Effect of Different Levels of Magnesium in Irrigation Water on Growth Parameters of Two Pistachio Bases

Subject Areas : Journal of Quality and Durability of Agricultural Products and Food Stuffs

Naghme  Bagheri ¹ (M.S, Department of Water Engineering, Kerman Branch, Islamic Azad University, Kerman, Iran)
Najme  Yazdanpanah ² (Associate professor, Department of Water Engineering, Kerman Branch, Islamic Azad University, Kerman, Iran Food and Agricultural Safety Research Center, Kerman Branch, Islamic Azad University, Kerman, Iran)
Naser  Sedaghati ³ (Assistant professor, Pistachio Research Center, Horticultural Sciences Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Rafsanjan, Iran)

Received: 2021-06-27 Accepted : 2021-09-13 Published : 2021-10-02

Keywords:

Abstract :

In order to study the effect of different levels of soluble magnesium in irrigation water on growth characteristics of pistachio seedling, a greenhouse experiment was conducted as the split-plot form in the frame of completely random blocks design in Rafsanjan Pistachio Research Centre. For this purpose, two factors including pistachio base as the main factor at two levels (Zarand Badami and Ghazvini) and magnesium concentration in irrigation water at five levels (0, 0.5, 1, 2, and 3 mM magnesium derived from magnesium sulfate source) were applied. Before the application of treatments (at the end of week 8)and 6 months after the implementation of treatments, all growth characteristics of pistachio seedlings such as shoot height, initial and final diameter of seedling's shoot, total dry weight were measured. Results showed that the most length of seedling's shoot and the initial and final diameter of the seedling's shoot occur in the magnesium concentration of 0.5 and 1 mM. As the magnesium concentration increased to the highest level of 3 mM, the length of the seedling’s shoots and also the initial and final diameter of the seedling's shoot decreased by 1.44 cm, 0.16, and 0.22 mm, respectively. In both pistachio bases, the highest total dry weight was observed at concentrations of 0.5 and 1 mM magnesium. Total dry weight decreased with increasing magnesium concentration to 3 mM. The findings of this study made it clear that a concentration of 0.5 to 1 mM is the best concentration of magnesium in irrigation water for the optimal growth of two pistachio bases.

References:

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