摘要
通过对开封市“无公害”西瓜的全面检测分析,证明按所制订的栽培方案实施,西瓜中重金属及有机氯农药残留量均低于国家有关食品指标。成熟期及生长期无显著差异。其残留量迁移规律为根>茎、叶>皮、瓤。根、茎、叶对有机氯农药有富集作用,重金属残留量在瓜体中尚未发现富集现象。瓜体中六六六各异构体残留量以β体最高,其成熟瓜有机体中β体残留量高于生长期β体残留量。
We made entirely determination and analysis for 'nuisance-free of Kaifeng city, proving that taking with lay down ciltivating plan the amount of heavy metal and -organic chlorine pesticide in watermelon are less than the permissive amount of national index for food. The riping period and growing period of 'nuisance-free watermelon' have no obvious difference from similar watermelon. The transfer law of their poisonous remaining quantity is root>stemand leaf > skin and palp. The results showed that the organic chlorine were enriched in watermelon, but the heavy metals were not enriched in watermelon.The remaning quantity of β type in all isomers of benzenehexachlolride is the most in watermelon and P type remaining quantity of riping watermelon is more thanthat of growing watermelon.
出处
《农村生态环境》
CSCD
1989年第4期67-70,共4页
Rural Eco-Environment
