Rooting Foliage Plant Cuttings in Compost-formulated Substrates

Chen, Jianjun; McConnell, Dennis B.; Robinson, Cynthia A.; Caldwell, Russell D.; Huang, Yingfeng

doi:10.21273/horttech.13.1.0110

Cited by 17 publications

(15 citation statements)

References 13 publications

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“…In this study, the BC had higher pH and carbon (C) contents than compost, whereas compost had much higher N, P, K, and Ca contents than BC ( Table 1). The C:N ratio of compost was 24, suggesting that it was appropriate for commercial use since a compost with a C:N ratio of 25 or less is considered to be matured [22]. Due to the incorporation of BC, formulated substrates BC and BioComp had higher pH values than the control substrate (Table 1).…”

Section: Substrate Chemical Propertiesmentioning

confidence: 99%

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Biochar or Biochar-Compost Amendment to a Peat-Based Substrate Improves Growth of Syngonium podophyllum

2019

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Increasing demand for sustainable and low-cost alternatives to peat is a challenge in the production of container-grown plants. Biochar (BC) and compost, as eco-friendly materials, could be used to completely or partially substitute for peat. However, information regarding plant responses to the substitution is limited. This study evaluated effects of the amendment of a BC or a BC-compost mixture (BioComp) to a peat-based substrate at 20% by volume on the growth of Syngonium podophyllum. BC was pyrolyzed from wheat straw at 350 °C. Compost was made from farm green waste. BC or BioComp amendment elevated the pH and electrical conductivity of formulated substrates and improved plant growth. Concentrations of nitrogen, phosphorus, potassium, and chlorophyll in leaves and the net photosynthetic rate of plants grown in BC or BioComp amended substrates were significantly higher than those grown in the control substrate. Total soluble protein and total phenolic contents were greater in plants grown in BC- or BioComp-amended substrates as well, but no significant difference occurred in reactive oxygen-related enzymatic activities, reducing power or proline contents across substrates. Our results show that BC or BioComp can be used to replace 20% of peat by volume, and such replacement enhanced S. podophyllum growth.

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Section: Substrate Chemical Propertiesmentioning

confidence: 99%

“…Compost is another alternative to peat for formulation of substrates, which has been extensively studied [9,22,23]. Recent studies show that mixtures of BC with compost appear to have synergistic effects on container plant growth [1].…”

Section: Introductionmentioning

confidence: 99%

Biochar or Biochar-Compost Amendment to a Peat-Based Substrate Improves Growth of Syngonium podophyllum

2019

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“…Disparities in root development among substrates are rarely attributed to differences in physical properties, unless extreme values are observed. Typically, low substrate air space (<10%) and high substrate container capacity (>60%) are considered undesirable for cutting propagation due to low oxygen content (Chen et al, 2003). Substrate air space above the recommended values, or a high proportion of coarse particles, may provide inadequate moisture or hinder contact between roots and substrate particles, but such conditions have not been widely reported for cutting propagation.…”

Section: Resultsmentioning

confidence: 99%

“…Composts derived from a variety of materials have also been used for cutting propagation. Cuttings of three foliage plant species had similar root development in composts mixed with PM or PB and in a standard substrate (Chen et al, 2003). Chong (1999) We thank Donald Merhaut, Avery Christmas Tree Farm, and Yoder Brothers Inc. for providing cutting material, and to Dip 'N Grow Inc. for providing the auxin-containing product used in this study.…”

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confidence: 95%

Stem Cutting Propagation in Whole Pine Tree Substrates

Witcher¹,

Blythe

Fain

et al. 2014

hortte

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Wood-based substrates have been extensively evaluated for greenhouse and nursery crop production, yet these substrates have not been evaluated for propagation. The objective of this study was to evaluate processed whole loblolly pine trees (WPT) (Pinus taeda) as a rooting substrate for stem cutting propagation of a range of ornamental crops. Substrates included processed WPT, pine (Pinus sp.) bark (PB), and each mixed with equal parts (by volume) peatmoss (PM) (WPT:PM and PB:PM, respectively). Substrate physical (air space, container capacity, total porosity, bulk density, and particle size distribution) and chemical [pH and electrical conductivity (EC)] properties were determined for all substrates. Rooting percentage, total root length, total root volume, and total shoot length were evaluated for four species in 2008 and five species in 2009. Substrate air space was similar between PB and WPT in the 2008 experiment, and likewise between PB:PM and WPT:PM. In the 2009 experiment, PB and WPT had similar substrate air space. The addition of PM to PB and WPT resulted in reduced air space and increased container capacity in both experiments. The proportion of fine particles doubled for PB:PM and WPT:PM compared with PB and WPT, respectively. Substrate pH for all substrates ranged from 6.0 to 6.9 at 7 days after sticking (DAS) cuttings and 6.9 to 7.1 at 79 DAS. Substrate EC was below the acceptable range for all substrates except at 7 DAS. Rooting percentage was similar among substrates within each species in both experiments. The addition of PM resulted in significantly greater total root length for PB:PM and WPT:PM compared with PB and WPT, respectively, for five of the eight species. Shoot growth was most vigorous for PB:PM compared with the other substrates for all species. The study demonstrated a range of plant species can be propagated from stem cuttings in whole pine tree substrates alone or combined with PM.

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“…Florida scientists continue to be active in compost research. Based on publications from the last 5 years, current research areas in Florida are: using compost for container media (Chen et al, 2002(Chen et al, , 2003Fitzpatrick, 2001;Li et al, 2009;Moore, 2005;Wilson et al, 2006), determining the impact of compost on water quality (Jaber et al, 2006), using compost for roadsite restoration (Harrell and Miller, 2005), developing testing methods for compost stability (Wu and Ma, 2002), and suppressing nematodes (Wang et al, 2007).…”

Section: Current Researchmentioning

confidence: 99%

Land Application of Compost and Other Wastes (By-products) in Florida: Regulations, Characteristics, Benefits, and Concerns

Hanlon

O’Connor

et al. 2010

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Compost is the product resulting from the controlled biological decomposition of organic material that has been sanitized through the generation of heat and processed to further reduce pathogens as defined by the U.S. Environmental Protection Agency and stabilized to the point that the compost is beneficial to plant growth. Organic materials used for composting in Florida are mainly yard wastes (trash) and food wastes. More than 5.7 million tons of composts could be produced from yard trash and food waste in the state. Animal manure and biosolids (treated sludge) can also be composted, but are not discussed in this article. “Other wastes” as discussed herein [food processing wastes, coal ash, wood ash, drinking water treatment residuals (WTRs), and phosphogypsum] are by-products of leading Florida industries and are available in large quantities for reuse. About 5 million tons of food processing waste [citrus (Citrus spp.) and vegetables alone], 1.85 million tons of coal ash (from 28 coal-burning power plants), 0.05 million tons of wood ash, 1000 million tons of phosphogypsum (from the state's phosphate fertilizer industry), and significant, but unknown, amounts of WTRs are available. Due to the growing interest in sustainable agriculture practices, this article is intended to discuss the current regulations and guidelines for composting and the use of composts and other wastes in Florida, the characteristics, benefits, and concerns of Florida compost and other wastes, and current research and needs of research and extension for incorporating compost and other waste materials in Florida's sustainable agriculture. Our literature search was largely limited to studies conducted in Florida.

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Rooting Foliage Plant Cuttings in Compost-formulated Substrates

Cited by 17 publications

References 13 publications

Biochar or Biochar-Compost Amendment to a Peat-Based Substrate Improves Growth of Syngonium podophyllum

Biochar or Biochar-Compost Amendment to a Peat-Based Substrate Improves Growth of Syngonium podophyllum

Stem Cutting Propagation in Whole Pine Tree Substrates

Land Application of Compost and Other Wastes (By-products) in Florida: Regulations, Characteristics, Benefits, and Concerns

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