Nickel toxicity: Effects on growth and metabolism of maize

被引:52
作者
Baccouch, S [1 ]
Chaoui, A [1 ]
El Ferjani, E [1 ]
机构
[1] Fac Sci Bizerte, Lab Biol & Physiol Cellulaires, Zarzouna 7021, Tunisia
关键词
D O I
10.1080/01904169809365425
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Effects of graded concentrations of nickel on maize (Zea mays L.) growth and certain metabolic parameters were studied. Under nickel (Ni) stress conditions, leaves become chlorotic at low concentrations and necrotic at, relatively, high ones. Concerning its effect on plant growth, nickel reduces dry matter production, more significantly in root system which accumulates large amounts of Ni. In leaves, chlorophyll content was severely decreased. Furthermore, this metal induces leaf accumulation of soluble phenolics, starch and reducing sugars. The accumulation of carbohydrates in shoots might be, at least in part, the cause of root growth inhibition.
引用
收藏
页码:577 / 588
页数:12
相关论文
共 31 条
[1]   RELATIVE EFFECTIVENESS OF CERTAIN HEAVY-METALS IN PRODUCING TOXICITY AND SYMPTOMS OF IRON-DEFICIENCY IN BARLEY [J].
AGARWALA, SC ;
BISHT, SS ;
SHARMA, CP .
CANADIAN JOURNAL OF BOTANY-REVUE CANADIENNE DE BOTANIQUE, 1977, 55 (10) :1299-1307
[2]   INTERACTION BETWEEN K-DEFICIENCY AND LIGHT IN C-14 SUCROSE TRANSLOCATION IN BEAN PLANTS [J].
AMIR, S ;
REINHOLD, L .
PHYSIOLOGIA PLANTARUM, 1971, 24 (02) :226-+
[3]   COPPER ENZYMES IN ISOLATED CHLOROPLASTS - POLYPHENOLOXIDASE IN BETA-VULGARIS [J].
ARNON, DI .
PLANT PHYSIOLOGY, 1949, 24 (01) :1-15
[4]  
ASHLEY DA, 1972, CROP SCI, V12, P138
[5]  
AUDIGIE CL, 1978, MANIPULATION ANAL BI, P11
[6]   PLANT WATER RELATIONS AS AFFECTED BY HEAVY-METAL STRESS - A REVIEW [J].
BARCELO, J ;
POSCHENRIEDER, C .
JOURNAL OF PLANT NUTRITION, 1990, 13 (01) :1-37
[7]  
BRECKLE SW, 1989, ROOT SYSTEM
[8]   EFFECT OF NICKEL DEFICIENCY ON SOLUBLE ANION, AMINO-ACID, AND NITROGEN LEVELS IN BARLEY [J].
BROWN, PH ;
WELCH, RM ;
MADISON, JT .
PLANT AND SOIL, 1990, 125 (01) :19-27
[9]   BENEFICIAL-EFFECTS OF NICKEL ON PLANT-GROWTH [J].
BROWN, PH ;
WELCH, RM ;
CARY, EE ;
CHECKAI, RT .
JOURNAL OF PLANT NUTRITION, 1987, 10 (9-16) :2125-2135
[10]   A COMPARATIVE-ANALYSIS OF ELEMENT COMPOSITION OF ROOTS AND LEAVES OF BARLEY SEEDLINGS GROWN IN THE PRESENCE OF TOXIC CADMIUM, MOLYBDENUM, NICKEL, AND ZINC CONCENTRATIONS [J].
BRUNE, A ;
DIETZ, KJ .
JOURNAL OF PLANT NUTRITION, 1995, 18 (04) :853-868