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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.

Symptoms

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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Last modified: 1/1/ 2007