THE EFFECT OF SOME TREATMENTS ON TOTAL CHLOROPHYLL AND NEW LEAF LENGTH OF DATE PALM VARIETY BARHI DURING THE ACCLIMATIZATION STAGE | ||||
| Menoufia Journal of Plant Production | ||||
| Article 9, Volume 10, Issue 4, April 2025, Page 57-63 PDF (476.92 K) | ||||
| Document Type: original papers | ||||
| DOI: 10.21608/mjppf.2025.375340.1069 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
M. A. Hegazy, A.  ; M. R. M Rabih,
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| Faculty of Agriculture – Horticulture Department - Menoufia University- EGYPT | ||||
| Abstract | ||||
| This study evaluated the effects of sodium nitrophenolate (SNP) and N-Acetyl-Thiazolidine-4-carboxylic acid (AATC) treatments on leaf morphology and chlorophyll content in date palm (Phoenix dactylifera L., Barhi cv.) over an 18-month period. Seven treatments, including varying concentrations of SNP (0.1, 1, and 10 ppm) and AATC (0.1, 1, and 10 ppm), were assessed alongside a control. Results demonstrated significant improvements in leaf length, width, and chlorophyll content, with distinct dose-response relationships. SNP 10 ppm exhibited the highest mean leaf length, representing a 371% increase over control, while SNP 0.1 ppm and AATC 0.1 ppm produced the greatest enhancements in leaf width, respectively and chlorophyll content. AATC treatments showed an inverse dose-response for width and chlorophyll accumulation, indicating potential over-inhibition of ethylene at higher concentrations. Overall, both compounds elicited rapid and sustained morphological improvements, underscoring their value in enhancing vegetative growth and photosynthetic capacity. These findings support the strategic use of SNP and AATC in sustainable date palm cultivation to promote early vigor and long-term productivity | ||||
| Keywords | ||||
| Date palm; Acclimatization; Nutrition; Auxin; Plant growth regulator; Ex vitro | ||||
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