茎注射氮素在玉米籽粒形成中的分布(英文)  

Distribution of stem-infused nitrogen during kernel development in maize

作　　者：孙庆元[1] 张雪崧[1] 

机构地区：[1]大连轻工业学院生物与食品工程学院,辽宁大连116034

出　　处：《大连轻工业学院学报》2003年第1期17-20,共4页Journal of Dalian Institute of Light Industry

摘　　要：通过实验研究茎注射氮素在玉米籽粒形成中的分布。对两组缺乏氮素植株进行实验,一组茎注入氮素,另一组用15N NO3处理土壤;并分别进行15氮跟踪,观察玉米繁殖器官中的氮素分布。6天后发现茎注入与根系吸收结果相似。This paper describes the experimental study on the distribution of steminfused nitrogen during kernel development in maize. We infused N on the stem of the nitrogen deficient plants and treated the soil with 15NNO3 , respectively. Tracing the 15Nglycine after six days, we found that the distributions of N from stem infused in the earshoot were the same as from root absorbed.d. This result indicated that N steminfused directly affected the reproduction organs, assimilating to that absorbed from the soil.

关 键 词：茎注射技术 氮素 玉米 籽粒 形成 分布 吸收 

分 类 号：S513[农业科学—作物学]