Citrus canker and Huanglongbing (HLB) are citrus diseases that represent a serious threat to the citrus production worldwide and may cause large economic losses. In this work, we combined fluorescence imaging spectroscopy (FIS) and a machine learning technique to discriminate between these diseases and other ordinary citrus conditions that may be present at citrus orchards, such as citrus scab ...

The pitch canker fhgus, Fusarium circinatum (= F. SubgIutinans f sp. pini), causes several serious diseases of pines. The pathogen infects a variety of vegetative and reproductive pine structures at diierent stages of maturity and produces a diversity of symptoms. In addition to producing resinous cankers on the woody vegetative structures of its pine host, the causal fungus causes the mortalit...

canker symptoms similar to those produced by pseudomonas syringae pv. syringae were observed on peach (prunus persica) and nectarine (prunus persicae var. nusipersica) trees in several fruit tree growing areas in khorasan in 2011-2012.symptomatic stem tissues were thoroughly washed under running tap water, surface disinfestated with sodium hypochlorite (2 min. in 0.5 %, ai, hypochlorite), washe...