Kongunadu Research Journal
Vol. 4 No. 2 (2017): Vol 4, Iss 2, Year 2017 (Dr.S.Paulsamy Commemoration Issue)
Articles

ALLELOPATHIC INFLUENCE OF CASUARINA EQUISETIFOLIA L. ON GROWTH AND DEVELOPMENT OF RICE (ORYZA SATIVA L.)

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  • Prabhakaran J,
  • Arumugam K
Prabhakaran J
Botany wing – DDE, Annamalai University, Annamalai Nagar – 608 002, Tamil Nadu, India.
Arumugam K
Botany wing – DDE, Annamalai University, Annamalai Nagar – 608 002, Tamil Nadu, India.
DOI: https://doi.org/10.26524/krj221
Published December 30, 2017
Keywords
  • Allelopathy, Casuarina equisetifolia, rice cultivars.
How to Cite
J, P., & K, A. (2017). ALLELOPATHIC INFLUENCE OF CASUARINA EQUISETIFOLIA L. ON GROWTH AND DEVELOPMENT OF RICE (ORYZA SATIVA L.). Kongunadu Research Journal, 4(2), 178-182. https://doi.org/10.26524/krj221

Abstract

Leaf extracts of Casuarina. equisetifolia L. was evaluated for its allelopathic influenced on rice cultivars viz. IR- 20 and TKM – 9. Leaf extracts was tested at 2.5, 5, 10, 15 and 20% concentration. Seed germination, shoot length, biomass, chl - a , chl- b, carotenoids, starch, protein and amino acid contents were significantly reduced by leaf extracts and highest inhibition was observed in 20% concentration. But at lower concentration (2.5%), the seedling growth was slightly enhanced than control. The higher degree of germination and growth inhibition was observed in cultivar TKM-9 than IR-20.

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