EFFECT OF SALINITY OF IRRIGATION WATER ON GROWTH AND NUTRITIONAL STATUS OF MANGO NURSLINGS | ||||
| Journal of Plant Production | ||||
| Article 26, Volume 29, Issue 12, December 2004, Page 7347-7362 PDF (4.23 MB) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jpp.2004.238967 | ||||
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| Author | ||||
| M. T. Wahdan, | ||||
| Suez Canal Univ., Faculty of Agric., Dept. of Horticulture | ||||
| Abstract | ||||
| Two mango cultivars (Succary Abiad and lebda), were irrigated with five concentrations of saline water (0,500, 1000, 2000 and 4000 ppm). The irrigation solution was prepared from a mixture of NaCI + CaCh + MgS04 (1 : 1 : 1 wlwlw). A reduction in survival 0/0, vegetative growth (stem length, leaf number, leaf area, fresh and dry weight) was associated with increasing salinity in the irrigation water and this was greater in lebda cv. than Succary Abiad cv. The salinity treatments increased Na", cr and Ca·· concentrations in leaves of nurslings in both cultivars. The accumulation of sodium, chloride and calcium in the leaves was higher in respect to the more sensitive cultivar (lebda) than the tolerant cultivar (Succary Abiad). It was concluded that the difference in salinity tolerance was probably based on the ability of Succary Abiad to restrict Na" and cr from the leaves and so it can be used as a salt tolerante mango rootstock in saline soils. | ||||
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