The Influence of Four Rootstocks on Some Melon Hybrids and a Cultivar in Greenhouse

Leoni, S.; Grudina, R.; Cadinu, Marco; Madeddu, B.; Carletti, M.G.

doi:10.17660/actahortic.1991.287.12

Cited by 30 publications

(28 citation statements)

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“…9 Its influence can be exerted by the interaction of some or all of the following processes: increase of water and nutrient uptake due to the rootstock's vigorous root system, 11,30 enhanced production of endogenous hormones and enhancement of scion vigour. 43,44 The joint action of some or all of these processes could explain the higher yield in mini-watermelon from grafted plants observed in the current study.…”

Section: Discussionmentioning

confidence: 65%

Fruit quality of mini‐watermelon as affected by grafting and irrigation regimes

et al. 2008

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BACKGROUND: The Mediterranean region suffers water deficit that affects fruit yield and quality. Grafting improves crop tolerance to disease and drought, but the taste and quality of fruit may be negatively affected. The aim of the present work was to determine the quality parameters of mini-watermelon, ungrafted or grafted onto a squash hybrid rootstock, and grown under different irrigation regimes: 1.0, 0.75, and 0.5 of evapotranspiration (ET) rates.

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Section: Discussionmentioning

confidence: 65%

Fruit quality of mini‐watermelon as affected by grafting and irrigation regimes

et al. 2008

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“…These effects can be explained by the interaction of some or all of the following phenomenons: increased water and plant nutrient absorption (Kato and Lou 1989), augmented endogenous hormone production (Zijlstra et al 1994), enhanced scion vigor (Leoni et al 1990;Ito 1991), resistance to soil pathogens (Lee 1994), tolerance to low soil temperature (Den Nijs and Smeets 1987;Tachibana 1989) and salinity tolerance (Zerki and Parsons 1992). In our study, plant growth was significantly affected by rootstocks and plant vigor was closely related to fruit yield except in those that had incompatibility problems.…”

Section: Resultsmentioning

confidence: 99%

Effect of different rootstock on plant growth, yield and quality of watermelon

Yetışır¹,

Sarı²

2003

Aust. J. Exp. Agric.

166

105

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This study was conducted in Department of Horticulture, Faculty of Agriculture, University of Cukurova in 1999 and 2000. Watermelon [Citrullus lanatus (Thunb.) Matsum and Nakai] cultivar Crimson Tide was grafted onto 10 different rootstocks. Cucurbita moschata, Cucurbita maxima and Lagenaria siceraria were open pollinated cultivars, and Strong Tosa, Gold Tosa, P360 (Cucurbita maxima × Cucurbita moschata), Skopje, Emphasis, 216 and FRG (Lagenaria spp.) were hybrid cultivars. The ungrafted Crimson Tide watermelon cultivar was used as the control. Plants were grown under low tunnel conditions until the outdoor temperature was suitable (22-25°C) for watermelon growth. Our results showed that while survival rate was low (65%) in Cucurbita type rootstocks, it was high (95%) in Lagenaria type rootstocks. Grafted plants flowered about 10 days earlier and showed more vigorous vegetative growth than the control plants. Grafted plants had up to 148% higher fresh weights than control plants. Similarly, grafted plants showed 42-180% higher dry weight, 58-100% more leaves and larger leaf area as compared with the control. In total yield, Lagenaria type rootstocks produced a higher yield but Cucurbita type rootstocks produced a lower yield than the control. While control plants had 6.43 kg/m 2 yield, Lagenaria type rootstocks produced 27-106% higher yield than the control. In contrast, Cucurbita type rootstocks had 127-240% less yield than the control. This could be attributed to incompatibility of Cucurbita rootstocks because some of the plants died before harvest. The study showed that rootstock choices influence plant growth as well as yield and quality of scion fruit, suggesting an important consideration in the potential use of grafting applications in watermelon.

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“…T2 treatment showed significant maximum urease activity (201.03 and 211.95 mg NH4+-N g -1 soil d -1 ) followed by T3 (188. 59 It is well known that enzymes play a key role in the transformation, recycling and availability of plant nutrients in soil. They are likely to be influenced by fertilizers and manures.…”

Section: Enzyme Activitymentioning

confidence: 99%

Using Plant Growth-promoting Fungi (PGPF), as a Biofertilizer and Biocontrol Agents against Tetranychus cucurbitacearum on Nubian Watermelon (Citrullus lanatus L.)

Hammad

Elbagory

2019

JAMB

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Plant growth-promoting fungi (PGPF) have attracted considerable interest as biofertilizers and biocontrol due to their multiple beneficial effects on plant quantity and quality as well as their positive relationship with the ecological environment. The objective of this study was to determine the efficacy of different concentrations 25, 50, 75 and 100% from cultural filtrate of Trichoderma viride and T. harzianum to induce the two-spotted spider mite, Tetranychus cucurbitacearum (In vitro), and their ability to improve the growth dynamics of Nubian watermelon plants in field experiment during two growing summer seasons of 2017 and 2018. In general the effect of tested concentrations of T. viride were non effective on egg deposition by adult females after five days from treatment, while in T. harzianum, the concentration 75% was the most effect than the other concentrations. Also, egg hatchability % decreased with increased of two egg age (1 – 2 day old) at treatment by concentrations 25 and 50% of both fungal. In field experiment, the test compound (vertimec) was the more effective against egg stage of spider mite T. cucurbitacearum than motile stages of both T. viride and T. harzianum treatments. Also, plants inoculated with T. harzianum showed increases in vegetative growth parameters included numbers of leaves, Leaf dry weight, stem length and numbers of branches and biochemical analysis of leaves included chlorophyll content and percentages of NPK at 30 and 60 days from sowing during both seasons compared to uninoculated control plants. Also, enzymes activities, treatment T2 (inoculated with T. viride) recorded the highest values at all growth stages, which recorded 155.77, 257.29 and 114.62 mg TPF g-1 soil day-1 for dehydrogenase and 113.79, 201.03 and 115.24 mg NH4+- N g-1 soil d-1 for urease at 30, 60 and harvest during 2017 growing season, respectively. The same trend was observed in total count of fungi during both seasons. For fruit yield, T. viride (T2) had significantly the highest number of fruits per plant, number of seeds per fruit, fruit weight (g) and dry weight of 100 seeds (g) which recorded 1.92, 273.07, 1126 g and 16.29 g as compared to untreated control treatment, which attained 1.21, 185.08, 526.66 g and 14.41 g at 2017 season, respectively. Therefore, these results reflected to increase fruit yield (Kg/m2), seed yield (g/m2) and weight of yield (ton fed.-1) during both seasons.

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The Influence of Four Rootstocks on Some Melon Hybrids and a Cultivar in Greenhouse

Cited by 30 publications

References 0 publications

Fruit quality of mini‐watermelon as affected by grafting and irrigation regimes

Fruit quality of mini‐watermelon as affected by grafting and irrigation regimes

Effect of different rootstock on plant growth, yield and quality of watermelon

Using Plant Growth-promoting Fungi (PGPF), as a Biofertilizer and Biocontrol Agents against Tetranychus cucurbitacearum on Nubian Watermelon (Citrullus lanatus L.)

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