Studies on the identification and ecology of the causal fungi of Japanese pear dwarf
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Japanese pear dwarf is characterized by delayed sprouting and foliation in early spring and by rugose leaves with marginal necroses. The pathogen of the disease was unknown for a long time, although this disease was listed as Japanese pear dwarf in the Common Names of Plant Disease in Japan.
Induction of typical symptoms of Japanese pear dwarf after inoculation and pathogen identification.
For conclusively proving the causal agent, symptoms must develop after inoculations with pathogen candidates, which are then reisolated and identified. A few wood-decay fungi including Fomitiporiaspecies have mainly been isolated from decayed...
I am deeply grateful to Dr. Hitoshi Nakamura at the Institute of Fruit Tree and Tea Science, NARO; Dr. Fumitoshi Yasuda at Tottori Prefecuture Department of Agriculture, Forestry and Fishery; Masato Tsuji of the Tokushima Plant Protection Association; Adusa Shiota, Hiroshi Fukuda, Dr. Maho Takahashi at the Chiba Prefectural Agriculture and Forestry Research Center; and Takeshi Suzuki and Tatsuya Suzuki at Chiba Prefecture Department of Agriculture, Forestry and Fishery. I also convey my appreciation for the support and encouragement of many other reseachers.
Compliance with ethical standards
Conflict of interest
The author has no conflicts of interest to declare.
This article does not contain any studies with human participants or animals performed by the author.