Table 6. Frequency of resistant isolates to MBI-Ds in each plot in Saga in 2008 and 2009a).
Products for blast control | % of resistantc)(No. of tested isolatesd)) | |||
---|---|---|---|---|
Nursery boxb) | 1st foliar applicationb) | 2nd foliar applicationb) | 2008 | 2009 |
Tricyclazole | Ferimzone+diclocymet | Ferimzone+diclocymet | 0 (31) | 0 (30) |
Tricyclazole | Ferimzone+diclocymet | Ferimzone+tricyclazole | 0 (40) | 0 (30) |
Tricyclazole | Ferimzone+tricyclazole | Ferimzone+tricyclazole | 0 (37) | 0 (30) |
Tricyclazole | None | None | 2.7 (37) | not tested |
None | Ferimzone+diclocymet | Ferimzone+diclocymet | 5.9 (34) | not tested |
None | Ferimzone+diclocymet | Ferimzone+tricyclazole | 0 (39) | not tested |
None | Ferimzone+tricyclazole | Ferimzone+tricyclazole | 0 (38) | not tested |
None | None | None | 2.2 (45) | 0 (30) |
a)Application date: June 17 (planting), August 21 and 28 in 2008; and June 18 (planting), August 20 and 30 in 2009. Sampling date: September 21 in 2008 and September 16 in 2009. b) Type of application. c) Sensitivities were analyzed by primer-introduced restriction enzyme analysis-based PCR. d) P. oryzae isolates were isolated from panicle blast.