Reaction of Korean Rice Varieties to New Bacterial Blight Race, K3a

우리나라 벼 주요 품종들의 흰잎마름병 변이균 레이스 K3a에 대한 반응

  • Shin Mun-Sik (Honam Agricultural Research Institute, NICS, RDA) ;
  • Noh Tae-Hwan (Honam Agricultural Research Institute, NICS, RDA) ;
  • Kim Ki-Young (Honam Agricultural Research Institute, NICS, RDA) ;
  • Shin Seo-Ho (Honam Agricultural Research Institute, NICS, RDA) ;
  • Ko Jae-Kweon (Honam Agricultural Research Institute, NICS, RDA) ;
  • Lee Jae-Kil (Honam Agricultural Research Institute, NICS, RDA)
  • 신문식 (작물과학원 호남농업연구소) ;
  • 노태환 (작물과학원 호남농업연구소) ;
  • 김기영 (작물과학원 호남농업연구소) ;
  • 신서호 (작물과학원 호남농업연구소) ;
  • 고재권 (작물과학원 호남농업연구소) ;
  • 이재길 (작물과학원 호남농업연구소)
  • Published : 2005.06.01

Abstract

This study was carried out to get information for diversifying of resistant genes to bacterial blight (BB) in Japonica cultivar breeding programs. TWo hundred nine rice varieties were tested for qualitive resistance to four races of BB; HB9101 isolate for race K1, HB9102 isolate for race K2, HB9103 isolate for race K3, and HB01001 isolate for race K3a. Two hundred nine rice varieties were divided into five groups according to their race reaction. Fourteen Tongil-type varieties and ninetyseven Japonica varieties showed susceptible reaction to four races; Kl, K2, K3 and K3a. Thirteen Tongil-type varieties and thirty-one Japonica varieties were resistant to only one race; K1. Nine Tongil-type varieties and one Japonica variety were resistant to two races; K1 and K2. One Tongil-type variety and twenty-eight Japonica varieties were resistant to the three races; K1, K2, and K3. Fourteen Tongil-type varieties and one Japonica variety were resistant to four races; K1, K2, K3, and K3a. A number of Tongil-type varieties showed broad spectrum resistance to four races, while a number of Japonica varieties showed broad spectrum resistance to three races; K1, K2, and K3.

1970년대 이후 육성된 우리나라 벼품종들에 대하여 벼흰잎마름병 레이스 K1, K2, K3 및 K3a에 대한 반응을 검토한 결과를 요약하면 다음과 같다. 1. 통일형인 51품종의 저항성 정도를 검정한 결과, 레이스 K1에 저항성 13품종, 레이스 K1과 K2에 저항성 9품종, 레이스 K1, K2, 및 K3에 저항성 1품종, 레이스 K1, K2, K3 및 K3a모두에 저항성을 보인 것은 14품종이었다. 2. 자포니카형인 158품종의 저항성 반응을 살펴 본 결과, 레이스 K1 저항성 31품종, 레이스 K1과 K2에 저항성 1품종, 레이스 K1, K2 및 K3에 저항성 28품종, 레이스 K1, K2, K3 및 K3a모두에 저항성 1품종이었다. 3. 레이스 K1, K2, K3 및 K3a에 저항성인 품종은 통일형 품종이 자포니카형 품종 보다 훨씬 많았다.

Keywords

References

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