Crabgrass (Digitaria sanguinalis) allelochemicals that interfere with crop growth and the soil microbial community.

@article{Zhou2013CrabgrassS,
  title={Crabgrass (Digitaria sanguinalis) allelochemicals that interfere with crop growth and the soil microbial community.},
  author={Bin Zhou and Chui-Hua Kong and Yonghua Li and Peng Yu Wang and Xiao-hua Xu},
  journal={Journal of agricultural and food chemistry},
  year={2013},
  volume={61 22},
  pages={5310-7}
}
Three chemicals, veratric acid, maltol, and (−)-loliolide, were isolated from crabgrass and their structures were identified by spectroscopic analysis. The chemicals were detected in crabgrass root exudates and rhizosphere soils, and their concentrations ranged from 0.16 to 8.10 μg/g. At an approximate concentration determined in crabgrass root exudates, all chemicals significantly inhibited the growth of wheat, maize, and soybean and reduced soil microbial biomass carbon. Phospholipid fatty… CONTINUE READING
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