Effect of Grafting on Watermelon Plant Growth, Yield and Quality

Alan, Özlem; Özdemir, Nilay; Günen, Yasemin

doi:10.3923/ja.2007.362.365

Cited by 80 publications

(46 citation statements)

References 6 publications

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“…Some studies have demonstrated the efficiency of tolerant rootstocks in reducing the effects of drought on the scion by improving physiological performance and productivity through different approaches, like using a larger and vigorous root rootstock system capable of absorbing water and nutrients, and maintaining the root relative growth rate and leaf-relative water content more efficiently than non-grafted plants. This behavior has been observed in tomato (Sánchez-Rodríguez et al, 2012; Yao et al, 2016) and watermelon (Chouka and Jebari, 1999; Alan et al, 2007; Rouphael et al, 2008). Another alternative is active osmotic adjustment as it can contribute to improve the uptake of more water mediated by the accumulation of a range of osmotically active molecules, as reported in pepper (Anjum et al, 2012; Penella et al, 2014b) and tomato (Yao et al, 2016) grafted plants.…”

Section: Introductionsupporting

confidence: 52%

Pepper Rootstock and Scion Physiological Responses Under Drought Stress

et al. 2019

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In vegetables, tolerance to drought can be improved by grafting commercial varieties onto drought tolerant rootstocks. Grafting has emerged as a tool that copes with drought stress. In previous results, the A25 pepper rootstock accession showed good tolerance to drought in fruit production terms compared with non-grafted plants and other rootstocks. The aim of this work was to study if short-term exposure to drought in grafted plants using A25 as a rootstock would show tolerance to drought now. To fulfill this objective, some physiological processes involved in roots (rootstock) and leaves (scion) of grafted pepper plants were analyzed. Pepper plants not grafted (A), self-grafted (A/A), and grafted onto a tolerant pepper rootstock A25 (A/A25) were grown under severe water stress induced by PEG addition (-0.55 MPa) or under control conditions for 7 days in hydroponic pure solution. According to our results, water stress severity was alleviated by using the A25 rootstock in grafted plants (A/A25), which indicated that mechanisms stimulated by roots are essential to withstand stress. A/A25 had a bigger root biomass compared with plants A and A/A that resulted in better water absorption, water retention capacity and a sustained CO2 assimilation rate. Consequently, plants A/A25 had a better carbon balance, supported by greater nitrate reductase activity located mainly in leaves. In the non-grafted and self-grafted plants, the photosynthesis rate lowered due to stomatal closure, which limited transpiration. Consequently, part of NO3- uptake was reduced in roots. This condition limited water uptake and CO2 fixation in plants A and A/A under drought stress, and accelerated oxidative damage by producing reactive oxygen species (ROS) and H2O2, which were highest in their leaves, indicating great sensitivity to drought stress and induced membrane lipid peroxidation. However, drought deleterious effects were slightly marked in plants A compared to A/A. To conclude, the A25 rootstock protects the scion against oxidative stress, which is provoked by drought, and shows better C and N balances that enabled the biomass to be maintained under water stress for short-term exposure, with higher yields in the field.

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Section: Introductionsupporting

confidence: 52%

Pepper Rootstock and Scion Physiological Responses Under Drought Stress

et al. 2019

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“…Fruit size is the most prominent change following grafting of watermelon onto rootstocks. Contrarily to the fruit size, the fruit shape index defined by the ratio of equatorial and longitudinal lengths was unaffected or minimal by grafting combinations on watermelon grown under low tunnel and in open field conditions (Davis & Perkins-Veazie, 2005;Alan et al, 2007;Rouphael et al, 2010;Kyriacou et al, 2017). Dur findings of an increase in the fruit shape index agree with a later report of Turhan et al (2012).…”

Section: Resultssupporting

confidence: 81%

“…Besides disease resistance and tolerance to low/high soil temperatures, watermelon rootstocks, especially those of C. maxima × C. moschata hybrids can enhance plant vigor, growth, and yield since they are much more vigorous than the bottle gourd rootstock (Alan et al, 2007;King et al, 2010); however, reports on fruit quality such as rind thickness, color, fruit firmness, total soluble solids, and sugar are rather conflicting being increasing, decreasing or remaining unaffected (Miguel et al, 2004;Davis et al, 2008a;Rouphael et al, 2010;Fallik & Ilic, 2014;Kyriacou et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

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

2018

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“…In particular, increased salinity tolerance improves fruit yield of grafted tomato [8] [14]. Higher yield of grafted plants has been also observed in watermelon (Citrullus lanatus) [15] and in melon (Cucumismelo) [16] [17]. Increased plant growth and crop yield upon grafting in melon have been attributed to the increase in water and nutrient uptake due to the vigorous root systems of rootstocks [16].…”

Section: Introductionmentioning

confidence: 91%

Differences in Root Growth and Permeability in the Grafted Combinations of Dutch Tomato Cultivars (Starbuck and Maxifort) and Japanese Cultivars (Reiyo, Receive, and Magnet)

Kakita¹,

Abe²,

Ikeda³

2015

AJPS

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Grafting is widely established in agriculture and provides practical advantages for vegetable production. We investigated physiological differences between the grafted combinations of Dutch (Starbuck and Maxifort) and Japanese (Reiyo, Receive and Magnet) tomato cultivars. Plants were grown hydroponically until the flowers on the first truss bloomed, and the following parameters were measured: fresh weight of the aerial parts, root surface area, root permeability (by using a pressure chamber), and water potential of exudates (by using an isopiestic psychrometer). The Starbuck/Maxifort combination had higher values of the aerial part weight, root surface area, and root permeability than Reiyo/Receive, whereas Reiyo/Maxifort tended to have higher values of these parameters than Reiyo/Receive and Reiyo/Magnet. Maxifort had a significantly larger root surface area than Receive, but root permeability was not significantly different. InReiyo/Maxifort and Starbuck/Receive, these parameters were not significantly different except for a single comparison of root permeability. Thus, root permeability and root surface area may depend not only on the rootstock but be also affected by scion in grafted plants. Water potential of exudates was similar in most combinations and experiments. This shows that three rootstock cultivars provided similar nutrient concentrations even with different scions.

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Effect of Grafting on Watermelon Plant Growth, Yield and Quality

Cited by 80 publications

References 6 publications

Pepper Rootstock and Scion Physiological Responses Under Drought Stress

Pepper Rootstock and Scion Physiological Responses Under Drought Stress

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

Differences in Root Growth and Permeability in the Grafted Combinations of Dutch Tomato Cultivars (Starbuck and Maxifort) and Japanese Cultivars (Reiyo, Receive, and Magnet)

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