Use of Compostable Pots for Potted Ornamental Plants Production

Minuto, G.; Minuto, A.; Pisi, L.; Tinivella, F.; Guerrini, S.; Versari, Marco; Pini, Stefano; Capurro, M. C.; Amprimo, I.

doi:10.17660/actahortic.2008.801.38

Cited by 6 publications

(4 citation statements)

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“…Candido et al (2008) also reported an increase in number and fresh weight of poinsettia bracts in the 80% biodegradable plastic/20% compostable containers over the 90%/10%, 100% biodegradable, and traditional plastic, but root dry weight was not measured. Minuto et al (2007) reported that root development in biodegradable plastic (starch-based) Mater-bi containers as being similar to that of polypropylene for five different herbs, cyclamen (Cyclamen spp. ), and daisy (Asteraceae), but their study did not include compostable containers other than bioplastics.…”

Section: Discussionmentioning

confidence: 99%

Growth and Development of ‘Eckespoint Classic Red’ Poinsettia in Biodegradable and Compostable Containers

López¹,

Camberato²

2011

hortte

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Biodegradable, compostable, and traditional plastic containers were evaluated for production of ‘Eckespoint Classic Red’ poinsettia (Euphorbia pulcherrima), a long-term greenhouse crop (12–16 weeks transplant to finish, depending on cultivar). Containers were rated for appearance and durability during the 14-week production period and plant quality parameters were measured at anthesis. Plastic, rice hull, wheat starch-derived bioresin, and molded fiber containers remained unchanged in appearance and integrity and received a rating of 5 (1–5 rating scale, where 1 = container integrity compromised substantially and 5 = container was intact, no visible changes in terms of color or construction). However, straw, coconut coir, composted cow manure, and Canadian sphagnum moss and wood pulp containers had an average rating of 2.9, 2.7, 1.4, and 1.6, respectively. Both shoot and root dry weights were greatest in plants produced in molded fiber and straw containers. The root to shoot dry weight ratio and days to anthesis was not significantly different among container types. Bract area index (a measurement derived to estimate bract area) was greatest for plants produced in molded fiber containers and lowest for those produced in the wheat starch containers. When adjusted for container height, final plant height was greatest in molded fiber containers and lowest in wheat starch containers. Plants produced in molded fiber containers, on average, exhibited the greatest height, bract area index, and total root and shoot weight, with no visible changes to container integrity. Based on these results, plant quality was not negatively impacted by any of the seven containers, though marketability of finished plants can be affected by container integrity.

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Section: Discussionmentioning

confidence: 99%

Growth and Development of ‘Eckespoint Classic Red’ Poinsettia in Biodegradable and Compostable Containers

López¹,

Camberato²

2011

hortte

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“…Nowadays the cost of biopots is still too high than traditional ones to made them utilizable by growers in large scale (Brumfield et al, 2015). According to Minuto et al (2008) the cost of biopots is about twice the cost the traditional ones but it can strongly decrease in the case of markets that force growers to made a repotting of the plants in biopots before deliver the goods.…”

Section: Discussionmentioning

confidence: 99%

Biodegradable pots for Poinsettia cultivation: Agronomic and technical traits

Castronuovo

Picuno

Manera

et al. 2015

Scientia Horticulturae

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“…Candido et al (2008) evaluated poinsettia (Euphorbia pulcherrima) plant growth in bioplastic containers containing 0% to 20% unidentified compostable material and reported that a bioplastic container with 0% compostable material did not develop lesions and resulted in plants with similar growth characteristics as plants grown in traditional petroleum-based plastic containers. Minuto et al (2007) evaluated a biocontainer referred to as Mater-bi pots (Plastral, Sydney, Australia) and found that plants grown in these containers were similar to those grown in traditional plastic containers. Evans and Hensley (2004) evaluated peat containers and feather fiber containers compared with traditional plastic containers.…”

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confidence: 99%

Physical Properties of Biocontainers for Greenhouse Crops Production

Evans

Taylor

Kuehny

2010

hortte

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The vertical dry strength of rice hull containers was the highest of all containers tested. Plastic containers and paper containers had similar vertical dry strengths. Containers composed of 80% cedar fiber and 20% peat (Fertil), composted dairy manure (Cowpot), and peat had lower dry vertical dry strengths than the aforementioned containers but had higher vertical dry strengths than those composed of bioplastic (OP47), coconut fiber, and rice straw. Rice hull containers and paper containers had the highest lateral dry strengths. Rice straw, Cowpot, and plastic containers had similar dry lateral strengths, which were significantly higher than those of OP47, Fertil, coconut fiber, and peat containers. Highest dry punch strengths occurred with traditional plastic and Cowpot containers, while the lowest dry punch strengths occurred with OP47, Fertil, coconut fiber, peat, and rice straw containers. Plastic, rice hull, and paper containers had the highest wet vertical and lateral strengths. Plastic containers had the highest wet punch strength, while Fertil, Cowpot, and peat containers had the lowest wet punch strengths. When saturated substrate was placed into containers and the substrate surface and drainage holes were sealed with wax, plastic, OP47, and rice hull containers had the lowest rates of water loss per unit of container surface area, while peat, Fertil, and rice straw containers had the highest rates of water loss per unit of container surface area. The amounts of water required to produce a geranium (Pelargonium ×hortorum) crop were significantly higher and the average irrigation intervals were shorter for peat, Fertil, coconut fiber, Cowpot, and rice straw containers than for traditional plastic containers. The amounts of water required to produce a geranium crop and the average irrigation intervals were similar among plastic, rice hull, and OP47 containers. Algal and fungal coverage on the outside container walls averaged 47% and 26% for peat and Fertil containers, respectively, and was higher than for all other containers tested, which had 4% or less algal and fungal coverage. After 8 weeks in the field, Cowpot containers had decomposed 62% and 48% in the Pennsylvania and Louisiana locations, respectively. Peat, rice straw, and Fertil containers decomposed 32%, 28%, and 24%, respectively, in Pennsylvania, and 10%, 9%, and 2%, respectively, in Louisiana. Coconut fiber containers had the lowest level of decomposition at 4% and 1.5% in Pennsylvania and Louisiana, respectively.

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Use of Compostable Pots for Potted Ornamental Plants Production

Cited by 6 publications

References 0 publications

Growth and Development of ‘Eckespoint Classic Red’ Poinsettia in Biodegradable and Compostable Containers

Growth and Development of ‘Eckespoint Classic Red’ Poinsettia in Biodegradable and Compostable Containers

Biodegradable pots for Poinsettia cultivation: Agronomic and technical traits

Physical Properties of Biocontainers for Greenhouse Crops Production

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