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Paper Information

Journal:   JOURNAL OF PLANT PRODUCTION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)   2017 , Volume 24 , Number 3 ; Page(s) 1 To 10.
 
Paper: 

EFFECTS OF DILUTED SALINE WATER BY WASTEWATER ON VEGETATIVE TRAITS AND SOME PHYSIOLOGICAL TRIATS OF ROOTED CUTTING POMEGRANATE CV. MALAS-E YAZDI

 
 
Author(s):  SOLTANI GERDFARAMARZI V.*, JAFARI A., KAMALI K., VAZIFEHSHENAS M.R.
 
* ARDAKAN UNIVERSITY AND RESEARCHER OF NATIONAL SALINITY RESEARCH CENTER, YAZD, IRAN
 
Abstract: 

Background and objectives: Pomegranate (Punica granatum), is one of the horticultural crops with great medicinal properties and compatible with warm and dry conditions. Although the fruit trees are resistant to the deficit, but regular irrigation is important in increasing the quantity and quality of its product. Despite the shortage of water resources, salinization of groundwater resources due to decreased rainfall and the presence of nutrients in the wastewater may be blending it with saline water to reduce the negative impacts of salinity and crop production be maintained in these conditions. This research was carriedout in order to effects of diluted saline water wastewater rooted catting pomegranante.
Materials and methods: This project was carried out in order to use the blend of these two unconventional water resources (saline water and wastewater) for irrigation of one year rooted cuttings pomegranate Malas-e Yandi with 8 treatments and 3 replications in format of randomized complete design. After planting and 3 months establishment of rooted pomegranate cuttings two water treatments in 4 salinity levels (control=1.2, 4, 7 and 10 ds/m) with diluting of saline water by fresh water (treatment of water without wastewater) as well as diluting of saline water by wastewater (treatment of water with wastewater) were gradually applied as treatments. After 4 months of treatment application, at the end of experiment, some vegetative and physiological characteristics of cuttings were measured. Data were analyzed using SAS software and comparisons of mean data were carried out using LSD method.
Results: The results showed that the wastewater treatment had not negative effect on electrical conductivity of soil saturation extract. Also, wastewater had not effect on vegetative traits such as height, crown size, surface area and number of leaves as well as leaf temperature, electrolyte leakage and proline, soluble sugar and leaf relative water content. But, salinity treatments had the significant effects on these triats.
Conclusion: Treated wastewater had not negative effect on pomegranate growth, so we can use it for diluting saline water down to 7 dS/m. It seems that pomegranate tree can overcome early effect of salinity (soil water potential decrease) in saline conditions by reduction level of the leaves (transpiration reduction) and no change in soluble sugar and proved leaf relative water content.

 
Keyword(s): HEIGHT, PROLINE, SALINITY, SOLUBLE SUGAR, WASTEWATER
 
References: 
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