تأثير الرش بعنصر السليكون و حامض السالسليك على بعض الصفات الكيموحيوية و الإنتاجية لنخيل التمر Phoenix Dactylifera L. صنف الساير

الملخص EN

The study was conducted during the two growing seasons 2019-2020 in one of the Shatt Al-Arab orchards - Al-Kabbasi Al-Kabeer area to study the effect of spraying with silicon and salicylic acid and the interaction between them on the biochemical, physical and productivity characteristics of the Al-Sayer date palm.

Two concentrations of silicon (200 and 400) mg.

L-1 and two concentrations of salicylic acid (50 and 100) mg.

L-1 were used in the study.

The results showed that the overlapping effect of silicon and salicylic acid in the treatment SA100+Si 200 was significantly superior in all the studied traits, namely, the physical and productive traits including fruit length and weight, kernels weight, and fruit flesh weight and bunch weigth (4.02 cm, 5.98 g, 1.01 g, 4.88 g, 7.74 kg) respectively.

In addition, the biochemical characteristics that included the leaves content of plant pigments, chlorophyll a and b and carotene (6.01, 2.86, 3.08) mg.100gm-1, respectively.

As well as the content of carbohydrates and protein (38.12, 2.95 mg.

gm-1, respectively).

The results also showed that the single effect of salicylic acid at a concentration of 100 mg.

L-1 was superior to the single effect of silicon at a concentration of 200 mg.

L-1, which gave the highest single effect compared to the control treatment.