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Khaled Al-Abdulsalm

Khalid Alhudaib



Phytoplasma Diseases of Date Palm


        This disease of Date Palm was reported in Saudi Arabia by (Nixon 1954), to be unknown cause, but in that time people call it Al-Wijam. This disease was found in Eastern Province of Saudi Arabia. In middle of 80's scientists suggested that Al-Wijam disease may be caused by mycoplasma-like organisms MOL (presently known as Phytoplasmas).

In bottom this page you will see some symptoms of Phytoplasma in Date Palm.


Click in pictures

Yellow streak on the midrib of leaf.  Also malformed on the pinnate of leaf



Fruits formed do not attend their normal size. Also you can see yellow streak on bunches of date palm.  


Healthy Date Palm tree with fruits.


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Copyright 1998 - 2006 Khalid A. Alhudaib
Last modified: 1/1/ 2007