Soil applied cobalt alters the nodulation, leg-haemoglobin content and antioxidant status of Glycine max (L.) Merr.

Kaliyamoorthy Jayakumar, Packirisamy Vijayarengan, Zhao Changxing, M. Gomathinayagam, Cheruth Abdul Jaleel

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)

Abstract

The present investigation has been carried out to estimate the effect of cobalt on the nodulation leg-haemoglobin content and antioxidant enzyme activities of soybean plants. The experiments were conducted in earthen pots containing 3 kg of air dried soil. The inner surface of pots was lined with polythene sheet. Soybean plants were raised in soil amended with different concentration of cobalt (0, 50, 100, 150, 200 and 250 mg/kg). The root nodule formation, leg-haemoglobin contents and antioxidant enzyme activities were analysed at 15 days intervals, namely 15, 30, 45, 60 and 75 days after sowing (DAS). There found a significant increase in the total number of root nodules, leg-haemoglobin content and antioxidant enzyme activities at 50 mg/kg cobalt application in the soil in all the sampling days when compared to control. Further increase in the cobalt level (100-250 mg/kg) in the soil decreased root nodules formation as well as leg-haemoglobin content antioxidant enzyme activities of soybean plants in all the sampling days.

Original languageEnglish
Pages (from-to)272-275
Number of pages4
JournalColloids and Surfaces B: Biointerfaces
Volume67
Issue number2
DOIs
Publication statusPublished - Dec 1 2008
Externally publishedYes

Keywords

  • Antioxidant enzymes
  • Glycine max
  • Leg-haemoglobin
  • Nodulation

ASJC Scopus subject areas

  • Biotechnology
  • Surfaces and Interfaces
  • Physical and Theoretical Chemistry
  • Colloid and Surface Chemistry

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