التأثير الأليلوباثي التثبيطي (Allelopathic)‎ لشجرة الجوز في الغطاء العشبي في بساتين الجوز و التفاح في محافظة اللاذقية-سورية

Abstract EN

The aim of this Sudy was Sudying the allopathic effect of walnut tree Juglans regia by comparing the cover plant in both Apple and Walnut orchards in Eramo region/Syria.

During of the beginning of March to the end of August (2013).

The samples were taken from three locations of Apple and Walnut by using square (1x1) m2.

The result showed that weeds in both Apple and Walnut were varying of each other in number and kind.

Where the number of weeds that were recorded only in Walnut orchards was 8, while that recorded juS in Apple was 14, and the weeds that exiting in both Apple and Walnut were 4.

This difference belongs to Allelopathic effect of Walnut trees on the families and species of weeds.

The weeds that appear in Walnut only considered as resi^ant species, and which appear only in Apple considered as sensitive species, and those appear in both Apple and Walnut considered as tolerance species, In the same geographic and environmental condition.

It follows from this research the possibility of cultivation of some plant species such as Medicago ploymorpha and Vicia hybrid as fodder crops in walnut orchards and that because of its high ability to tolerant of Allelopathic effect of walnut trees.