נגישות
menu      
חיפוש מתקדם
תחביר
חפש...
הספר "אוצר וולקני"
אודות
תנאי שימוש
ניהול
קהילה:
אסיף מאגר המחקר החקלאי
פותח על ידי קלירמאש פתרונות בע"מ -
Salinity-induced changes in the nutritional status of expanding cells may impact leaf growth inhibition in maize
Year:
2005
Source of publication :
Functional Plant Biology
Authors :
ברנשטיין, נירית
;
.
נבס-פיאסטון, ביאטריס גלית
;
.
Volume :
32
Co-Authors:
Neves-Piestun, B.G., Inst. Soil, Water and Environ. Sci., Agricultural Research Organization, Volcani Center, PO Box 6, Bet-Dagan 50-250, Israel
Bernstein, N., Inst. Soil, Water and Environ. Sci., Agricultural Research Organization, Volcani Center, PO Box 6, Bet-Dagan 50-250, Israel
Facilitators :
From page:
141
To page:
152
(
Total pages:
12
)
Abstract:
Salinity-induced excess or deficiency of specific nutrients are often hypothesised to operate as causes of growth inhibition and to trigger primary responses, which directly affect growth. Information concerning salinity effects on microelement nutrition in the growing cells is limited. In this study, salinity-(80 mM NaCl) inflicted alterations in spatial profiles of essential elements (N, P, K, S, Ca, Mg, Fe, Zn, Mn, Cu) and the salinity source (Na and Cl) were studied along the growing zone of leaf 4 of maize (Zea mays L.). Correlations between spatial profiles of growth and nutritional status of the tissue were tested for evaluation of the hypothesis that a disturbance of specific mineral nutritional factors in the growing cells might serve as causes of salt-induced growth inhibition. Examined nutritional elements exhibited unique distribution patterns, all of which were disturbed by salinity. With the exception of Na, Cl and Fe, the deposition rates of all the studied mineral elements were reduced by salinity throughout the elongating tissue. Localised contents of Ca, K and Fe in the growing tissue of the salt-stressed leaf were highly correlated with the intensity of localised tissue volumetric expansion, suggesting reduced levels of Ca and K, and toxic levels of Fe as possible causes of growth inhibition. Na and Cl accumulation were not correlated with growth inhibition under salinity. © CSIRO 2005.
Note:
Related Files :
Crops
Growth inhibition
leaves
Microelements
Minerals
nutrition
Plants
salinity
Zea mays
עוד תגיות
תוכן קשור
More details
DOI :
10.1071/FP04113
Article number:
Affiliations:
Database:
סקופוס
Publication Type:
מאמר
;
.
Language:
אנגלית
Editors' remarks:
ID:
26555
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:23
Scientific Publication
Salinity-induced changes in the nutritional status of expanding cells may impact leaf growth inhibition in maize
32
Neves-Piestun, B.G., Inst. Soil, Water and Environ. Sci., Agricultural Research Organization, Volcani Center, PO Box 6, Bet-Dagan 50-250, Israel
Bernstein, N., Inst. Soil, Water and Environ. Sci., Agricultural Research Organization, Volcani Center, PO Box 6, Bet-Dagan 50-250, Israel
Salinity-induced changes in the nutritional status of expanding cells may impact leaf growth inhibition in maize
Salinity-induced excess or deficiency of specific nutrients are often hypothesised to operate as causes of growth inhibition and to trigger primary responses, which directly affect growth. Information concerning salinity effects on microelement nutrition in the growing cells is limited. In this study, salinity-(80 mM NaCl) inflicted alterations in spatial profiles of essential elements (N, P, K, S, Ca, Mg, Fe, Zn, Mn, Cu) and the salinity source (Na and Cl) were studied along the growing zone of leaf 4 of maize (Zea mays L.). Correlations between spatial profiles of growth and nutritional status of the tissue were tested for evaluation of the hypothesis that a disturbance of specific mineral nutritional factors in the growing cells might serve as causes of salt-induced growth inhibition. Examined nutritional elements exhibited unique distribution patterns, all of which were disturbed by salinity. With the exception of Na, Cl and Fe, the deposition rates of all the studied mineral elements were reduced by salinity throughout the elongating tissue. Localised contents of Ca, K and Fe in the growing tissue of the salt-stressed leaf were highly correlated with the intensity of localised tissue volumetric expansion, suggesting reduced levels of Ca and K, and toxic levels of Fe as possible causes of growth inhibition. Na and Cl accumulation were not correlated with growth inhibition under salinity. © CSIRO 2005.
Scientific Publication
You may also be interested in