حساسية أصناف مختلفة من نخيل التمر Phoenix dactylifera L. بالإصابة بمرض خياس طلع النخيل في بعض مناطق البصرة

الملخص EN

This study was carried out to determine the susceptibility of different cultivars of date palm Phoenix dactylifera L.

which were : Barhee, Hillawii, Breim, Sayer(as female cultivars) Gannami Akhader and khakri Adie(as male cultivars) to the infection with date palm inflorescence rot caused by the fungus Mauginiella scaettae Cav.

in different locations in Basrah province which were Abu Al-Khasseb, Al-Deer, Qurna, and Shatt Al- Arab during the 2006-2007.

Results of study revealed that the highest infection percentage was recorded in Gannami Akhader 12.50 % with significant difference than other cultivars, while the lowest percentage 2.29 % recorded in Barhee cultivar.

Shatt Al-Arab location had the highest percentage of infection with inflorescence rot disease and reached 9.58 %, while Abu Al-Khasseb location had the lowest percentage 7.07 %, the percentage of infection with this disease increased significantly during cultivation season 2007 and reached 8.88 % in contrast with 2006 season 7.08 %.

About the distance of water resource, results revealed the date palm trees cultivated close to water resource 50 m was most susceptible to the infection 11.28 %, than 150 m 4.82 %, for all tested cultivars and locations.