@misc{indiciae18ee83b64915,
  title = {Crop protection: why and how.},
  author = {J C Zadoks},
  year = {1993},
  doi = {10.1002/9780470514474.ch4},
  url = {https://pubmed.ncbi.nlm.nih.gov/8149828/},
  note = {Source identifier: 8149828}
}