The effect of foliar application of kaolin, phosphorus and potassium on photosynthesis rate and some of its indices in pistachio plant cv.

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Kadkhoda Hediyeh; SHAMSHIRI MOHAMMAD HOSSEIN

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Journal: JOURNAL OF PLANT PROCESS AND FUNCTION Year:2020 | Volume:9 | Issue:35 Page(s): 303-315

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Title

The effect of foliar application of kaolin, phosphorus and potassium on photosynthesis rate and some of its indices in pistachio plant cv. "KalleGhouchi"

Author(s)

Kadkhoda Hediyeh | SHAMSHIRI MOHAMMAD HOSSEIN | Issue Writer Certificate

Keywords

KaolinQ2

phosphorusQ2

PhotosynthesisQ1

PistachioQ2

PotassiumQ1

Abstract

In an orchard experiment in 2016, the effects of foliar application of Kaolin, Potassium, phosphorus and their different combinations were examined on Photosynthesis parameters of 8-year-old Pistachio trees cv. “ Kalle-ghouchi” based on a randomized complete block design as factorial with two factors (spray treatments at 10 levels and samplind dates at 5 levels) with 3 replications. There were ten spray treatments including Kaolin 5%, P at two concentrations (1 and 2%), K at two concentrations(1. 5 and 3%), Kaolin 5%+ P 1%, Kaolin 5%+P 2%, Kaolin 5%+ K 1. 5%, Kaolin 5%+ K 3% and the control (use of distilled water). Foliar application of above treatments were performed in mid June when embryo growth started (the maximum demand for photoassimilates). Photosynthetic parameters (Photosynthesis and transpiration rate, stomatal conductance and sub stomatal CO2 concentration), chlorophyll fluorescence parameters (Fv/Fm and PI), photosynthetic pigments (chlorophyll a, b and total and total carotenoids) were measured in 5 stages (the first stage was one day after spray treatments and the others were performed with one week interval). The results showed that non of treatments could improve Photosynthesis parameters except Ci while chlorophyll fluorescence parameters were improved by Kaolin treatments and photosynthetic pigments were increased by most of experimental treatments. The result also showed that Photosynthesis and transpiration rate and stomatal conductance were increased with time whereas sub-stomatal CO2 concentration was decreased. Chlorophyll fluorescence indices and photosynthetic pigments were also increased with time. Totally, the effect of experimental treatments on photosynthetic parameters was less than we expectated.

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APA: Copy

Kadkhoda, Hediyeh, & SHAMSHIRI, MOHAMMAD HOSSEIN. (2020). The effect of foliar application of kaolin, phosphorus and potassium on photosynthesis rate and some of its indices in pistachio plant cv. "KalleGhouchi". JOURNAL OF PLANT PROCESS AND FUNCTION, 9(35 ), 303-315. SID. https://sid.ir/paper/383785/en

Vancouver: Copy

Kadkhoda Hediyeh, SHAMSHIRI MOHAMMAD HOSSEIN. The effect of foliar application of kaolin, phosphorus and potassium on photosynthesis rate and some of its indices in pistachio plant cv. "KalleGhouchi". JOURNAL OF PLANT PROCESS AND FUNCTION[Internet]. 2020;9(35 ):303-315. Available from: https://sid.ir/paper/383785/en

IEEE: Copy

Hediyeh Kadkhoda, and MOHAMMAD HOSSEIN SHAMSHIRI, “The effect of foliar application of kaolin, phosphorus and potassium on photosynthesis rate and some of its indices in pistachio plant cv. "KalleGhouchi",” JOURNAL OF PLANT PROCESS AND FUNCTION, vol. 9, no. 35 , pp. 303–315, 2020, [Online]. Available: https://sid.ir/paper/383785/en

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