الفهرس 
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Abstract
This study was conducted during 2013 and 2014 seasons in a private date palm orchard situated at village El Dakhla district New Valley Governorate 48 years old Saeidy date palm (semi- dry date palm cv.) These palms produced through conventional propagation by offshoots as well as characterized by regular bearing. The selected palms are uniform in vigour healthy, good physical conditions, free from insects, diseases and damages. They planted at 6 x6 meters apart (116 palms/ feddan). The selected palms were irrigated with well water ( 600 ppm) through surface irrigation system. The texture of the soil is sandy clay.
Four sprays before hand pollination (1st week of Feb.), just after fruits setting (2nd week of Mar.) and at one month intervals (2nd week of Apr and May with a mixture of 0.1% salicylic acid besides 2% seaweed extract was responsible for improving yield and fruit quality of Saeidy date palms grown under New Valley environmental conditions.