Share
تاثير الرش ببعض مضادات الاجهاد البيئي في بعض الصفات الفسيولوجية والتشريحية والانتاجية لنخيل التمر Phoenix dactylifera L. صنف الحلاوي == Effect of Spraying Some Environmental Stress Compounds on Some Physiological and Anatomical and Productivity Characters of Phoenix dactylifera L. CV. Hillawi
Author name:
منتهى عبد الزهرة عاتي سدخان
Supervisor name:
عل حسين محمد الطه
General topic:
Agricultural sciences
Specific topic:
Plant
Degree:
Doctorate
University:
University Of Basrah - Faculty Of Agriculture
Language:
Arabic
University location:
Basrah
First pages:
31T1866 - p.pdf
Abstract:
This study was conducted in a private orchard at Abu El - Khasseb District, Basrah Governorate during the growing seasons of 2014 and 2015 to investigate the effect of foliar spray of some environmental stress compounds of Fegeamino and Drin at concentrations of (2 and 4 ) ml.L - 1 and Ascorbic Acid at concentrations (500 and 1000)mg.L - 1 on some biochemical , anatomical characters and yield components of date palm cv. Hillawi during the ripening stage of Khalal , Rutab and Tamir. Results showed that Ascorbic Acid treatment at 500 mg.L - 1 recorded significant increases in fruit and flesh and seed fresh weight of the first season, fruit length and diameter of both seasons , moisture content of the first season , dry matter percentage of the second season , potassium to sodium ratio and thickness of inner mesocarp ,whereas Ascorbic Acid treatment at 1000 mg.L - 1 had significant increases in fruit total acidity of the second season , total chlorophyll and carotene pigments concentration of leaf ,proline concentration of leaf , peroxidase activity of leaf , exocarp and outer mesocarp thickness of fruit , bunch weight and total yield of tree at Tamir stage . Results showed also that Drin treatment at 2 ml.L - 1 recorded significant increases in vitamin C concentration of leaf, phosphorus and potassium concentration of leaf , peroxidase activity of fruit , tannin layer thickness, and fruit ripening percentage at Tamir stage , whereas Drin treatment at 4 ml.L - 1 had significant increases in fruit dry matter percentage of the first season , total soluble solids of the second season, free amino acids at Rutab stage , soluble protein of fruit at Khalal stage , total carbohydrates of leaf , nitrogen concentration , ,total chlorophyll concentration of fruit, catalase activity of leaf and fruit, and number of cells in mm2 of inner mesocarp. Fegeameno treatment at 2 ml.l - 1 gave significant increasesin fruit and flesh fresh weight of the second season , fresh weight ,gibberllins concentration, carotene pigment concentration of fruit , cell length and width ,whereas Fegeamino treatment at 4 ml.L - 1 had significant increases in seed weight of the second season , auxins , abscic acid concentration and vitamin C of fruit . Control treatment had significant increases in fruit moisture content of the second season , total soluble solids and total acidity of the first season, soluble protein of leaf and potassium to sodium ratio of leaf . Once and twice and trice sprays of trees with environmental stress compounds gave significant increases in most of the studied characters .Results of the most influencail bio - combination treatments were Fegeamino at 2ml.L - 1 with once spray which gave significant increases in fruit and flesh and seed fresh weight of the second season, fruit length of the first season and cell length ,whereas Fegeamino treatment at 2ml.L - 1 and twice spray gave significant increases in fruit ripening percentage , fruit soluble protine ,leaf potassium to sodium ratio, vitamin C of fruit and cell width , and Fegeamino treatment at 2ml.L - 1 and trice spray had significant increases in fruit dry matter percentage of the first season, carotene pigment concentration, gibbirellins concentration , exocarp thickness and number of cell in mm2 of inner mesocarp.Drin treatment at 4 ml.L - 1 and trice spray increased significantly fruit total acidity, free amino acids , fruit total chlorophyll and carotene pigment concentration and, catalase activity . Ascorbic Acid treatment at 500 mg.L - 1 with twice spray increased significantly fruit and flesh fresh weight of the first season, fruit length and diameter of the second season , and leaf soluble protein , whereas Ascorbic Acid treatment at 1000 mg.L - 1 and trice spray increasedsignificantly bunch weight , total yield, peroxidase activity of leaf and fruit, and catalase activity of leaf. Control treatment of bio - combination gave significant increases in fruit moisture content of the second season and total soluble solids of fruit .Results of protein pattern showed the occurrence of deferential gene expression in which a number of bands appeared on the gel were differed in numbers and location depending on type of treatments .
