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Table 1 Previous reports of screening cultivars and breeding lines for brown spot (BS) resistance

From: QTLs for Resistance to Major Rice Diseases Exacerbated by Global Warming: Brown Spot, Bacterial Seedling Rot, and Bacterial Grain Rot

Year

Countrya

Resistant cultivars and breeding lines

Number of screened cultivars or lines

Evaluation method

Reference(s)

1930

Japan

(Kutto-urupe identified as a susceptible cultivar)

-

Field observation without artificial inoculation

Nagai and Hara (1930)

1941

USA

Mubo-Aikoku

16

Inoculation of seedlings

Adair (1941)

1951

Japan

Resistant: Tetep, Ginnen

20

Inoculation of different growth stages (seedling, tillering, booting and flowering)

Yoshii and Matsumoto (1951)

  

Moderately resistant: Tadukan, Bomba, Jamaica, Louisiana non-beard, Choukakou, Shimoushaku

   

1962

Japan

Kairyo-Aikoku, Ginbozu and 20 breeding lines

45

Field observation between different soils (K-deficient field, sandy loam and peat soil) over 11 years

Yasumasa et al. (1962)

1974

Japan

Tadukan, Tetep, Jamaica, Pi No.1, Kararato, Choukakou, Usen, Ginnen

80

Inoculation of seedlings

Ohata and Kubo (1974), Ohata (1989)

1979

Egypt

Pi1, YNA282

5

Inoculation at four stages (seedling, maximum tillering, maximum heading and milk-ripe stage)

Balal et al. (1979)

1985

India

CH45

-

Field observation without artificial inoculation

Misra (1985)

1986

USA

Dawn, Taichung Native-1, Tetep

11

Inoculation of 45-day-old-plants

Eruotor (1986)

1994

USA

Katy, Experimental Line 1b

10

Field observation without artificial inoculation (Si-deficient soil, Histosol)

Deren et al. (1994)

1995

India

Jhllidhan (HRC 703), Kalamdani (HRC 711), Tulsimanjari (HRC 719), Bankuiya (HRC 729), Marto (NIC 105696)

183

Field observation without artificial inoculation over 4 years

Shukla et al. (1995)

2004

Bangladesh

Line 139c

33

Field observation without artificial inoculation over 2 years

Hossain et al. (2004)

2005

India

Resistant: Khazar, Teqing, Tarommolaii, IR6, Chhomrong, Govind, UPR191-66, ASD18, R644, Yuanjing7, Xu-Xiangzan, BG90-2, TKM9, Guang122

124

Inoculation of 70-day-old-plants after transplanting

Satija et al. (2005)

  

Moderately resistant: RASI, IR64, CR203, IR50, BG304, Lemont, Phalguna, PR111

   

2006

India

CR 100117, CR 100140, CR 100142, CR100142A (all are Oryza nivara germplasm)

150

Inoculation of 90-day-old plants (all accessions were O. nivara)

Goel et al. (2006)

2006

India

(PR116, PR114 and PR106 detected as susceptible cultivars)

9

Field observation without artificial inoculation over 3 years

Pannu et al. (2006)

  1. aCountry where experiment was conducted
  2. bExperimental Line 1 is an advanced line from the breeding program in Arkansas
  3. cA breeding line