Synergism of hydrogen fluoride and leaf necrosis on freesias

  • H. G. Wolting
  • Published 2007 in Netherlands Journal of Plant Pathology

Abstract

Continuous fumigation with HF at a concentration of 0.5 µg/m3 and intermittent fumigation with 0.3 µg/m3 aggravated leaf necrosis in freesia. In the cultivars Rose Marie and Royal Blue, symptoms of leaf necrosis develop earlier and increase in severety with these concentrations of HF. The agent of this disease has not yet been identified nor isolated. The… (More)
DOI: 10.1007/BF02650333

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