Effect of paclobutrazol on Patumma cv. Chiang Mai Pink under water stress
The effects of paclobutrazol on physiological and biochemical changes in Patumma cv. Chiang Mai Pink during water stress were investigated by using 0 (control) and 1,500 ppm (treatment) of paclobutrazol. Paclobutrazol was applied once as soil drench. Two weeks later, water withholding was started fo...
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| Main Authors: | , |
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| Format: | Journal |
| Published: |
2018
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| Subjects: | |
| Online Access: | https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84866441342&origin=inward http://cmuir.cmu.ac.th/jspui/handle/6653943832/52030 |
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| Institution: | Chiang Mai University |
| Summary: | The effects of paclobutrazol on physiological and biochemical changes in Patumma cv. Chiang Mai Pink during water stress were investigated by using 0 (control) and 1,500 ppm (treatment) of paclobutrazol. Paclobutrazol was applied once as soil drench. Two weeks later, water withholding was started for 40 days. Soil water content, relative water content (RWC) in the leaves, plant height, dry weight/plant, chlorophyll a and b contents, and proline and malondialdehyde (MDA) contents in leaves were evaluated every 10 days for 40 days after the start of water withholding. The results showed that the dry weight and RWC in the plants treated with paclobutrazol were higher, while the reduction of plant height, proline, and MDA contents were lower than the control during water deficit. This study indicates that paclobutrazol increased the tolerance of Patumma plants to water stress. |
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