تأثير مستخلصات أجزاء مختلفة لسبعة أدغال معمرة في إنبات و نمو الحنطة Triticum aestivum L.

الملخص EN

This experiment was carried out at the laboratories of Agriculture College, University of Baghdad to examine the effect of different concentration of aqueous shoot and root extracts of Typha angustata, Cynodon dactylon, Dichanthium annulatum, Phragmites communis, Sorghum halepense, Paspalum distichum and Imperata cylindrical on germination and growth of wheat Triticum aestivum var.

Abu-Ghraib-3.

The result obtained indicated that the effects of extract, on the studied characteristics (germination, length and dry weight of shoots and roots of wheat) differed according to the differences in concentrations of the extracts of the vegetative or underground parts of the seven weeds.

Where some treatment had negative effect (such as Sorghum halepense) and other had positive effect (such as Imperata cylindrical ).

The effect of the extracts increased as the concentration increased.

The effect of the extracts of the underground parts of the different weeds had an effect higher than the aerial parts.