Effects of foliar applications of zinc and boron nano-fertilizers on pomegranate ( Punica granatum cv. Ardestani) fruit yield and quality

Davarpanah, Sohrab; Tehranifar, Ali; Davarynejad, Gholam Hossein; Abadı́a, Anunciación; Khorasani, Reza

doi:10.1016/j.scienta.2016.07.003

Cited by 302 publications

(170 citation statements)

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“…Although no information on N sufficiency ranges in pomegranate are available to the best of our knowledge, leaf N concentrations lower that 2% are generally considered low in many fruit tree crops, including almond, apple, apricot, cherry, fig, lemon, and peach (Benton-Jones et al, 1991). Similar leaf N concentrations (in the range 1.73% to 1.94%) to those found here have been reported in Iranian pomegranate trees grown in the field without any fertilization (Hasani et al, 2012(Hasani et al, , 2016 or with a standard fertilizer management (Davarpanah et al, 2016a). In one of the main pomegranate crop areas in Turkey the N leaf concentrations in August were 2.2%, values higher than those found here (Korkmaz and Askin, 2015).…”

Section: Discussionsupporting

confidence: 88%

“…Antioxidant activity was determined using the DPPH (1,1-diphenyl-2-picrylhydrazyl) method (Brand-Williams et al, 1995), as described in Davarpanah et al (2016a). First, 100 mL of juice was diluted with 10 mL of methanol:water (6:4, v/v) (final ratio juice/ diluted methanol 1:100), and the diluted juice was mixed with 2 mL of 0.1 mM DPPH in methanol.…”

Section: Methodsmentioning

confidence: 99%

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Effects of Foliar Nano-nitrogen and Urea Fertilizers on the Physical and Chemical Properties of Pomegranate (Punica granatum cv. Ardestani) Fruits

Davarpanah¹,

Tehranifar²,

Davarynejad³

et al. 2017

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The aim of this study was to compare the effects of foliar fertilization with a nitrogen (N) fertilizer containing nanoparticles (nN) with those of foliar fertilization with urea on the characteristics of pomegranate fruits cv. Ardestani. The experiment was carried out using a completely randomized block design with five treatments and four replications (trees) per treatment during two consecutive years, 2014 and 2015. Two foliar applications of nN (0.25 and 0.50 g N/L, equivalent to ≈1.3 and 2.7 g N/tree or 0.9 and 1.8 kg N/ha; nN1 and nN2, respectively) and urea (4.6 and 9.2 g N/L, equivalent to ≈24.4 and 48.8 g N/tree or 16.3 and 32.5 kg N/ha; U1 and U2, respectively) were applied at full bloom and 1 month later, and trees not treated with any N fertilizer were used as a control. Results show that foliar N fertilization increased fruit yield (by 17% to 44%) and number of fruits per tree (by 15% to 38%). The highest fruit yields (17.8 and 21.9 kg/tree) and number of fruits per tree (62.8 and 70.1/tree) were obtained with the treatment nN2 (1.8 kg N/ha), whereas the lowest fruit yields (12.4 and 16.2 kg/tree) and number of fruits per tree (45.5 and 55.3/tree) were recorded in the control trees. The treatments U1 and nN2 increased fruit length (the latter only in the second season), whereas the treatment U1 increased average fruit weight (10% to 11%). The treatment nN2 increased aril juice and total soluble solids (TSS) in both seasons and titratable acidity (TA) only in the first one, whereas the treatment U1 increased TSS in both seasons and aril juice and TA in the second season. Treatments nN2 and U1 also increased total sugars and decreased total anthocyanins. On the other hand, fruit diameter, fruit cracking, peel thickness, aril content, weight of 100 arils, juice pH, maturity index, antioxidant activity, and total phenolic compounds were unaffected by N fertilization. Nitrogen fertilization increased the leaf concentration of N, whereas the leaf concentrations of P, K, Mn, and Zn were unaffected. Results indicate that pomegranate fruit yield was improved similarly with two applications (at full bloom and one month later) of nN fertilizer at a rate of 1.8 kg N/ha and with two applications of urea at a rate of 16.3 kg N/ha. Furthermore, fruit quality was improved more with the nN fertilizer at a rate of 1.8 kg N/ha than with two applications of urea at a rate of 16.3 kg N/ha.

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Section: Discussionsupporting

confidence: 88%

Section: Methodsmentioning

confidence: 99%

Effects of Foliar Nano-nitrogen and Urea Fertilizers on the Physical and Chemical Properties of Pomegranate (Punica granatum cv. Ardestani) Fruits

Davarpanah¹,

Tehranifar²,

Davarynejad³

et al. 2017

horts

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“…In this context, Davarpanah et al (2016) (Liu et al, 2009;Sirisena et al, 2013). Also, when Fe salt fertilizer was mixed with Mgnanoparticles, the yield of black -eyed pea increased 13.5% over the control (Delfani et al, 2014).…”

Section: Discussionmentioning

confidence: 99%

Foliar application of nano chitosan NPK fertilizer improves the yield of wheat plants grown on two different soils

Abdel-Aziz¹,

Hasaneen²,

Omer³

2018

Egypt. J. Exp. Biol. (Bot.)

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He b a M a h m o u d Mo h a m m a d A b d e l -A zi zM o h a m m e d N a g i b A b d e l -Gh a n y H a s a n e e n A ya Mo h e b O me r Foliar application of nano chitosan NPK fertilizer improves the yield of w heat plants grow n on tw o different soils ABSTRACT: Foliar application of nano chitosan nitrogen, phosphorus and potassium (NPK) fertilizer decreased the life cycle of wheat plants with the ratio of 23.5% (130 days for yield production from date of sowing). Treatment of wheat plants with nano chitosan NPK fertilizer induced signif icant increases in all yield parameters, as compared with control yield parameters of normal non -fertilized and normal fertilized NPK wheat plants. Transmission electron microscopy investigations showed that nanoparticles were present in phloem tissues whi ch mean that nanoparticles were taken up and transported through phloem route from leaves to stem down to roots. Clay-sandy soil showed better results than those obtained for clay soil. Foliar application of nano fertilizer to wheat plants proved to be important to improve yield parameters of wheat plants and shorten the life cycle of the crop. KEY WORDS:Nanofertilizers, Clay soil, Clay -sandy Soil, Uptake, W heat. CORRESPONDENCE:He

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“…48 Soluble sugar content in tomato juice was determined using the anthrone reagent method. 49 Size exclusion chromatography was performed on solutions of the SES using a Sephadex G-100 medium gel (Code No. 17-0060-02 Pharmacia Biotech AB).…”

Section: Methodsmentioning

confidence: 99%

Seaweed Extract Improved Yields, Leaf Photosynthesis, Ripening Time, and Net Returns of Tomato (Solanum lycopersicum Mill.)

et al. 2020

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Overuse of chemical fertilizers in the intensive greenhouse tomato cultivation system has limited the increase of plant production. Nowadays, seaweed extract has been gradually applied in agriculture as an effective way to achieve a higher yield of crops, but its effects on tomato cultivation have not been fully explored. In this study, a greenhouse experiment was conducted in Shandong province of China with a novel seaweed extract (SES) originated from Sargassum horneri, to investigate the effects of different doses of SES (0, 30, 60, and 90 kg hm −2 ) on yields, quality, ripening time, and net returns of tomato. The results indicated that the application of SES significantly increased tomato yield by 4.6−6.9% compared to the control, which is attributed to the improved photosynthetic capacity of tomato leaves. The yields of tomato increased first and then decreased with increasing dosage of SES, and SES applied at the dose of 60 kg hm −2 achieved the highest tomato yield. Compared to the control, SES at 60 and 90 kg hm −2 significantly increased the hardness of tomato by 10.2 and 19.8%, respectively, and this can help to reduce losses during transportation and storage. Moreover, SES shortened the ripening time of tomato, and the coincidence between tomato harvest and sale price peak achieved a high net return.See https://pubs.acs.org/sharingguidelines for options on how to legitimately share published articles.a Mean values followed by the same lowercase letter were not significantly different at the 0.05 probability level based on one-way analyses of variance (ANOVAs) followed by Duncan's multiple range tests within the same column. ACS Omegahttp://pubs.acs.org/journal/acsodf Article https://dx.

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Effects of foliar applications of zinc and boron nano-fertilizers on pomegranate ( Punica granatum cv. Ardestani) fruit yield and quality

Cited by 302 publications

References 38 publications

Effects of Foliar Nano-nitrogen and Urea Fertilizers on the Physical and Chemical Properties of Pomegranate (Punica granatum cv. Ardestani) Fruits

Effects of Foliar Nano-nitrogen and Urea Fertilizers on the Physical and Chemical Properties of Pomegranate (Punica granatum cv. Ardestani) Fruits

Foliar application of nano chitosan NPK fertilizer improves the yield of wheat plants grown on two different soils

Seaweed Extract Improved Yields, Leaf Photosynthesis, Ripening Time, and Net Returns of Tomato (Solanum lycopersicum Mill.)

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