Scientia Agricultura Sinica ›› 2005, Vol. 38 ›› Issue (04): 725-729 .

• PLANT PROTECTION • Previous Articles     Next Articles

Resistance of cry1Ac + SCK Transgenic Rice and Its Filial Generation to the Rice Leaf Roller Cnaphalocrocis medinalis

  

  1. 湖南科技大学生命科学学院及应用生态学研究所
  • Received:2004-09-17 Revised:1900-01-01 Online:2005-04-10 Published:2005-04-10

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Abstract: Field evaluations were conducted to investigate the resistance of cry1Ac + SCK transgenic rice and its filial generation to the rice leaf roller Cnaphalocrocis medinalis. The results indicated that two transgenic rice lines of MSA and MSB inserted with the combination of cry1Ac and SCK were highly resistant against the rice leaf roller, Cnaphalocrocis medinalis, and the progenies from crosses between cry1Ac and SCK transgenic rice and conventional rice varieties, 21S/MSB and II-32A/MSB showed high resistance to leaf roller C. medinalis. The number, percentage of rolled leaves and leaf-rolled plants as well as plants with C. medinalis of MSA, MSB, 21S/MSB and II-32A/MSB were remarkably lower than those of their conventional control rice varieties, respectively.

Key words: Transgenic rice, Cry1Ac, SCK, Cnaphalocrocis medinalis, Resistance

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