alexa ALLELOPATHIC EFFECTS OF EXTRACTS FROM TWO GROWTH STAGES


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Research Article

ALLELOPATHIC EFFECTS OF EXTRACTS FROM TWO GROWTH STAGES OF WHEAT ON WILD MUSTARD GERMINATION CHARACTERISTICS

Azar Movaghatian1* and Farhad Khorsandi2
  1. Department of Agroecology, Shahid Chamran University, Ahvaz, Iran
  2. Department of Soil Science, Darab Branch, Islamic Azad University, Darab, Iran
Corresponding Author: Azar Movaghatian, E-mail: [email protected]
Received: 05 May 2014 Accepted: 26 May 2014 Published: 07 June 2014
 
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Abstract

A laboratory experiment was conducted to investigate the allelopathic effects of wheat extracts from two growth stages on germination indices of wild mustard, a common weed in agricultural lands. The experimental design was completely randomized with five wheat water extract concentrations (0, 25, 50, 75 and 100%), two growth stages of wheat (flowering and maturity) and three replications. The results showed that wheat plant extracts from both growth stages had significant allelopathic effects on germination indices of wild mustard. The extracts from flowering stage had more significant effects on suppressing the germination characteristics of wild mustard than maturity stage. In general, all concentrations had inhibitory effects on germination indices, however, there was no significant differences between 50% up to 100% concentrations. The results indicate that utilization of allelopathic behavior of wheat extract is an effective method for biological control of wild mustard.

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