Cracking and quality attributes of jujube fruits as affected by covering and pre-harvest Parka and GA3 treatments

Öztürk, Burhan; Bektas, Erdinc; Ağlar, Erdal; Karakaya, Orhan; Gün, Sefa

doi:10.1016/j.scienta.2018.06.004

Cited by 37 publications

(51 citation statements)

References 27 publications

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“…The maximum C vitamin contents (130.50) to examined in T1 and followed by the T2 (122.30) whereas the minimum vitamin C contents in T3 (120.65) in (Table 2) and the T4 (115.00) was recorded where the results by finding of the [24]. Contents in vitamin C in pruned first of May.…”

Section: Vitamin C Contentsmentioning

confidence: 87%

Influence of pruning on fruits production of jujube Ziziphus mauritiana Lam

Gola¹

2018

PAB

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This study was conducted at Horticultural Research Institute, at the Sindh Agriculture University Tandojam, during the period of (March 2014) the influence of pruning on fruits production of jujube. The experiment was the laid out in (RCBD) with the four replications. Hence there were total 20 plants. Four treatments were too applied T1 (pruning on 20 th May) T2 (pruning on 25 th May) T3 (pruning on 15 th June) T4 (pruning on 25 th June) and the maximum number of branch per tree (25 days to flowering) and (65 days blooming on 15 th August to 25 th on September) and the fruit weight (31.45 g) the maximum fruit size (30.50 mm2) highest sugar (6.22%) and the maximum vitamin-C contents on (130.50) Pruning in ber is required right from the year of planting. During the pre-bearing stage, it is done to build strong framework to bear the load and fruits. Pruning in Pakistan is to specific geographical location, in subtropical regions. It is done (15 th May) is most suitable pruning time to maximum fruits yield and quality in ber. The depending upon latitude while in tropical regions, depending upon the possibility of winter rainfall. In Northern Sindh like in Hyderabad, Khairpure Lahore, Faisalabad, and Bahawalpur division. It should be done before the end of May on Pruning and intensity levels of enhance the vegetative growth and fruit quality of ber.

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Section: Vitamin C Contentsmentioning

confidence: 87%

Influence of pruning on fruits production of jujube Ziziphus mauritiana Lam

Gola¹

2018

PAB

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“…In this study, the effects of five commonly used phytohormones-methyl jasmonate, salicylic acid, gibberellin, abscisic acid, and ethephon-on TAG accumulation in this diatom were investigated. All of these five phytohormones play important roles in the growth and development of the higher plants (Hara et al 2012;Vankova 2012;Muhammad et al 2013;Ozturk et al 2018;Thongkum et al 2018). They also participate in the signaling of biotic and abiotic stress responses in the higher plants (Hara et al 2012;Vankova 2012;Jiang et al 2018).…”

Section: Discussionmentioning

confidence: 99%

The influences of phytohormones on triacylglycerol accumulation in an oleaginous marine diatom Phaeodactylum tricornutum

Chu

Li²,

Cui

et al. 2018

J Appl Phycol

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Environmental stresses such as nitrate deprivation and high light are effective at increasing lipid content in microalgae, but they can also slow down and even stop growth. In this study, the phytohormones methyl jasmonate, salicylic acid, gibberellin, abscisic acid, and ethephon were introduced to cultures of the oleaginous marine diatom Phaeodactylum tricornutum in an attempt to increase growth and lipid production. Single-factor experiments showed that the influences of some of the phytohormones were closely related to their concentrations. Methyl jasmonate, abscisic acid, and salicylic acid promoted P. tricornutum growth and lipid accumulation at certain concentrations. The differing effects of the three phytohormones on P. tricornutum may be related to the respective phytohormone's responsive cis-regulatory elements in the upstream regions of the triacylglycerol (TAG) synthesis genes. Methyl jasmonate, abscisic acid, and salicylic acid were further studied in response surface experiments, through which a 141% increase in TAG production was attained for 10-L cultures of P. tricornutum grown under optimal conditions. This study suggests that some phytohormones can promote P. tricornutum lipid accumulation without hindering growth. It also provides another strategy for improving the production of microalgae for use as biodiesel.

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“…The highest values at the end of the cold storage were recorded with GA3 application while the lowest values were obtained with the control application. However, Aglar et al (2018) found that in sweet cherry, the pre-harvest Parka application had no effect on total phenolics and antioxidant activity during storage. At the end of the study, it was concluded that higher quality fruit were obtained with pre-harvest GA3 and Parka applications had positive effects in reducing the quality losses in the cold storage.…”

Section: Bioactive Compoundsmentioning

confidence: 91%

Changes of quality traits and phytochemical components of jujube fruit treated with preharvest GA3 and Parka during cold storage

Karakaya¹,

Ağlar²,

Öztürk³

et al. 2020

Turk J Food Agric Sci

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The study aimed to assess the effects of pre-harvest gibberellic acid (GA3) and Parka applications on fruit quality and bioactive components of jujube (Ziziphus jujuba Mill. cv. ‘Li’) fruit during the storage. Fruit were kept at 0±0.5 °C and 90±5% RH for 45 days. Parka and GA3 applications delayed weight losses and respiration rate in the cold storage. While the effect of the Parka application on the decrease in fruit firmness values depending on the storage time was not significant, it can be said that GA3 application was effective in maintaining the fruit firmness in the cold storage. The increase in soluble solids content (SSC) during cold storage was less with GA3 application. The decrease in titratable acidity with ripening in the cold storage was similar in the Parka and control applications. It can be said that GA3 application was effective in maintaining the titratable acidity during storage and this effect increased with the combination of Parka+GA3. The highest vitamin C at the end of the storage was recorded in fruit treated with Parka. Total phenolics, total flavonoids and antioxidant activity decreased in all applications during the storage. GA3 and Parka applications retarded the losses in total phenolics, total flavonoids and antioxidant activity in the storage. As a result, it can be said that the pre-harvest GA3 and Parka applications give positive results in maintaining the quality properties of jujube fruit in the cold storage.

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Cracking and quality attributes of jujube fruits as affected by covering and pre-harvest Parka and GA3 treatments

Cited by 37 publications

References 27 publications

Influence of pruning on fruits production of jujube Ziziphus mauritiana Lam

Influence of pruning on fruits production of jujube Ziziphus mauritiana Lam

The influences of phytohormones on triacylglycerol accumulation in an oleaginous marine diatom Phaeodactylum tricornutum

Changes of quality traits and phytochemical components of jujube fruit treated with preharvest GA3 and Parka during cold storage

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