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Journal of Zhejiang University SCIENCE B 2007 Vol.8 No.4 P.283-288

http://doi.org/10.1631/jzus.2007.B0283


Changes in biochemical constituents and induction of early sprouting by triadimefon treatment in white yam (Dioscorea rotundata Poir.) tubers during storage


Author(s):  JALEEL Cheruth Abdul, GOPI Ragupathi, MANIVANNAN Paramasivam, KISHOREKUMAR Ashok, GOMATHINAYAGAM Muthiah, PANNEERSELVAM Rajaram

Affiliation(s):  Stress Physiology Lab, Department of Botany, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India

Corresponding email(s):   suriyagopi@yahoo.co.in

Key Words:  Biochemical constituents, Enzyme activities, Dioscorea rotundata, Sprouting, Storage, Triadimefon (TDM)


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JALEEL Cheruth Abdul, GOPI Ragupathi, MANIVANNAN Paramasivam, KISHOREKUMAR Ashok, GOMATHINAYAGAM Muthiah, PANNEERSELVAM Rajaram. 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 B, 2007, 8(4): 283-288.

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author="JALEEL Cheruth Abdul, GOPI Ragupathi, MANIVANNAN Paramasivam, KISHOREKUMAR Ashok, GOMATHINAYAGAM Muthiah, PANNEERSELVAM Rajaram",
journal="Journal of Zhejiang University Science B",
volume="8",
number="4",
pages="283-288",
year="2007",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2007.B0283"
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%T Changes in biochemical constituents and induction of early sprouting by triadimefon treatment in white yam (Dioscorea rotundata Poir.) tubers during storage
%A JALEEL Cheruth Abdul
%A GOPI Ragupathi
%A MANIVANNAN Paramasivam
%A KISHOREKUMAR Ashok
%A GOMATHINAYAGAM Muthiah
%A PANNEERSELVAM Rajaram
%J Journal of Zhejiang University SCIENCE B
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%N 4
%P 283-288
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.B0283

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T1 - Changes in biochemical constituents and induction of early sprouting by triadimefon treatment in white yam (Dioscorea rotundata Poir.) tubers during storage
A1 - JALEEL Cheruth Abdul
A1 - GOPI Ragupathi
A1 - MANIVANNAN Paramasivam
A1 - KISHOREKUMAR Ashok
A1 - GOMATHINAYAGAM Muthiah
A1 - PANNEERSELVAM Rajaram
J0 - Journal of Zhejiang University Science B
VL - 8
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SP - 283
EP - 288
%@ 1673-1581
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PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2007.B0283


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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