Response of Pistachio Trees to Alternate Bearing and Foliar Application of Zinc and Iron

Soliemanzadeh, Akbar; Mozafari, Vahid

doi:10.1080/15538362.2013.818376

Cited by 6 publications

(2 citation statements)

References 22 publications

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“…Al-Rawi, Al.Aadethi and Abdul-Kareem (2016) report an increase in the foliar concentration of N-total and P, however, they did not observe significant changes for Zn when evaluating the application of 100 mg L -1 GA 3 for two years. A similar behaviour is reported in olive (Olea europaea L.) cultivar Ashrasi with GA 3 applications (100 and 200 mg L -1 ) (Soliemanzadeh;Mozafari, 2014). On the other hand, previous studies carried out on lemon (Citrus volkameriana L.) cultivar Volkamer (Tsagkarakis;Rogers;Spann, 2012) and tomato (Solanum lycopersicum L.) cultivar Raptor-F1 (Ramírez et al, 2018) indicate that there was no effect on the concentration of N-total, P, Zn6 with the application of 0.7 g L -1 and 50 mg L -1 PCa, respectively.…”

Section: Leaf Mineral Nutrientssupporting

confidence: 83%

Does the application of growth bioregulators improve the foliar concentration of nutrients, non-structural carbohydrates and yield in pecan?

et al. 2021

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Carya illinoinensis (Wangenh.) K. Koch. is a deciduous fruit species with high economic impact and nutritional value that exhibits alternate bearing behavior. In this study, the concentration of foliar nutrients, non-structural carbohydrates and yield were evaluated in cultivar Western Schley pecan in response to the foliar application of gibberellic acid (50 mg L-1 GA3), prohexadione calcium (500 mg L-1 PCa) and thidiazuron (10 mg L-1 TDZ).The statistical analysis reveals that between agricultural cycles, the treatments showed no variation in the foliar concentration of nitrogen total (N-total), potassium (K), calcium (Ca), magnesium (Mg), iron (Fe), copper (Cu), manganese (Mn) and non-structural carbohydrates (fructose, glucose, sucrose and starch). However, the application of PCa showed no significant effect on the concentration of phosphorus (P) (1.5 and 1.9 g kg-1). On the other hand, the concentration of zinc (Zn) (27.0-60.1 mg kg-1) showed a significant difference between years, with no effect due to the application of growth bioregulators. The trees treated with GA3 minimized alternate bearing by presenting similar values (12.4 and 15.3 kg tree-1) of yield. Likewise, the applied treatments did not affect the nut weight per kilogram (kg) (5.5-6.8 g) and kernel percentage (56.5-60.8). These data provide a new perspective on the complex nature of alternate bearing production in cultivar Western Schley pecan and are interpreted to indicate that alternate production could be regulated by carbohydrate reserve, nutrient concentration, and gibberellins.

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Section: Leaf Mineral Nutrientssupporting

confidence: 83%

Does the application of growth bioregulators improve the foliar concentration of nutrients, non-structural carbohydrates and yield in pecan?

et al. 2021

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“…Among these inorganic Zn sources, ZnSO 4 is more commonly used to eliminate Zn deficiency as compared to the other sources (Mortvedt, 1991) since ZnSO 4 is more soluble in water, cheap and easy to supply (Mortvedt, 1991;Schulte and Walsh, 1982). Previous studies revealed that foliar Zn treatments not only improve growth and development of fruit trees but also significantly influence fruit yields (Aglar et al, 2016;Ozturk et al, 2019a;Sahota and Arora, 1981;Soliemanzadeh and Mozafari, 2014). Foliar Zn treatments increase fruit carbohydrate levels and activate carbohydrate enzymes (Yogaratnam and Johnson, 1982).…”

Section: Introductionmentioning

confidence: 99%

Foliar Zinc Sprays Affected Yield and Bioactive Compounds of Granny Smith Apple

Erdem

Sahin

2021

International Journal of Fruit Science

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In this study, effects of foliar Zn sprays at different periods on yield, fruit quality attributes, bioactive compounds and micro-macro elements of 'Granny Smith' (Malus x domestica Borkh.) apples grafted on MM111 rootstocks were investigated. Experimental treatments were arranged as control (without Zn sprays), Zn-1 [Zn sprays 1 month after full bloom (when the fruit had a size of a walnut)], Zn-2 (Zn sprays 1 and 2 months after full bloom) and Zn-3 (Zn sprays 1, 2 and 3 months after full bloom). Experimental trees were sprayed with 0.2% Zn (ZnSO 4 .7H 2 O). Compared to control, Zn sprays increased yields. SSC values of Zn-2 and Zn-3 treatments were lower than the control and Zn-1 treatments. The total phenolics and total flavonoids of Zn-treated fruit were lower than the control fruit. The greatest vitamin C and antioxidant activity were obtained from Zn-2 and Zn-3 treatments, respectively. Zn-2 and Zn-3 treatments had greater zinc and phosphorus concentrations than the control treatments and Zn-sprayed fruit had greater nitrogen and potassium concentrations than the control fruit.It was concluded based on present findings that Zn treatments could be used as an effective tool to increase yield, antioxidant activity and mineral elements of 'Granny Smith' apples.

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Effects of Soil and Foliar Application of Zinc Sulfate On Yield and Quality Parameters in Hazelnut

Ete Aydemir,

Özkutlu

2024

Applied Fruit Science

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Response of Pistachio Trees to Alternate Bearing and Foliar Application of Zinc and Iron

Cited by 6 publications

References 22 publications

Does the application of growth bioregulators improve the foliar concentration of nutrients, non-structural carbohydrates and yield in pecan?

Does the application of growth bioregulators improve the foliar concentration of nutrients, non-structural carbohydrates and yield in pecan?

Foliar Zinc Sprays Affected Yield and Bioactive Compounds of Granny Smith Apple

Effects of Soil and Foliar Application of Zinc Sulfate On Yield and Quality Parameters in Hazelnut

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