| Effects of soaking seed in ethephon solution on solyamine content in sugarcane roots and water potential in sugarcane leaves |
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| DOI：10.7606/j.issn.1000-7601.2008.01.36 |
| Key Words: water stress ethephon sugarcane polyamine water potential |
| Author Name | Affiliation | | WANG Weihao | Agricultural College Guangxi University Nannig,Guangxi 530005, China；Guangxi Academy of Agricultural Sciences Nanning, Guangxi 530007, China | | YE Yangping | Agricultural College Guangxi University Nannig,Guangxi 530005, China | | LI Yangrui | Agricultural College Guangxi University Nannig,Guangxi 530005, China；Guangxi Academy of Agricultural Sciences Nanning, Guangxi 530007, China |
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| Abstract: |
| The seed canes of three sugarcane varieties i.e.ROC22,GT17 and ROC10 were soaked in ethephon solutions with three concentrations of 0,100,200 mg/L,respectively,for 10 min before planting.Much more Spm,Spd and Put were accumulated in the roots of sugarcane under water stress.For both 100 mg/L and 200 mg/L ethephon treatments,much higher contents of Spm,Spd and Put were found in the roots of ROC22 and ROC10 than that of GT17.Besides,lower activity of PAO was found in the roots for all the ethephon treatments.The 100 mg/L and 200 mg/L ethephon treatments could also improve the drop of water potential in the leaves.The best effect was found in the 200 mg/L ethephon treatment.The results suggested that the ethephon treatment could increase the drought resistance of sugarcane. |
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