Grape Fruit Waste Compost as a Nursery Substrate Ingredient for High-Quality Cucumber (<i>Cucumis sativus</i>L.) Seedlings Production

Bayoumi, Yousry; El-Henawy, Ahmed; Abdelaal, Khaled; Elhawat, Nevien

doi:10.1080/1065657x.2019.1682086

Cited by 7 publications

(7 citation statements)

References 34 publications

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“…Characteristics associated with the substrate, related to chemical, physical and biological factors, directly influence the morphological development, physiological activity, and commercial quality of cucumber seedlings (Gao et al, 2017;Bayoumi et al, 2019;Watthier et al, 2019;Ma et al, 2020). However, in the present experiments, the same substrate was adopted, showing the effect of the cell size of the tray on the seedlings.…”

Section: Resultsmentioning

confidence: 82%

“…The quality of seedlings is fundamental in the implantation and development of plants, which reflects on the productive potential, being influenced by environmental, genetic, and growing medium factors (Bayoumi et al, 2019;Watthier et al, 2019;Ma et al, 2020). Commercial quality seedlings characteristics are standardization, phytopathogenic health, adequate root and shoot development (Kumi et al 2020;Wenneck et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

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Cucumber seedlings production: tray size impact on development

et al. 2022

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The size of the tray in seedling production has a direct influence on the area of root development and availability of resources, such as water as well as nutrients, with a potential impact on the seedling final quality. The objective of this work was to analyse the impact of the tray size on the development of cucumber seedlings. As such, this study was developed in two experiments: in the first, seedlings produced in trays with 50 and 128 cells were compared, while in the second, trays with 50, 98, and 128 cells were considered. For that, polyethylene trays and commercial substrate were used. The trays were kept in a greenhouse, and evaluations were carried out at 21 days after sowing. Morphological development and SPAD index were analysed. The data were submitted to ANOVA and the means compared by the Tukey test (0.05). Linear correlation was performed between the analysed variables. The best development of cucumber seedlings was obtained by adopting trays with 50 cells. Cucumber seedlings produced in trays with a higher number of cells show reduced development, mass accumulation and lower photosynthetic activity.

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Section: Resultsmentioning

confidence: 82%

Section: Introductionmentioning

confidence: 99%

Cucumber seedlings production: tray size impact on development

et al. 2022

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“…Compost has several problems that render it unsuitable as a full replacement for peat as growth media for vegetable seedlings. These problems include high electrical conductivity (EC) and pH, and physical properties caused by low aeration or scarce water holding capacity (Bayoumi et al 2019; Bustamante et al 2008;Ribeiro et al 2007;Sánchez Monedero et al 2004). These problems were frequently associated with the materials used and the quantities in the mixtures.…”

Section: Introductionmentioning

confidence: 99%

Potential of Producing Organic Lettuce Seedlings without Peat Using Agricultural and Agro-industrial Compost

Mahmoud,

Mohamed,

El-Helaly

et al. 2024

Preprint

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Peat is an unrenewable resource. The potential of using composts made from a mixture of agricultural and agro-industrial wastes as peat substitutes was evaluated in this study. Four compost piles (C1-C4) were constructed by mixing various wastes after estimating their properties. C1 was a 1:1:1.5 weight ratio mixture of filter mud, mushroom waste, and date-palm fronds, while C2-C4 were a 0.5:1 weight ratio mixture between either bagasse, cutting grassland, or date-palm fronds and cattle dung. After four months of decomposition, the compost’s physical, chemical, and biological properties were estimated in comparison to commercial compost (CC), peatmoss (PM), and their ideal ranges (IR) for seed germination and seedling growth. Composts had significant differences in physical and chemical properties. Some composts revealed property values within the IR. The principal component analysis (PCA) revealed that composts lack peat-like properties. Composts had a lower C/N ratio and organic matter, along with higher bulk density, electrical conductivity, and pH compared to PM. Cattle manure enhanced organic matter and carbon, total nitrogen and potassium, and ammonium levels and reduced ash levels in C2-C4, compared to filter mud in C1. The suitability of C1-C4, CC, and PM substrates for growing crisp lettuce 'Big Bell' seedlings was evaluated during the winters of 2018 and 2019 under plastic-house conditions. The substrates had significant effects on lettuce seedling traits. C2-C4 substrate seedlings’ vegetative shoots grew more rapidly than other substrate seedlings due to the increased length and diameter of their stem and leaf area. The PCA revealed that PM-substrate and C2-C4 substrates had similar effects on lettuce seedling growth traits. The proper mixing of agricultural and agro-industrial wastes based on their properties can produce compost with relatively suitable physical, chemical, and biological properties for lettuce seed germination and seedling growth. It will take more investigation to improve the C2-C4 compost’s properties by using certain techniques.

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“…Research into potential substitutes for peat has been ongoing for decades [16]. The majority of research into peat alternatives does not explore whether peat can be replaced, but instead what percentage, what proportions and what materials are suitable for substitution [17][18][19][20]. Various sources suggest that a mixture of peat substitutes may be a viable alternative [21].…”

Section: Introductionmentioning

confidence: 99%

Make a choice: A rapid strategy for minimizing peat in horticultural press pots substrates using a constrained mixture design and surface response approach

Sradnick,

Werner,

Körner

2023

PLoS ONE

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Peat is the most common used substrate in horticultural seedling production. To reduce peat in horticultural potted plant cultivation systems in general is an obstacle, even within the highly specialized horticultural industry. Next to soil-less cultivation systems as e.g. hydroponics, the horticultural industry is eagerly looking for suitable peat substitutes. The demands on these compounds are high, basically mimicking the physical properties of peat. A 100% replacement of peat for press-pots used in seedling production has not yet been found, and only mixes of peat and substrates exist. Several suitable peat substitutes with different properties are known, that usually are used as a share of a mixed peat-substitute substrate. A constrained mixture design was used to test substrates containing 50% v/v and 25% v/v peat and four peat substitutes (two composts and two wood fibers) for vegetable seedling production. By limiting the maximum quantities of each material to be added, there was no negative effect on the growth of Chinese cabbage (Brassica rapa subsp. pekinensis). This means a reduction in of peat to 25% v/v is possible without a change in substrate quality. The mixture design allowed a quick decision to be made regarding the most suitable peat-reduced mixtures. The surface response approach enabled the experimental results to be easily transferred to horticultural practices, additionally. This flexible and efficient method also allows the predictions to be used to meet specific crop management needs.

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Grape Fruit Waste Compost as a Nursery Substrate Ingredient for High-Quality Cucumber (Cucumis sativusL.) Seedlings Production

Cited by 7 publications

References 34 publications

Cucumber seedlings production: tray size impact on development

Cucumber seedlings production: tray size impact on development

Potential of Producing Organic Lettuce Seedlings without Peat Using Agricultural and Agro-industrial Compost

Make a choice: A rapid strategy for minimizing peat in horticultural press pots substrates using a constrained mixture design and surface response approach

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