Allelopathic potential of radish (Raphanus sativus L.) on germination and seedling growth of some plants species.

Solaf H. Rahman; Saman A. Rasul

doi:10.21271/ZJPAS.35.2.17

Authors

Solaf H. Rahman Department of biology, college of science, Soran university
Saman A. Rasul Department of Field Crops, College of Agriculture, Salahaddin University-Erbil, Kurdistan Region, Iraq

DOI:

https://doi.org/10.21271/ZJPAS.35.2.17

Keywords:

Allelopathy, Raphanus sativus L, Inhibition, Bioassay.

Abstract

The purpose of this study was to determine the allelopathic activity of shoot and root aqueous extracts of radish (Raphanus sativus L.) on germination and seedling growth of bread wheat (Triticum aesitivum L.), barley (Hordeum vulgare), wild barley (Hordeum spontaneum L.), and wild oat (Avena fatua L.). The concentration was used in this study were (0%, 15%, 30%, 45%, and 60%). The experiment was conducted in a sterilized Petri dish for 10 days at 22 °C, with the experimental units arranged in a randomized complete design. In general, the study's findings revealed the significant effects of concentration levels (15%, 30%, 45%, 60% compared to control treatments. The concentration 40% and 60% were completely inhibiting the seedling germination and growth while the lowest concentration 15% had the least negative effect on seedling growth and germination. Aqueous extract of shoot radish was more effective on seed germination than root of radish. So, all results recommended that the aqueous extract of shoot and root of radish may act as a bioherbicide to inhibit germination and seedling growth.

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