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Effect of Supplementary Irrigation with Saline Water on Characteristics of Sabz Cultivar Fig
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Hamid Zare   , Hamid Reza Sharifzadeh , Mohammad Javad Rousta |
| Agricultural Research, Education and Extension Organization (AREEO) |
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Abstract: (111 Views) |
Supplementary irrigation in the fig orchards of the shores of Bakhtegan Lake in Estahban is done with saline water. This research was carried out to investigate the effect of saline water on vegetative and reproductive characteristics of fig trees. The randomized complete block design was performed with irrigation water salinity treatments (2, 4, 6 and 8 dS.m-1) in two irrigation intervals (once every 15 and 30 days) with a non-irrigation treatment (control) on Sabz cultivar in three replications at Khanehkat village in the years 2018 to 2021. The results showed that irrigation with 8 dS.m-1 salinity had adverse effects and it was an unsuccessful treatment compared to the other treatments with lower salinity irrigation. The highest abnormality symptoms in vegetative and reproductive factors were observed in the control treatment. Also, this treatment has the lowest relative water content (58.6%), diameter (26.6mm) and weight (4.3g) of fruit, the least yield (4935g) and the percentage of first-class commercial fruits (Open ostiole, white and large fruits) and the highest leaf ionic leakage (27.1%), which was significantly different from most of the treatments. There was a great similarity in the characteristics of trees treated with 8 dS.m-1 saline water and without irrigation. Therefore, supplementary irrigation with this salinity is not recommended. In conclusion, supplementary irrigation with saline water less than 6 dS.m-1 had suitable quantity and quality of fruit and the least abnormality signs. So, Sabz cultivar can tolerate until this amount of salinity. |
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| Keywords: Figs, Irrigation interval, Quality, Water salinity |
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Full-Text [PDF 712 kb]
(55 Downloads)
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Type of Study: Research |
Subject:
Pomology
Received: 2022/07/17 | Accepted: 2022/10/21 | Published: 2023/12/10
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