Effects of Temperature and Wetness Duration on Infection of Oilseed Rape Leaves by Ascospores of Leptosphaeria maculans (Stem Canker)

@article{Biddulph1999EffectsOT,
  title={Effects of Temperature and Wetness Duration on Infection of Oilseed Rape Leaves by Ascospores of Leptosphaeria maculans (Stem Canker)},
  author={J. E. Biddulph and B.D.L. Fitt and Priestley Leech and Sue J. Welham and Peter Gladders},
  journal={European Journal of Plant Pathology},
  year={1999},
  volume={105},
  pages={769-781}
}
In controlled environment experiments, ascospores of Leptosphaeria maculans (stem canker) infected oilseed rape (cv. Nickel) leaves and caused phoma leaf spots at temperatures from 8°C to 24°C and leaf wetness durations from 8 h to 72 h. The conditions that produced the greatest numbers of leaf spot lesions were a leaf wetness duration of 48 h at 20°C; numbers of lesions decreased with decreasing leaf wetness duration and increasing or decreasing temperature. At 20°C with 48 h of leaf wetness… CONTINUE READING

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