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Adaptation analysis of insect-resistant transgenic line after introducing mcry1F gene in maize

Author

Listed:
  • Daming Wang

    (Agro-Biotechnology Research Institute, Provincial Crop Transgenic Science and Technology Innovation Center, Jilin Academy of Agricultural Sciences, Changchun, P.R. China)

  • Junqi Yin

    (Agro-Biotechnology Research Institute, Provincial Crop Transgenic Science and Technology Innovation Center, Jilin Academy of Agricultural Sciences, Changchun, P.R. China)

  • Fengci Wu

    (Agro-Biotechnology Research Institute, Provincial Crop Transgenic Science and Technology Innovation Center, Jilin Academy of Agricultural Sciences, Changchun, P.R. China)

  • Baifeng Wang

    (Agro-Biotechnology Research Institute, Provincial Crop Transgenic Science and Technology Innovation Center, Jilin Academy of Agricultural Sciences, Changchun, P.R. China)

  • Zhilei Jiang

    (Agro-Biotechnology Research Institute, Provincial Crop Transgenic Science and Technology Innovation Center, Jilin Academy of Agricultural Sciences, Changchun, P.R. China)

  • Jingang Liang

    (Development Center of Science and Technology, Ministry of Agriculture and Rural Affairs, Beijing, P.R. China)

  • Xinyuan Song

    (Agro-Biotechnology Research Institute, Provincial Crop Transgenic Science and Technology Innovation Center, Jilin Academy of Agricultural Sciences, Changchun, P.R. China)

Abstract

The ability to adapt, survive, and compete with weeds of transgenic plants is the necessary evaluation content to release transgenic lines in target regions. We compared weediness and agronomic traits of transgenic maize lines G1F-8 and G1F-19 carrying the mcry1F gene with their near-isogenic maize inbred line Zheng 58 in the wasteland and cultivated field under natural conditions for two consecutive years. The results showed that there was no significant difference identified in the species, quantity, and relative coverage ratio (RCR) of weeds between fields with G1F-8, G1F-19, and Zheng 58, regardless of the sowing pattern in the wasteland. Compared with the vigour of weeds, none of G1F-8, G1F-19, and Zheng 58 showed survival advantages, and all showed weak growth potential with no final grain yield. Meanwhile, no volunteer seedlings were found upon investigation in the following year. The simulated seed overwintering experiment in the wasteland further showed that the three kinds of maize could not germinate in the second year. In cultivated land, G1F-8 and G1F-19 had the same growth stages, plant height, and RCR as Zheng 58 throughout two years. In conclusion, the transgenic lines G1F-8 and G1F-19 exhibited no adaptability risk in Gongzhuling, Jilin, China.

Suggested Citation

  • Daming Wang & Junqi Yin & Fengci Wu & Baifeng Wang & Zhilei Jiang & Jingang Liang & Xinyuan Song, 2023. "Adaptation analysis of insect-resistant transgenic line after introducing mcry1F gene in maize," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 69(1), pages 18-24.
    • Handle: RePEc:caa:jnlpse:v:69:y:2023:i:1:id:286-2022-pse
    DOI: 10.17221/286/2022-PSE
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