Allelopathic Effect of Aqueous extract of Fenugreek Seeds (Trigonella foenum – graecum L.) on Growth and Yield Components for Two Wheat Cultivars

Abstract

The present study was carried out in silk green house (Biology Dept. College of Education University of Mosul), for the winter season 2007-2008, to study the seeds aqueous extract effect of Fenugreek on growth and yield components of two wheat cultivars (Adnanya and Sham 6) treated with concentrations (0, 0.5, 1, 1.5, 2) %. The results showed that the seeds aqueous extract caused stimulated effects especially at concentration 1.5%, through the effects on some characters (plant height, branches number ,leaf area, grains numbers spike, spike weight, dry weight, weight of one hundred grain, % R.W.C., total chlorophyll content and elements content of plant (Na ,K ,Ca and Mg ) compared with plants in control group (without spray). On the other hands, the cultivar Sham 6 was better than Adnanya in the some important growth characters studied especially leaf area, which effect on the grain numbers spike , spike weight and mineral elements. Keywords: Fenugreek seeds, allelopathy, wheat, aqueous extract