Growth, yield, and calcium and boron uptake of tomato(Lycopersicon esculentum L.) and cucumber (Cucumis sativus L.) asaffected by calcium and boron humate application in greenhouse conditions

Ekinci, Melek; Esringü, Aslıhan; Dursun, Atilla; Yıldırım, Ertan; Turan, Metin; Karaman, Mehmet; Arjumend, Tuba

doi:10.3906/tar-1406-59

Cited by 20 publications

(19 citation statements)

References 54 publications

(77 reference statements)

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“…The Si + B foliar sprays resulted in higher Si and B content compared to the control and it probably happened due to greater assimilation of Si and B in the fruits and leaves. The B treatment increased the B content in cucumbers and in tomatoes (Kaya et al, 2011;Ekinci et al, 2015). As the tomato plants accumulated higher Si and B contents, the cell-wall thickness, fruit firmness and shelf life increased (Table 3).…”

Section: Scanning Electron Microscopy (Sem)mentioning

confidence: 99%

The effect of silicon and boron foliar application on the quality and shelf life of cherry tomatoes

Islam

Mele

Choi

et al. 2018

Zemdirbyste-Agriculture

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Silicon (Si) alone or Si + boron (B) foliar sprays at the maturity stage of light red of the cherry tomato cultivar 'Unicorn' were examined to determine the effect on the quality and shelf life. The foliar applications that were utilized in this study were: 20 mM Si alone from silicon dioxide (SiO 2 ), 20 mM Si from SiO 2 with 4.85 mM B from boric acid (H 3 BO 3 ) and distilled water as a control substance. The Si + B treatment resulted in the lowest respiration and ethylene production as recorded. The Si + B treated tomato fruits attained and retained the highest firmness as noted. Compared with the control, the Si + B treated fruits had less-soluble solids, higher titratable acidity, higher vitamin C content, and longer shelf life. The Si + B treated fruits and leaves had the highest Si and B content uptake. Therefore, Si + B foliar sprays increased and retained cherry tomato firmness, maintained soluble solids, maintained titratable acidity, increased the vitamin C content, prolonged shelf life, increased cellwall compactness, and increased Si and B accumulation as noted in the study.

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Section: Scanning Electron Microscopy (Sem)mentioning

confidence: 99%

The effect of silicon and boron foliar application on the quality and shelf life of cherry tomatoes

Islam

Mele

Choi

et al. 2018

Zemdirbyste-Agriculture

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“…Application of HA in the nutrient solution increased B accumulation in the eucalyptus root in relation to the control. B has the ability to form complexes with HS (B-Humate), favoring its acquisition by plants (EKINCI et al, 2015). Regarding B accumulation by eucalyptus seedlings, the response to the C-HA concentrations was HA source-dependent.…”

Section: Nutrient Accumulationmentioning

confidence: 99%

“…Ca together with P are the nutrient that strongly limit eucalyptus growth (VIERA et al, 2015). The association of Ca with HS gives rise to the CaActosol complex, which increased tomato yield and Ca uptake (EKINCI et al, 2015). According to Azcona et al (2011), with the increase in HA concentration, there was greater accumulation of Ca in pepper plants which was regulated by to the source of HA applied.…”

Section: Nutrient Accumulationmentioning

confidence: 99%

“…According to Pinheiro et al (2010), increase in HA concentration in nutrient solution drastically reduced accumulation of Fe, Cu, and Zn; however, for Mn, this effect was not so pronounced as for Fe, Cu, Zn and B; depending on the source, Mn accumulation improves when the concentration of 10 mg L -1 C-HA is used. Application of HA increasing macronutrient accumulation in plants is shown in greater magnitude for N, P, K, and Ca (AZCONA et al, 2011;EKINCI et al, 2015;MELO et al 2015;TAVARES et al, 2017), whereas, for S and Mg, this effect may be small or null (AZCONA et al, 2011;PINHEIRO et al, 2010).…”

Section: Introductionmentioning

confidence: 99%

“…Due to the difference between sources of HA currently available, many aspects still need to be clarified, especially the optimal concentration of HA, which is specific for each source of HA used (ROSE et al, 2014). HA can decrease (PINHEIRO et al, 2010), increase (CANELLAS et al, 2015;EKINCI et al, 2015;MELO et al, 2015;NARDI et al, 2016), or even not change nutrient uptake by crops, depending on the conditions and characteristics of the growth medium where the plants are grown. According to Pinheiro et al (2010), increase in HA concentration in nutrient solution drastically reduced accumulation of Fe, Cu, and Zn; however, for Mn, this effect was not so pronounced as for Fe, Cu, Zn and B; depending on the source, Mn accumulation improves when the concentration of 10 mg L -1 C-HA is used.…”

Section: Introductionmentioning

confidence: 99%

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Nutrient acquisition and eucalyptus growth affected by humic acid sources and concentrations

Morais

Silva

Rosa

2018

SCA

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Humic acid (HA) can increase eucalyptus growth due to its biostimulant effect and improvement in plant nutrient uptake. Magnitude of these stimuli varies according to the source, chemical composition, presence of bioactive fragments, and concentration of HA. The aim of this study was to evaluate the effect of HA sources and concentrations on dry matter, accumulation and uptake efficiency (UpE) of nutrients for eucalyptus seedlings cultivated in nutrient solution. A randomized block experimental design was adopted, with four replications, in a 3x4+1 factorial scheme, in which three sources of HA (HA-L1 and HA-L2, derived from different commercial HA extracted from leonardite with 0.5 mol L -1 NaOH and 0.5 mol L -1 KOH, respectively, and HA-Com, which was extracted from compost with 0.5 mol L -1 KOH) were combined with four concentrations of C-HA (5, 10, 25, and 100 mg L -1 ) as well as a control treatment in which eucalyptus was cultivated without HA. Eucalyptus seedlings were grown for 20 days, maintaining three plants per pot. At the end of the experiment, production of shoot dry matter (SDM), root dry matter (RDM), and total dry matter (TDM); the Root: Shoot dry matter ratio; and the accumulations of N, P, K, Ca, B, Cu, Fe, and Zn in the shoot and root were evaluated as well as the UpE of these nutrients by the seedlings. Maximum production of SDM was reached at the concentrations of 14 and 13.5 mg L -1 of C-HA, for HA-L1 and HA-Com, respectively. The RDM increased with the use of HA-Com, with optimal concentration of 55 mg L -1 of C-HA. Accumulation of Fe in the eucalyptus shoot decreased in HA-treated pots, compromising Fe translocation from the root to the shoot. Regardless of HA source used, Cu accumulation by plants diminishes as C-HA concentration increases. A greater growth of eucalyptus at concentrations lower than 15 mg L -1 of C-HA occurs more through the stimulus to shoot and root growth than due to greater acquisition and UpE of nutrients by plants. Use of high concentrations of C-HA requires greater concentration of some micronutrients in the nutrient solution tested. Key words: Nutrient uptake. Bioactivity of humic fragments. Organic-metallic complexes. Uptake efficiency of nutrients. Humic substances. ResumoO ácido húmico (AH) pode aumentar o crescimento do eucalipto devido a seu efeito bioestimulante e aumento da absorção de nutrientes pelas plantas. A magnitude desses estímulos varia conforme a fonte, composição química, presença de fragmentos bioativos e concentração de AH. Objetivouse, assim, avaliar o efeito de fontes e concentrações de AH na massa seca, aquisição e eficiência de absorção (EAbs) de nutrientes por mudas de eucalipto cultivadas em solução nutritiva. O experimento foi realizado em delineamento de blocos casualizados, com quatro repetições, em esquema fatorial 3x4+1, sendo testadas três fontes de AH (AH-L1 e AH-L2, derivados de diferentes produtos comerciais de AH, tendo como material de extração leonardita, sendo extraídos com NaOH 0,5 mol L -1 e KOH 0,5 mol L -1 , res...

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Effect of some osmoregulators on photosynthesis, lipid peroxidation, antioxidative capacity, and productivity of barley (Hordeum vulgare L.) under water deficit stress

Abdelaal

Hafez

El-Afry

et al. 2018

Environ Sci Pollut Res

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Water deficit stress is an abiotic stress that causes reductions in growth and yield of many field crops around the world. The present research was aimed to elucidate the mitigating efficiency of exogenous application of select osmoregulators and biostimulants, i.e., potassium dihydrogen phosphate, actosol® (humic acid), Amino more (amino acids), and Compound fertilizer, applied as a spray that reached both foliage and the soil, on growth characteristics, antioxidant capacity, and productivity of barley (Hordeum vulgare L. Giza123) under water deficit stress during two successive growing seasons of field experiments in Egypt. Water deficit resulted in stress as estimated by stress indicators and decreased growth and poor health and development as reflected in statistically significant decreases in chlorophyll a and b and major nutrient (NPK) levels in tissues, stem length, number of leaves, and fresh and dry mass as well as yield components such as spike length, grains per spike, biological yield, grain yield, and 1000-grain weight. As a response to water deficit stress, reactive oxygen species (ROS, i.e., superoxide and hydrogen peroxide) levels increased significantly resulting in lipid peroxidation and decreased membrane integrity and significant increases in antioxidant enzymes such as catalase (CAT), polyphenol oxidase (PPO), and peroxidase (POX). All four treatments alleviated the detrimental impacts of water deficit stress as evidenced by statistically significantly increased photosynthetic pigment concentration, tissue NPK levels, growth, and yield parameters compared to the water deficit-stressed control, while the stress responses were significantly reduced. The osmoregulators used either partially restored the growth and yield of osmotic-stressed barley plants or certain treatments enhanced them. All osmoregulators tested mitigated the adverse impacts of water deficit stress on barley plants, but the highest induction was found when plants were treated with actosol®. The beneficial effects of the osmoregulators tested were the strongest overall in the order actosol® ˃ potassium dihydrogen phosphate ˃ Amino more ˃ Compound fertilizer.

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Growth, yield, and calcium and boron uptake of tomato(Lycopersicon esculentum L.) and cucumber (Cucumis sativus L.) asaffected by calcium and boron humate application in greenhouse conditions

Cited by 20 publications

References 54 publications

The effect of silicon and boron foliar application on the quality and shelf life of cherry tomatoes

The effect of silicon and boron foliar application on the quality and shelf life of cherry tomatoes

Nutrient acquisition and eucalyptus growth affected by humic acid sources and concentrations

Effect of some osmoregulators on photosynthesis, lipid peroxidation, antioxidative capacity, and productivity of barley (Hordeum vulgare L.) under water deficit stress

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