Back to Search
Start Over
Improving tolerance against drought in canola by penconazole and calcium.
- Source :
-
Pesticide biochemistry and physiology [Pestic Biochem Physiol] 2018 Jul; Vol. 149, pp. 123-136. Date of Electronic Publication: 2018 Jun 18. - Publication Year :
- 2018
-
Abstract
- Drought stress is one of the most important environmental factors that limit plant growth. Canola is an important agricultural crop grown primarily for its edible oil. In this study, penconazole (PEN), a triazole growth regulator, and calcium (Ca <superscript>2+</superscript> ), a secondary messenger, were used to analyses their role in decease sensitivity and induce tolerance to drought stress in canola. Plants were treated by various PEG concentrations (0, 5, 10, and 15%) without or with PEN (15 mg l <superscript>-1</superscript> ) and Ca <superscript>2+</superscript> (15 mM). According to the obtained results in two cultivars of canola (RGS003 and Sarigol), improvement of growth by PEN and Ca <superscript>2+</superscript> observed at low concentration of drought (5%). Betterment of growth by PEN can be explained by induction in DPPH (1, 1-diphenyl-2- picrylhydrazyl), chlorophyll and P content and reduction in Electrolyte leakage in cultivar RGS003. Growth recovery by PEN is concomitant by increase in DPPH, succinate dehydrogenase, chlorophyll, carotenoid and K <superscript>+</superscript> content in cultivar Sarigol. Ca <superscript>2+</superscript> treatment by induction in Relative water content, DPPH, chlorophyll, carotenoid, indole-3-acetic acid content and the content of Ca <superscript>2+</superscript> and K <superscript>+</superscript> causes increase in growth in cultivar Sarigol. Overall, application of PEN and Ca <superscript>2+</superscript> improved the performance in canola under drought stress. These results provide novel insights about the physiological and molecular roles of PEN and Ca <superscript>2+</superscript> in canola plant tolerance against drought stress.<br /> (Copyright © 2018. Published by Elsevier Inc.)
- Subjects :
- Biphenyl Compounds metabolism
Brassica rapa genetics
Brassica rapa metabolism
Brassica rapa physiology
Calmodulin genetics
Carotenoids metabolism
Chlorophyll metabolism
Gene Expression Regulation, Plant drug effects
Genes, Plant
Indoleacetic Acids metabolism
Peroxidases metabolism
Phosphorus metabolism
Picrates metabolism
Potassium metabolism
Protein Kinases genetics
Reverse Transcriptase Polymerase Chain Reaction
Succinate Dehydrogenase metabolism
Adaptation, Physiological drug effects
Brassica rapa drug effects
Calcium pharmacology
Droughts
Plant Growth Regulators pharmacology
Triazoles pharmacology
Subjects
Details
- Language :
- English
- ISSN :
- 1095-9939
- Volume :
- 149
- Database :
- MEDLINE
- Journal :
- Pesticide biochemistry and physiology
- Publication Type :
- Academic Journal
- Accession number :
- 30033008
- Full Text :
- https://doi.org/10.1016/j.pestbp.2018.06.007