ACTA AGRICULTURAE BOREALI-SINICA ›› 2019, Vol. 34 ›› Issue (2): 103-109. doi: 10.7668/hbnxb.201751322

Special Issue: Chinese cabbage

• Crop Genetics·Germplasm Resources·Biotechnology • Previous Articles     Next Articles

Reaction and Resistant Gene Loci Detection of Different Chinese Cabbage Varieties to Different Plasmodiophora brassicae Strains

WEN Juanjuan1, WANG Chaonan2, HUA Deping3, ZHANG Hong2, XU Yingli1, ZHANG Bin2   

  1. 1. College of Life Sciences, Tianjin Normal University, Tianjin 300387, China;
    2. Tianjin Enterprise Key Laboratory of Vegetable Genetics & Breeding, State Key Laboratory of Vegetable Germplasm Innovation, Tianjin Kernel Vegetable Research Institute, Tianjin 300381, China;
    3. School of Life Sciences, Tianjin University, Tianjin 300072, China
  • Received:2018-08-20 Published:2019-04-28

Abstract: To clarify the resistant relationship between physiological races and Chinese cabbage(Brassica rapa L.ssp. pekinensis) variety, physiological races 4, 7, 10 and 11 were inoculated by injecting. The disease resistance of the 25 Chinese cabbage and CR markers were detected. The results showed that 8 cultivars such as Shandiwang 2 were resistance to only 4 physiological races; 7 cultivars such as Degao CR117 were susceptible to only 4 physiological races; 4 cultivars (including C1) were susceptible to 2 physiological races, and 6 cultivars (including Huakang 301) were only susceptible to 4 physiological race. All materials contained Crr1, CRk was detected in samples except the Degao CR Tiejia 1 and the Dadi CR118, the disease resistance locus CRa and CRb were detected in 21 and 16 samples respectively, 11 cultivars (including Degao CR117) contained Crr2 resistance locus, Crr3 resistance locus was detected only in Jingchun CR3, CRc resistance locus was contained in Xingguan and CR75.In short,different Chinese cabbage materials have different resistance to the same physiological race,and the same material responds differently to different physiological races. The physiological race No.4 was the most serious, followed by the physiological race No.7. The results of molecular marker identification showed that the resistance sites of Chinese cabbage materials were not necessarily resistant to disease. The resistance of Crr1 had little effect on material resistance.

Key words: Chinese cabbage, Clubroot, Resistance locus, Physiological races

CLC Number: 

Cite this article

WEN Juanjuan, WANG Chaonan, HUA Deping, ZHANG Hong, XU Yingli, ZHANG Bin. Reaction and Resistant Gene Loci Detection of Different Chinese Cabbage Varieties to Different Plasmodiophora brassicae Strains[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2019, 34(2): 103-109. doi: 10.7668/hbnxb.201751322.

share this article