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EFFECT OF GENMOTYPEON SELENIUM UPTAKE ANDACCUMULATION BY SOYBEAN IN LOW-Se SOILS(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2002年04期
Page:
263-266
Research Field:
Publishing date:

Info

Title:
EFFECT OF GENMOTYPEON SELENIUM UPTAKE ANDACCUMULATION BY SOYBEAN IN LOW-Se SOILS
Author(s):
Zhang Yanling1Pan Genxing1Chen Jin1Xie Tongbai2Ding Yaling2
1.College of Resources and Environment Sciences , Nanjing Agricultural University , Nanjing 210095 ;
2.Agricultural Technology Station of Changqing , Rugao Municipality , 226535
Keywords:
Low -Se soils ; Soybean ; Se accumulation
PACS:
S 565.1
DOI:
10.11861/j.issn.1000-9841.2002.04.0263
Abstract:
Selenium uptake and accumulation by different soybean cultivars in low -Se soils were studied with both fieldand pot experiments .The results showed that significant difference of seed Se accumulation existed among soybean cultivarssupplied with or without selenite .Tong -ai 405 cultivar has higher Se sensitivity and can accumulate 4 times higherSe in seeds than Qidong green -skin cultivar , however , the latter has higher capability of utilizing fertilizer Se .Yet , thefindings with pot experiments support with field study results .Higher Se uptake by Tong -ai 405 roots of soil indigineousSe is responsible for its higher Se concentration in seeds .The further experiments with selenite uptake kinetics showedthat the difference of Se uptake by roots of the two cultivars in low -Se soils was mainly due to the difference of their abilityof selenate uptake .

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Last Update: 2016-12-30