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

Cheruth Abdul Jaleel, Ragupathi Gopi, Paramasivam Manivannan, Ashok Kishorekumar, Muthiah Gomathinayagam, Rajaram Panneersel Vam

Research output: Contribution to journalArticlepeer-review

50 Citations (Scopus)

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) degrees 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 alpha-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 alpha-amylase activities were increased due to TDM treatment and led to early sprouting.

Original languageEnglish
Pages (from-to)283-288
Number of pages6
JournalJournal of Zhejiang University. Science. B.
Volume8
Issue number4
DOIs
Publication statusPublished - Apr 2007
Externally publishedYes

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • veterinary(all)
  • Pharmacology, Toxicology and Pharmaceutics(all)

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