Evolution of watermelon fruit physicochemical and phytochemical composition during ripening as affected by grafting

Soteriou, Georgios A.; Kyriacou, Marios C.; Siomos, Anastasios S.; Gerasopoulos, Dimitrios

doi:10.1016/j.foodchem.2014.04.120

Cited by 117 publications

(138 citation statements)

References 24 publications

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“…Moreover, flesh firmness one of the most important sensory traits of watermelon was significantly affected by grafting combination, with the highest values recorded on watermelon plants grafted on C. maxima × C. moschata. These results confirm previous reports that interspecific Cucurbita hybrid tend to increase watermelon flesh firmness (Huitrón-Ramírez et al, 2009;Soteriou et al, 2014;Soteriou and Kyriacou, 2015). The juice electrical conductivity and pH were significantly affected by the grafting combination, with the lowest values recorded in Crimson Sweet/Bitter apple and Crimson Sweet/Shintosa, respectively (Table 3).…”

Section: Fruit Qualitysupporting

confidence: 90%

Evaluation of bitter apple (Citrullus colocynthis (L.) Schrad) as potential rootstock for watermelon

Bigdelo¹,

Hassandokht²,

Rouphael³

et al. 2017

Aust J Crop Sci

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Selecting appropriate rootstocks in grafting is an important aspect to increase yield and fruit quality of vegetables. Interspecific hybrids and gourd are the most frequently used rootstocks for watermelon (Citrullus lanatus var. (Thunb.) Matsum. & Nakai) grafting. However, other Citrullus species such as bitter apple (Citrullus colocynthis (L.) Schrad) have not been completely exploited and can be a source of interesting traits. The present study aimed to evaluate bitter apple as potential rootstock for watermelon (cv. Crimson Sweet) in comparison to the commercial rootstock Shintosa (Cucurbita maxima Duch. × Cucurbita moschata Duch.), and non-grafted plants. An experimental design of Randomized Complete Blocks was applied with treatments replicated three times. Grafted and non-grafted watermelon plants were compared in terms of yield, yield components, morphometric and textural characteristics, sweetness, acidity and mineral composition. The effect of Shintosa rootstock on total yield and mean fruit weight resulted in 20.2% and 14.0% increase over the non-grafted and Crimson Sweet/bitter apple combination, respectively. Flesh firmness and fruit mineral composition (Ca, P and Zn) increased by grafting Crimson Sweet on Shintosa over the other grafting combinations. The most valued fruit quality traits for consumer satisfaction: fruit dry matter (DM) and total soluble solids (TSS) were significantly higher with bitter apple rootstock. The fruit DM and TSS contents recorded for Crimson Sweet grafted on bitter apple were significantly higher than those grafted on Shintosa by 11.7% and 8.4%, respectively. Though grafting watermelon on bitter apple slightly decreased yield characteristics than Shintosa, on the other hand it improved flavor compounds with no serious detrimental effects on other quality attributes, thus it could be proposed as potential germplasm for watermelon rootstock breeding.

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Section: Fruit Qualitysupporting

confidence: 90%

Evaluation of bitter apple (Citrullus colocynthis (L.) Schrad) as potential rootstock for watermelon

Bigdelo¹,

Hassandokht²,

Rouphael³

et al. 2017

Aust J Crop Sci

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show abstract

“…However, it is worth highlighting the low variation on levels of AR between P doses higher than 76 kg ha -¹ of P 2 O 5 , which had an average of 5.35%. Levels of RS, represented as glucose and fructose, generally have larger amount in young watermelon fruits (Soteriou et al, 2014). This likely explains the higher levels of RS in fruits cultivated with no P applied, indicating delay of ripening, when compared to fruits from plants that received P fertilization.…”

Section: Resultsmentioning

confidence: 99%

“…This result may reflect the increase in P availability (Valentinuzzi et al, 2015) when fertigation is used (Souza, 2012), since increment in inorganic phosphate (Pi) concentration in cytosol can cause a higher transference rate of phosphate sugars in chloroplasts, via exchange of triose-P/Pi in vascular membrane. This exchange benefits the glucose formation in cytosol, which may be broken by glycolysis cycle, entering in cellular respiration, or going to saccharose synthesis (Santos et al, 2012), main sugar compound of mature fruits of watermelon (Soteriou et al, 2014). The highest averages of vitamin C (VC) and maturation index (MI) (15.45 mg 100 mL -1 and 109.36, respectively) were obtained with P application in foundation and fertigation, independently of P dose (Table 3).…”

Section: Resultsmentioning

confidence: 99%

Quality of seedless watermelon cultivated under different doses and phosphorus application forms

AraÃojo¹,

Aroucha²,

Chaves³

et al. 2016

Afr. J. Agric. Res.

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Effects of doses and phosphorus application forms were studied on the postharvest quality in seedless watermelon hybrid 'Style'. For this, an experiment was conducted in Upanema/RN, Brazil, during the period of September to December 2013, in a randomized block at factorial scheme 5×2 constituting of five phosphorus doses applied in foundation (0, 76, 168, 275 and 397 kg ha -1 of P 2 O 5 ) and foundation + fertigation (0+50, 26+50, 118+50, 225+50, 347+50 kg ha -1 of P 2 O 5 ) with four replications. Fruit harvested at commercial maturity (78 days after sowing) were evaluated by average fruit weight (AFW), pulp firmness (PF), chroma index, hue angle, soluble solids content (SS), titratable acidity (TA), maturation index (MI), total phenols content (TP), vitamin C (VC), total sugars content (TS), reducing sugars content (RS) and pH. Among the quality parameters evaluated phosphorus application forms did not affect physical characteristics of fruit, but combination of application via foundation + fertigation increased VC, TS and MI. There was interactive effect of dose and phosphorus application form for the SS, TA, pH and TP. The dose of 50 kg P 2 O 5 ha -1 applied only in fertigation significantly increased values of SS, TA and TP. It is concluded that low doses of P in cultivation and its application via foundation and fertigation improved the main quality characteristics of 'Style' watermelon.

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“…The above results are in agreement for only cv. 'Crimstar' with those obtained by Soteriou et al (2014) who pointed out that grafting has been found to reduce the pH of the pulp.…”

Section: Resultsmentioning

confidence: 62%

The effectiveness of growth cycles on improving fruit quality for grafted watermelon combinations

2018

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Evolution of watermelon fruit physicochemical and phytochemical composition during ripening as affected by grafting

Cited by 117 publications

References 24 publications

Evaluation of bitter apple (Citrullus colocynthis (L.) Schrad) as potential rootstock for watermelon

Evaluation of bitter apple (Citrullus colocynthis (L.) Schrad) as potential rootstock for watermelon

Quality of seedless watermelon cultivated under different doses and phosphorus application forms

The effectiveness of growth cycles on improving fruit quality for grafted watermelon combinations

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