Diseases of date palms

Dates    None Given

Please help me to know the reasons for the emergence of these symptoms. Is the reasons based on plant pathology? Note I am waiting in the outer shell of the branches of the fruits which may show some of the symptoms .
Finally, I would like to thank you for giving me the opportunity to communicate with you very much

Posted by: Ibrahim Abbas Ezzeldin (3 points) Ibrahim Abbas Ezzeldin
Posted: March 26, 2016

Dr. Ravishankar Narayana commented,
Hi Ibrahim, Thanks for the good images. It will help us if you give more details about your problems. We need information like palm variety, weather conditions, fertilization and other agronomic practices you have followed. Also is there any symptoms on leaves?
over 4 years ago.


This looks like inflorescence rot "El Khamj" mainly caused by two plant pathogenic fungi: Mauginiella scattae (whitish or pink rot) and/or Thielaviopsis paradoxa (brown to black rot). The disease can be managed by targeted spraying of fungicides to the base of leaves (spath emergence points) prior to the emergence of spaths. Hope this helps.

Posted by: Adil Essarioui (4 points) Adil Essarioui
Posted: May 24, 2016

Ibrahim Abbas Ezzeldin commented,
Hi: Adil. I would like to thank you for your interest as your answer these doubts have suggested that these symptoms . i wish I could have Lab. for isolate the pathogen. Thank you. Ibrahim.
over 4 years ago.

There is a disease called wilt of fruit bunch that I detected in Saudi Arabia caused by F. moniliforme and causes symptoms related to that in the photos above. We treated this disease in many farms using fungicides that should be sprayed early at the time of flowering.

Posted by: Professor Dr. Mohamed El Meleigi (2 points) Professor Dr. Mohamed El Meleigi
Posted: November 30, 2016

Dr. Ravishankar Narayana commented,
Thanks for you answer. Yes, we too suspect it could be Fusarium moniliforme. We have tried to address this problem in another question. https://www.plantvillage.org/en/quest...
almost 4 years ago.

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