Adaptation analysis of insect-resistant transgenic line after introducing mcry1F gene in maize
文献类型： 外文期刊
作者： Wang, Daming 1 ; Yin, Junqi 1 ; Wu, Fengci 1 ; Wang, Baifeng 1 ; Jiang, Zhilei 1 ; Liang, Jingang 2 ; Song, Xinyuan 1 ;
作者机构： 1.Jilin Acad Agr Sci, Agrobiotechnol Res Inst, Prov Crop Transgenic Sci & Technol Innovat Ctr, Changchun, Peoples R China
2.Minist Agr & Rural Affairs, Dev Ctr Sci & Technol, Beijing, Peoples R China
关键词： Zea mays L; transgenic technology; competition; ecological suitability; wilderness
期刊名称：PLANT SOIL AND ENVIRONMENT （ 影响因子：2.4； 五年影响因子：2.2 ）
ISSN： 1214-1178
年卷期： 2023 年
页码：
收录情况： SCI
摘要： 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 mcry1Fgene 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.
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