EPPO Global Database

Peronosclerospora sacchari(PRSCSA)

Distribution details in Japan

Situation
Current pest situation evaluated by EPPO on the basis of information dated 2021: Absent, invalid record
From CABI Disease map 021 (1986): Present, no details
Comments
The original sources of this record are unclear and can no longer be fully traced. The NPPO of Japan confirmed that recent evidence have shown that the disease is absent from Japan.
References
* CABI distribution map (1993).

* NPPO of Japan (2021), via correspondance to CABI.
------- Absence confirmed.

* Pupipat U (1975) Host range, geographic distribution and physiologic races of the maize downy mildews. Proceedings of a Symposium on downy mildew of maize (Tokyo, JP, 1974-09-). Tropical Agriculture Research Series 8, 63-80.
------- Listed as present on the basis of a personal communication (so no longer traceable).

* USDA (1986) Pests not known to occur in the United States or of limited distribution. No. 78. Sugarcane downy mildew, Peronosclerospora sacchari. USDA APHIS-PPQ, Beltsville, USA.
------- Japan is included in the distribution but with a note saying that 'T. Hino in Pupipat (1975) claims it is absent from Japan'.