مسح بيئي جغرافي لنبات الدبق Viscum album L. في منطقة القلمون سورية و دراسة إنبات بذوره

الملخص EN

Mistletoe (Viscum album L.) prevails in Qalamoun area (Syria) on a number of hosts.

The eco-geographical survey shows the scarcity of mistletoe.

It has been reported on seven hosts, mainly on Prunus amygdalus (L.) Stokes and Amygdalus oreintalis Boiss.

The best period for planting seeds of mistletoe is during December and January.

The highest percentage of germination was 92 % in January, and the lowest was 44.4 %.

in October.

The results showed that Nabik’s climatic conditions are suitable for growing mistletoe hosts.

The highest ratio of germination was in full light, decreasing in slight shade, and the lowest percentage was in dark, (84.7, 43.7 and 1 %) respectively.

The darkening at germinating stage plays a significant role in determining the ratio of parasitism success, that was high after complete germination (92.5 %) and low (15.8, 9.2, 2.5 %) when dark at the beginning and squaring of germination, and at planting seeds, respectively.

The results showed that mistletoe seeds are polyembryonic.

A high percentage of seeds (66.7 %) has two embryos, while (32.6 %) has a single embryo and a very small percentage has three cmbryos.