Table 4 Previous reports of screening cultivars and breeding lines for resistance to bacterial grain rot (BGR)
Year | Countrya | Resistant cultivars and breeding lines | Number of screened cultivars or lines | Evaluation method | Reference(s) |
|---|---|---|---|---|---|
1975 | Japan | Fukumasari, Tachikaze, Kinmaze | 9 | Field evaluation (inoculation at flowering stage) | Goto and Watanabe (1975) |
1983 | Japan | (Resistance levels differed among the materials, although no highly resistant cultivars/lines were found.) | 293 | Greenhouse evaluation (inoculation at flowering stage) | |
1985 | Japan | (No source of complete resistance was identified.) | 11 | Field evaluation (inoculation at flowering stage) | Mogi and Tsushima (1985) |
1986 | Japan | (Saikai169 identified as a susceptilble line) | 6 | Field evaluation (inoculation at flowering stage) | Imbe et al. (1986) |
1987 | Japan | Nihonmasari, Koganebare, Mineasahi, Toyotama, Nishihomare, Kougyoku | 20 | Field observation without artificial inoculation over 7Â years | Yokoyama and Okuhara (1987) |
1987 | China | KaohsiungS.7 | 21 | Field evaluation (inoculation before flowering stage) | Chien and Chang (1987) |
1988 | Japan | (Resistance levels differed between cultivars, although no highly resistant cultivars were found.) | 427 | Field evaluation (inoculation at flowering stage) | Takita et al. (1988) |
1988 | Brazil | Limeira, Iguape Redondo | 19 | Field Evaluation (inoculation of bacterial suspension into boots by syringe) | Prabhu and Bedendo (1988) |
1989 | Japan | O. meridionalis, O. stapfii, O. australiensis, O. officinalis, O. grandiglumis, O. glaberrima (OG-2), O. rufipogon, O. longistaminata, O. punctata, O. alta | 14 | Evaluation of wild rice accessions in greenhouse (inoculation at flowering stage) | Tsushima et al. (1989) |
1989 | Japan | Akuranboda, Col 155 | 22 | Field evaluation (inoculation at flowering stage) and cut-panicle inoculation | Miyagawa and Kimura (1989) |
1994 | Japan | Resistant Japanese cultivars: Sasanishiki, Kokuryoumiyako, Benisengoku, Jukkoku, Mizuho, Kogyoku | 129 | Field Evaluation (inoculation of bacterial suspension into boots by syringe) | Wasano and Okuda (1994) |
| Â | Â | Resistant non-Japanese cultivars: Palkeng, Century Patna, Belle Patna 9433, Hybrid Pearl, Blue Bonnet 50, RD-23 | Â | Â | Â |
2002 | Japan | Chikushi52, Chikushi41, Tsukushiwase | 85 | Field observation without artificial inoculation over 3Â years | Yasunaga et al. (2002) |
2007 | USA | Jupiter | 5 | Field evaluation (inoculation at flowering stage) | Nandakumar et al. (2007a) |
2007 | USA | LM-1, LMT-1 | (2)b | Field evaluation (inoculation at flowering stage) | Groth et al. (2007) |
2013 | Japan | Kele, Kasalath, Jhona2, Jaguary, Khau Mac Kho | 84 | Cut-panicle inoculation | Mizobuchi et al. (2013a) |
2014 | USA | 14 lines were identified as resistant, 30 lines as moderately resistant (2012) | 300 | Field evaluation (inoculation from boot split to flowering stage) over 2Â years | Wamishe et al. (2014) |
| Â | Â | 15 lines were identified as resistant, 53 lines as moderately resistant (2013) | Â | Â | Â |