Pollen Source Influences Fruit Quality, Aril Properties, and Seed Characteristics in Pomegranate

Gharaghani, Ali; Soloklui, Ali Akbar Ghasemi; Oraguzie, Nnadozie; Zare, Dariush

doi:10.1080/15538362.2017.1318733

Cited by 21 publications

(11 citation statements)

References 19 publications

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“…However, in 'Sefri' in 2019, it resulted from a significant reduction in weight of total aril rather than that of fruit peel. In previous study, this effect was also related to the pollination factor (Gharaghani et al, 2017). However, in this research, this statement may not be valid as the experiment was conducted under homogeneous environmental and growing conditions.…”

Section: Discussionmentioning

confidence: 70%

Pomegranate plasticity to water stress: attempt to understand interactions between cultivar, year and stress level

Adiba

Hssaini

Haddioui

et al. 2021

Heliyon

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This work investigated the effects of sustained deficit irrigation (SDI) on yield components and fruit physicobiochemical proprieties of two pomegranate cultivars, 'Sefri' and 'Wonderful' 21 trees each, in Sais plain (northern Morocco) over two consecutive seasons (2018)(2019). Irrigation treatments consisted of a control, irrigation applied to fully satisfy crop evapotranspiration (100% ET C ), and two SDI treatments: 70% ET C (SDI 70 ) and 50% ET C (SDI 50 ). The effects of the SDI treatments differed between cultivars and years. During the first year, yield and fruit weight were significantly reduced in 'Sefri' under SDI 50 . The same effect was also observed in the second year under SDI 70 . In 'Wonderful', a significant decrease in yield occurred in the second year under both SDI regimes. Fruit juice content was reduced in both cultivars, particularly under SDI 50 , with no significant effect on fruit aril content and aril weight. As for juice chemical properties, it was observed a decrease in total soluble solids, especially under SDI 50 . Furthermore, a significant decrease in juice soluble sugars content was observed in the first year for both cultivars. Total polyphenols content has significantly diminished in the second year in both cultivars. Likewise, total anthocyanins level displayed the same pattern, particularly in 'Wonderful'. The findings suggest that SDI decreases yield and fruit quality even under moderate regime of 70% ET C . These negative effects may be dramatic depending on pomegranate genotypes, as observed in 'Sefri', compared to Wonderful variety. The great impact on species behavior toward water stress was particularly driven by the irrigation treatment, of which the interaction with the cultivar factor had the higher impact on the model. As many areas of how sustained deficit irrigation impacts pomegranate tree resilience are still needed to be investigated further, this study is a first attempt to explore water management in pomegranate in the Mediterranean semiarid lands.

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Section: Discussionmentioning

confidence: 70%

Pomegranate plasticity to water stress: attempt to understand interactions between cultivar, year and stress level

Adiba

Hssaini

Haddioui

et al. 2021

Heliyon

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“…Levin (1994) [8] also stated that occasionally metaxenia is observed such that there are several seeds of other colours within an individual fruit of pomegranate. Gharaghani et al (2017) [4] also reported metaxenic effect of pollen source on fruit peel colour in pomegranate.…”

Section: Resultsmentioning

confidence: 99%

Effect of pollen source on some fruit characteristics of exotic pear (Pyrus communis L.) cv. carmen and abate Fetel

Mumtaz¹,

Ganai²,

Hamid³

et al. 2020

J Pharmacogn Phytochem

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A research experiment was conducted on two fruit bearing exotic cultivars "Carmen" and "Abate Fetel" of pear (Pyrus communis L.). The treatments included self, open and cross pollination of these two maternal parents with seven pollinizers viz., "William Bartlett", "Fertility", "Clapp's Favourite", "Chinese Sandy Pear", "Max Red Bartlett", "Kings Pear" and "Beurre de Amanalis". The design of experiment was RCBD with three replications and the number of treatment combinations were 18. Pollen source affected the fruit colour significantly, wherein the highest value of red colour based on 'a' value was recorded with the pollen of "Max Red Bartlett" in the combination 'Carmen × Max Red Bartlett' (a=25.81) whereas, it was lowest with the pollen of "Kings Pear" (a=-16.63) in the combination 'Abate Fetel × Kings Pear', fruit shape, pedicle length and number of lenticles remain unaffected with the pollenizers used, however, sensory characteristics varied significantly with the pollenizers used.

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“…These results suggested that the xenia was due to the differences in the seed following double fertilization. Furthermore, in tomato (Piotto et al, 2013), macadamia (Herbert et al, 2019a(Herbert et al, , 2019b, pomegranate (Gharaghani et al, 2017;Xue et al, 2016), grape (Sabir, 2011(Sabir, , 2015, and litchi (Liu et al, 2011;Qiu et al, 2006), xenia has been detected in both the seeds and fruit and thus cannot be classified into either xenia or metaxenia. The preceding research on the formation mechanisms of xenia suggests that a new xenia classification is required.…”

Section: Discussionmentioning

confidence: 99%

“…6), fruit peel thickness, soluble solid contents, and lignin contents of pomegranate, but also significantly affects the aril color (Fig. 6), seed weight, seed length and diameter, seed hardness, seed toughness, and 1000-seed weight (Gharaghani et al, 2017;Xue et al, 2016). Similar results have also been reported in grape, namely that the pollen genotype directly affects the berries and seeds formed after fertilization in the female parent in the current year and causes differences in berry set, berry weight, berry length and width, as well as the number of seeds per berry, viable seed rate, seed size, 100-seed weight, and seed width, height, and thickness (Sabir, 2011(Sabir, , 2015.…”

Section: Combined Xeniamentioning

confidence: 96%

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Novel Classification Forms for Xenia

Qin¹,

Yan²,

Zhang³

et al. 2020

horts

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The xenia effect refers to the phenomenon whereby the pollen genotype directly affects seed and fruit development during the period from fertilization to seed germination, which leads to different characteristics in phenotypic traits. The xenia effect can create differences in the endosperm and embryo formed after double fertilization and can also alter various fruit parameters, such as the fruit-ripening period; the fruit shape, size, and color; the flavor quality, such as sugars and acids; as well as the nutrient quality, such as anthocyanins. The xenia effect manifests in various ways, playing an important role in increasing the yield of fruit trees, improving fruit appearance and internal quality, as well as in directional breeding. Compared with other pomology research areas, our understanding of the xenia effect is still in its infancy. Currently, xenia is classified into two types: xenia and metaxenia. In the former, the direct effects of the pollen genotype are exhibited in the syngamous parts of the ovules; that is, the embryo and endosperm only. In the latter, the effects of the pollen genotype are demonstrated in structures other than the embryo and endosperm; that is, in tissues derived wholly from the mother plant material, in seed parts such as the nucellus and testa, as well as in the carpels and accessory tissues. However, the current classification has various shortcomings. In the present study, we propose a novel classification based on whether the appearance of xenia results from the tissue formed by double fertilization. Three xenia types are proposed: double-fertilization xenia, non–double-fertilization xenia, and combined xenia. The new classification has great theoretical and practical significance for future studies on the xenia effect and its mechanisms and also provides a more effective, broader application of xenia in improving the yield and quality of fruit trees.

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Pollen Source Influences Fruit Quality, Aril Properties, and Seed Characteristics in Pomegranate

Cited by 21 publications

References 19 publications

Pomegranate plasticity to water stress: attempt to understand interactions between cultivar, year and stress level

Pomegranate plasticity to water stress: attempt to understand interactions between cultivar, year and stress level

Effect of pollen source on some fruit characteristics of exotic pear (Pyrus communis L.) cv. carmen and abate Fetel

Novel Classification Forms for Xenia

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