Induction of pathogen resistance in barley by abiotic stress

被引:82
作者
Wiese, J [1 ]
Kranz, T [1 ]
Schubert, S [1 ]
机构
[1] Univ Giessen, Inst Plant Nutr, Interdisciplinary Res Ctr, IFZ, Giessen, Germany
关键词
ABA; barley; induced resistance; powdery mildew; proton stress; salt stress;
D O I
10.1055/s-2004-821176
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Enhanced resistance of barley (Hordeum vulgare L. cv. Ingrid) against barley powdery mildew (Blumeria graminis f. sp. hordei race A6) was induced by abiotic stress in a concentration-dependent manner. The papilla-mediated resistance was not only induced by osmotic stress, but also by proton stress. Resistance was directly correlated with increasing concentrations of various salts in the nutrient solution. Resistance induced by proton stress also depended on the stress intensity. Resistance induction occurred even at low stress intensities. Any specific ion toxicity affecting the fungal growth directly, and therefore leading to enhanced pathogen resistance, can be excluded because of the independence of resistance induction of the ion used and of the time course of sodium accumulation in the leaves. BCI-4 a marker for benzo[1,2,3]thiadiazolecarbothioic acid S-methyl ester (BTH)-induced resistance was not induced by these abiotic stresses. However, resistance was induced in the same concentration-dependent manner by the application of the stress hormone ABA to the root medium. During the relief of water stress, resistance did not decrease constantly. On the contrary, after a phase of decreasing resistance for 24 h the pathogen resistance increased again for 48 h before decreasing finally to control levels.
引用
收藏
页码:529 / 536
页数:8
相关论文
共 37 条
[1]  
Audenaert K, 2002, PLANT PHYSIOL, V128, P491, DOI 10.1104/pp.010605
[2]   EFFECTS OF SOIL-WATER LEVEL ON THE DEVELOPMENT OF ADULT-PLANT RESISTANCE TO POWDERY MILDEW IN BARLEY [J].
AYRES, PG ;
WOOLACOTT, B .
ANNALS OF APPLIED BIOLOGY, 1980, 94 (02) :255-263
[3]  
AYRES PG, 1984, ANNU REV PHYTOPATHOL, V22, P53
[4]   Drought-induced changes in xylem pH, ionic composition, and ABA concentration act as early signals in field-grown maize (Zea mays L.) [J].
Bahrun, A ;
Jensen, CR ;
Asch, F ;
Mogensen, VO .
JOURNAL OF EXPERIMENTAL BOTANY, 2002, 53 (367) :251-263
[5]   Temporary partial breakdown of mlo-resistance in spring barley by sudden relief of soil water-stress under field conditions:: the effects of genetic background and mlo allele [J].
Baker, SJ ;
Newton, AC ;
Crabb, D ;
Guy, DC ;
Jefferies, RA ;
Mackerron, DKL ;
Thomas, WTB ;
Gurr, SJ .
PLANT PATHOLOGY, 1998, 47 (04) :401-410
[6]   Cellular characteristics of temporary partial breakdown of mlo-resistance in barley to powdery mildew [J].
Baker, SJ ;
Newton, AC ;
Gurr, SJ .
PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY, 2000, 56 (01) :1-11
[7]  
BESSER K, 2001, THESIS J LIEBIG U GI
[8]   Expression analysis of genes induced in barley after chemical activation reveals distinct disease resistance pathways [J].
Besser, Katrin ;
Jarosch, Birgit ;
Langen, Gregor ;
Kogel, Karl-Heinz .
MOLECULAR PLANT PATHOLOGY, 2000, 1 (05) :277-286
[9]   THE INFLUENCE OF PHOTOPERIOD ON GROWTH-PATTERNS OF ERYSIPHE-GRAMINIS F-SP HORDEI [J].
CARVER, TLW ;
WILLIAMS, O .
ANNALS OF APPLIED BIOLOGY, 1980, 94 (03) :405-&
[10]   Benzothiadiazole, a novel class of inducers of systemic acquired resistance, activates gene expression and disease resistance in wheat [J].
Gorlach, J ;
Volrath, S ;
KnaufBeiter, G ;
Hengy, G ;
Beckhove, U ;
Kogel, KH ;
Oostendorp, M ;
Staub, T ;
Ward, E ;
Kessmann, H ;
Ryals, J .
PLANT CELL, 1996, 8 (04) :629-643