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Titolo:
Hyperaccumulation of lead by roots, hypocotyls, and shoots of Brassica juncea
Autore:
Jiang, W; Liu, D; Hou, W;
Indirizzi:
Tianjin Normal Univ, Coll Chem & Life Sci, Dept Biol, Tianjin 300074, Peoples R China Tianjin Normal Univ Tianjin Peoples R China 300074 0074, Peoples R China Nankai Univ, Coll Life Sci, Tianjin 300071, Peoples R China Nankai Univ Tianjin Peoples R China 300071 anjin 300071, Peoples R China
Titolo Testata:
BIOLOGIA PLANTARUM
fascicolo: 4, volume: 43, anno: 2000,
pagine: 603 - 606
SICI:
0006-3134(2000)43:4<603:HOLBRH>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
HEAVY-METALS; CELL-DIVISION; ALLIUM-CEPA; PLANTS; NUCLEOLUS; GROWTH;
Keywords:
growth; Indian mustard; lead uptake;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
26
Recensione:
Indirizzi per estratti:
Indirizzo: Liu, D Tianjin Normal Univ, Coll Chem & Life Sci, Dept Biol, Tianjin 300074, Peoples R China Tianjin Normal Univ Tianjin Peoples R China 300074 eoples R China
Citazione:
W. Jiang et al., "Hyperaccumulation of lead by roots, hypocotyls, and shoots of Brassica juncea", BIOL PLANT, 43(4), 2000, pp. 603-606

Abstract

The effects of different concentrations of lead nitrate (10(-5) to 10(-3) M) on root, hypocotyl, and shoot growth of Indian mustard (Brassica juncea L. var. megarrhiza), and the uptake and accumulation of Pb2+ by its roots, hypocotyls, and shoots were investigated. Lead had no significant inhibitory effect on the root growth at concentrations of 10(-5) to 10(-4) M during the entire treatment, while at 10(-3) M, Pb slightly inhibited the root andshoot growth. B. juncea has ability to take up Pb from solutions and accumulate it in its roots, and transport and concentrate it. The Pb contents inthe parts of plants treated with 10(-3) M Pb were greater than those of untreated plants, by factors of 230 in the roots, 170 in the hypocotyls, and 3 in the shoots.

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Documento generato il 19/01/20 alle ore 01:29:14