镉低积累水稻品种的筛选及酵素降镉效果研究  

Screening of Rice Cultivars with Low Cadmium Accumulation and Cadmium-ReducingEffect of Enzymes

作　　者：丁芳林[1] 张朝辉[1] 颜淑婷 姜放军[1] 邓育平[1] 符子璇 DING Fang-lin;ZHANG Zhao-hui;YAN Shu-ting;JIANG Fang-jun;DENG Yu-ping;FU Zi-xuan(Hunan Biological and Electromechanical Polytechnic,Changsha 410127,PRC)

机构地区：[1]湖南生物机电职业技术学院,湖南长沙410127

出　　处：《湖南农业科学》2024年第4期23-26,共4页Hunan Agricultural Sciences

基　　金：湖南省农业农村厅2021年农业科研计划项目(21NYT03);湖南省自然科学基金科教联合项目(2022JJ60070)。

摘　　要：为了探究镉污染下水稻的安全生产方式,采用小区试验,比较了50个水稻品种在湖南省镉轻度污染地区的糙米镉积累情况,并研究了喷施植物酵素对不同品种糙米镉积累的影响。结果表明:不同品种水稻对镉的吸收存在显著差异,在考察的50个水稻品种中,泰优390、隆香优310、隆两优1988等品种检测出的镉含量显著低于其他品种,可作为镉轻度污染区域水稻安全生产的应急品种;喷施生物酵素的试验结果表明,生物酵素对不同品种稻米镉累积的影响存在显著差异,施喷酵素可以使某些水稻品种中镉含量降低至国家安全限值以下。To explore the safe rice production under cadmium contamination,this study examined the cadmium accumulation in the brown rice of 50 cultivars grown in the areas with light cadmium contamination in Hunan Province and investigated the effects of spraying plant-derived enzymes on cadmium accumulation in the brown rice of different cultivars.The results showed that the cadmium uptake by rice varied significantly among different cultivars.Among the 50 rice cultivars studied,'Taiyou 390','Longxiangyou 310',and'Longliangyou 1988'had significantly lower cadmium content than other rice cultivars and could serve as emergency cultivars for safe rice production in the areas with light cadmium contamination.Spraying bioenzymes exerted significantly different effects on the cadmium accumulation in different rice cultivars.The cadmium content in some rice cultivars could be reduced to the level below the national safety limit by reasonable application of enzymes.

关 键 词：大米镉含量 镉低积累 生物酵素 水稻 

分 类 号：S511[农业科学—作物学] X53[环境科学与工程—环境工程]