(7 years)nitrogen(N)and phosphorus(P)fertilization on the community structure of AMF both i