Effect of Salicylic Acid and Calcium Nitrate Spraying on Qualitative Properties and Storability of Fresh Jujube Fruit (Ziziphus jujube Mill.)

Zeraatgar, Hadi; Davarynejad, Gholam Hossein; Moradinezhad, Farid; Abedi, Bahram

doi:10.15835/nbha46110743

Cited by 18 publications

(6 citation statements)

References 53 publications

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“…Maximum (120.05 mg/100 g) total phenolic content was recorded in calcium nitrate @0.50% followed by calcium nitrate @0.25% (117.90 mg/100 g) whereas minimum (103.02 mg/100 g) was reported in control. These results were harmony with the findings of Zeraatgar et al (2018) who reported increased in total phenolic content of jujube fruit with application of 1% calcium nitrate over control. The reason for higher total phenolic content with the foliar application of calcium nitrate may be due to fact that calcium compounds strengthen cell walls, maintains as well as control selective exchange of gas and ion.…”

Section: Methodssupporting

confidence: 90%

Impact of mineral nutrients on powdery mildew and quality attributes in umran ber (Ziziphus mauritiana)

Bons

Singh

2022

Indian J Agri Sci

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An experiment was conducted at the Fruit Research Farm of Punjab Agricultural University, Ludhiana, Punjab during 2019–20 to study the impact of mineral nutrients on fruit drop, powdery mildew and quality attributes of ber (Ziziphus mauritiana Lam.) cv. Umran. A 15 year’s old ber plants were sprayed with nutrients like calcium nitrate @0.25 and 0.50%; potassium sulphate @0.25 and 0.50%; boric acid @0.40 and 0.60% and liquid sulphur @0.25 and 0.50% along with control (water spray) during mid-November, mid-December and mid-January (2019–20). Fruit drop and powdery mildew incidence was recorded periodically from November-March. Ber fruits were analysed for physical and bio-chemical parameters after harvesting. Among all the foliar applications, potassium sulphate @0.50% resulted in minimum fruit drop (65.52%). Maximum fruit length (4.86 cm), fruit diameter (3.06 cm), pulp content (93.96%) and fruit colour values (59.50, -4.0 and 33.46) was also recorded in potassium sulphate applied @0.50%. Maximum TSS (15.63 0B), TSS/acid ratio (120.23), ascorbic acid content (110.25 mg/100 g), total sugars (12.70%), reducing sugars (5.75%), non-reducing sugars (6.60%) and minimum titrable acidity (0.130%) was recorded with boric acid @0.60% which was statistically at par with potassium sulphate @0.50%. However, minimum incidence of powdery mildew was observed in liquid sulphur (0.50%) followed by potassium sulphate (0.50%). From the present studies, it is concluded that 3 foliar applications of potassium sulphate @0.50% resulted in improved quality attributes, reduction in fruit drop as well as reduced incidence of powdery mildew in ber cv. Umran.

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Section: Methodssupporting

confidence: 90%

Impact of mineral nutrients on powdery mildew and quality attributes in umran ber (Ziziphus mauritiana)

Bons

Singh

2022

Indian J Agri Sci

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“…Preharvest application of salicylic acid maintains apple fruit physicochemical quality through increasing the action of antioxidant enzyme and total phenols content (Supapvanich, Mitsang, & Youryon, 2017). The researchers demonstrated that the use of salicylic acid (4 mM) significantly improved the postharvest quality of Chinese jujube ( Ziziphus jujube Mill) fruit (Zeraatgar, Davarynejad, Moradinezhad, & Abedi, 2018).…”

Section: Introductionmentioning

confidence: 99%

Effect of preharvest application of calcium chloride, putrescine, and salicylic acid on antioxidant system and biochemical changes of two Indian jujube genotypes

2020

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The effects of the preharvest application of calcium chloride (1 and 2%), salicylic acid (1 and 2 mM), and putrescine (1 and 2 mM) on the quality attributes and biochemical changes of two ber (Ziziphus mauritiana Lamk.) genotypes ("Sibi" and "Khormaee") were investigated at harvest and after 30 days of storage (5 ± 1°C and 85 ± 5% RH). The results showed that softening and weight loss in the treated fruit were significantly lower in comparison with the control. The antioxidant capacity of the fruit was higher in treated fruit than the control. Moreover, all the treatments significantly reduced the polyphenol oxidase (PPO) activity, increased the catalase (CAT) and peroxidase (POD) activities, and prevented the quick color change of ber fruit. The best overall visual quality (OVQ) was observed in the fruit treated with calcium chloride (1.5%) and putrescine (2 mM). Compared to the two genotypes, "Khormaee" showed a better appearance, relative to the "Sibi" genotypes. Practical applications Ber (Ziziphus mauritiana Lamk.) fruit is a popular fruit which is cultivated widely in the tropical and subtropical countries of the world, due to its high nutritional value. It is rich in bioactive compounds and minerals. However, Indian jujube as a climacteric fruit is highly perishable and have a limited shelf life due to softening, browning, and shrinking. So that, the researchers still need more challenge to keep the quality of this fruit for consumers. In this study, the results showed that the preharvest application of calcium chloride (1.5%), putrescine (2 mM), and salicylic acid (2 mM) effectively kept the total quality of the Indian jujube fruit during storage by improving the firmness of the fruit, retarding the color change and browning, increasing the antioxidant enzymes such as; CAT and POD, and preserving the higher ascorbic acid. Therefore, these treatments can be useful to maintain the quality of Indian jujube during storage.

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“…At the end of 35 days of storage period fruits received two sprays Ca(NO ) @ 2.0 % recorded 8.38 % higher phenolics content 3 2 in comparison to control fruits. This signifies the efficacy of two sprays Ca(NO ) @ 2.0 % in maintaining the phenolics 3 2 content as calcium compounds strengthen the cell walls, maintains the selective exchange of ions and gases (Zeraatgar et al 2018), prevents the leaching of polyphenol compounds, therefore causing reduction in the oxidation of phenols (Turmanidze et al 2016). Reducing and non-reducing sugars: Sugars have a critical role in determining the palatability of the fruits.…”

Section: Resultsmentioning

confidence: 99%

Pre-harvest Application of Calcium Maintained Fruit Quality in Cold Stored Plum

2022

IJE

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: An experiment was conducted to study the influence of pre-harvest applications of different concentrations of calcium nitrate on various physico-chemical parameters of plum ( L.) Satluj Purple under cold storage conditions. Uniform and healthy plants Prunus salicina cv. of plum Satluj Purple were sprayed with calcium nitrate (1.0, 1.5 and 2.0 %) in 2 and 3 week of April and control plants were water sprayed cv. nd rd only. Fruits from both treated and control plants were harvested at colour break stage, and then stored at low temperature conditions (0–1 °C and 90–95 % RH) for 35 days. Evaluation of different physico-chemical parameters were made on 0 day and after 7, 14, 21, 28 and 35 days of storage. The results revealed that two sprays of Ca(NO ) @ 2.0 % retained maximum pulp: stone (15.37), total soluble solids (12.93 %), 3 2 titratable acidity (0.69 %), reducing (6.52 %) & non-reducing sugars (2.64 %) and total phenolics content (101.19 mg 100g ) at the end of -1storage. The fruits treated with two sprays of Ca(NO ) @ 2.0 % were effective in maintaining the quality of fruits without any spoilage up to 35 3 2 days under low temperature storage conditions.

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Effect of Salicylic Acid and Calcium Nitrate Spraying on Qualitative Properties and Storability of Fresh Jujube Fruit (Ziziphus jujube Mill.)

Cited by 18 publications

References 53 publications

Impact of mineral nutrients on powdery mildew and quality attributes in umran ber (Ziziphus mauritiana)

Impact of mineral nutrients on powdery mildew and quality attributes in umran ber (Ziziphus mauritiana)

Effect of preharvest application of calcium chloride, putrescine, and salicylic acid on antioxidant system and biochemical changes of two Indian jujube genotypes

Pre-harvest Application of Calcium Maintained Fruit Quality in Cold Stored Plum

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