Changes in the microbial population of apple leaves associated with the inhibition of the perfect stage of Venturia inequalis after urea treatment

@article{Crosse1968ChangesIT,
  title={Changes in the microbial population of apple leaves associated with the inhibition of the perfect stage of Venturia inequalis after urea treatment},
  author={J. Crosse and C. Garrett and R. Burchill},
  journal={Annals of Applied Biology},
  year={1968},
  volume={61},
  pages={203-216}
}
  • J. Crosse, C. Garrett, R. Burchill
  • Published 1968
  • Biology
  • Annals of Applied Biology
  • SUMMARY Treatment of detached apple leaves in October with urea induced a rapid and prolonged increase in the microbial populations present in the leaves during the winter. These effects were accompanied by a major shift in the population balance from a predominantly Gram-positive, chromogenic type of microflora to one dominated by Gram-negative and non-chromogenic organisms. Fluorescent pseudomonads became particularly numerous in the urea-treated leaves and many were found to suppress the… CONTINUE READING
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