| Changes in biochemical constituents and induction of early sprouting by triadimefon treatment in white yam （Dioscorea rotundata Poir.） tubers during storage |
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| 作者姓名： | Jaleel CA Gopi R Manivannan P Kishorekumar A Gomathinayagam M Panneerselvam R |
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| 作者单位： | Stress Physiology Lab Department of Botany,Annamalai University,Annamalainagar 608 002,Tamil Nadu,India,Stress Physiology Lab,Department of Botany,Annamalai University,Annamalainagar 608 002,Tamil Nadu,India,Stress Physiology Lab,Department of Botany,Annamalai University,Annamalainagar 608 002,Tamil Nadu,India,Stress Physiology Lab,Department of Botany,Annamalai University,Annamalainagar 608 002,Tamil Nadu,India,Stress Physiology Lab,Department of Botany,Annamalai University,Annamalainagar 608 002,Tamil Nadu,India,Stress Physiology Lab,Department of Botany,Annamalai University,Annamalainagar 608 002,Tamil Nadu,India |
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| 摘 要： | The ability of triadimefon(TDM),a triazolic fungicide,to alter the biochemical constituents and thereby minimizing the days required for sprouting in white yam(Dioscorea rotundata Poir.) tubers during storage under(30±2) °C in the dark,was studied.TDM at 20 mg/L was given to tubers by dipping the tubers in treatment solution containing 20 mg/L TDM on 10,25 and 40 d after storage(DAS).Starch,sugars,protein,amino acid contents as well as protease and α-amylase activities were estimated on 15,30 and 45 DAS from two physiological regions viz.,apical and basal regions of the tubers.In normal conditions(control) sprouting occurred on 70 to 80 DAS.The starch content decreased,while protein,amino acid,sugar contents and protease and α-amylase activities were increased due to TDM treatment and led to early sprouting.
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| 关 键 词： | 三泰酚杀菌剂 药物处理 诱导发芽 生化成分 白薯蓣 |
| 收稿时间： | 2006-10-04 |
| 修稿时间： | 22 January 2007 |
Changes in biochemical constituents and induction of early sprouting by triadimefon treatment in white yam (<Emphasis Type="Italic">Dioscorea rotundata</Emphasis> Poir.) tubers during storage |
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| Jaleel CA,Gopi R,Manivannan P,Kishorekumar A,Gomathinayagam M,Panneerselvam R.Changes in biochemical constituents and induction of early sprouting by triadimefon treatment in white yam (Dioscorea rotundata Poir.) tubers during storage[J].Journal of Zhejiang University Science,2007,8(4):283-288. |
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| Authors: | Jaleel Cheruth Abdul Gopi Ragupathi Manivannan Paramasivam Kishorekumar Ashok Gomathinayagam Muthiah Panneersel Vam Rajaram |
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| Institution: | (1) Stress Physiology Lab, Department of Botany, Annamalai University, Annamalainagar, 608 002, Tamil Nadu, India |
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| Abstract: | The ability of triadimefon (TDM), a triazolic fungicide, to alter the biochemical constituents and thereby minimizing the
days required for sprouting in white yam (Dioscorea rotundata Poir.) tubers during storage under (30±2) °C in the dark, was studied. TDM at 20 mg/L was given to tubers by dipping the
tubers in treatment solution containing 20 mg/L TDM on 10, 25 and 40 d after storage (DAS). Starch, sugars, protein, amino
acid contents as well as protease and α-amylase activities were estimated on 15, 30 and 45 DAS from two physiological regions
viz., apical and basal regions of the tubers. In normal conditions (control) sprouting occurred on 70 to 80 DAS. The starch
content decreased, while protein, amino acid, sugar contents and protease and α-amylase activities were increased due to TDM
treatment and led to early sprouting.
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| Keywords: | Biochemical constituents Enzyme activities Dioscorea rotundata Sprouting Storage Triadimefon (TDM) |
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