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ACTA HORTICULTURAE SINICA ›› 2001, Vol. 28 ›› Issue (5): 466-468.

• 研究报告 • Previous Articles     Next Articles

Diagnosis and Genetic Analysis of Resistance to Cauliflower Mosaic Virus inBrassica Crops Which Was Transformed with CaMV Gene VI

Gong Zhenhui1, He Yuke2, Song Xianjun1, Zhang Guanghui1, and Zhang Guihua1
  

  1. (1Horticulture College, Northwest Sci􀀁Tech University of Agriculture and Forestry , Yangling 712100; 2Shanghai Institute of Plant Physiology , The Chinese Academy of Science, Shanghai 200032)
  • Received:1900-01-01 Revised:1900-01-01 Online:2001-10-25 Published:2001-10-25

Abstract: The genetically engineered cross􀀁protection which was supplied by weak strain Bari􀀁1 gene VI of cauliflower mosaic virus ( CaMV) , and its genetic regularity were studied with Brassica crops ( Brassica camp estris ssp.
rap ifera, B . campestris ssp. pekinensis , B . campestris var . parachinensis , B. campestris var. purpurea, B .juncea , B . oleracea var. botrytic ) which were transformed with CaMV gene VI. The results showed that 48. 08% of
transformed Brassica plants was resistance to CaMV strain CABB􀀁BJI and 51. 92% of them was susceptible to CaMV CABB􀀁BJI. The virus resistant gene ( CaMV Bari􀀁1 gene VI ) in 76% of first selfed progeny presented typically
Mendelian single dominance gene inheritance. The ratio of virus􀀁resistant to virus􀀁susceptible plants in some of first selfed progeny presented Mendelian inheritance, such as, 15 1, 1 1, 1 3 and 1 95.

Key words: CaMV gene VI, Brassica L., Transgenic, Plants, Genetically engineered cross􀀁, protection, Genetic regularity

CLC Number: