志愿植物的出现和转基因料玉米在无意释放到环境中的环境适应性
Han-Yong Choi1, Eun-Gyeong Kim2, Jae-Ryoung Park2,3
1Department of Applied Biosciences, Kyungpook National University, Daegu 41566, Republic of Korea.
Plants (Basel, Switzerland)
|July 29, 2023
概括
转基因料玉米的发芽率非常低,在田间条件下生存率很差,这表明自愿植物在无意释放后形成的风险很小. 这表明转基因玉米不太可能成为杂草.
科学领域:
- 农业科学 农业科学
- 环境科学 环境科学
- 遗传学 是一个遗传学.
背景情况:
- 转基因作物越来越普遍,引发人们对活体转基因生物 (LMO) 对环境的影响的担忧.
- 不故意释放转基因料玉米可能导致志愿植物,带来潜在的生态风险.
研究的目的:
- 评估韩国无意释放的转基因料玉米谷物的杂草潜力和志愿植物的发生情况.
- 评估转基因料玉米对环境的安全性.
主要方法:
- 在未经处理的田地种植转基因料玉米粒,以调查志愿植物的发生情况.
- 在不同的温度条件下分析了发芽率.
- 在可食用和料玉米品种之间的发芽的比较.
主要成果:
- 转基因玉米的发芽率非常低.
- 发芽的苗木因杂草的竞争而难以生存,未能达到成熟.
- 发芽率在20-30°C是最佳的,在10°C和40°C下降.
- 可食用玉米 (Daehakchal) 的发芽率比料玉米 (Gwangpyeongok) 的发芽率高.
结论:
- 无意释放的转基因料玉米由于发芽和生存不佳,形成志愿植物群落的风险很低.
- 环境风险评估数据支持对转基因作物的安全评估.
- 这些发现可以为开发志愿植物抑制技术提供信息.
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