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Growth and development of ‘Eckespoint Classic Red’ poinsettia in biodegradable and compostable containers

HortTechnology (Alexandria, Va.), 2011-08, Vol.21 (4), p.419-423 [Peer Reviewed Journal]

ISSN: 1063-0198 ;EISSN: 1943-7714 ;DOI: 10.21273/horttech.21.4.419

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  • Title:
    Growth and development of ‘Eckespoint Classic Red’ poinsettia in biodegradable and compostable containers
  • Author: Lopez, Roberto G ; Camberato, Diane M
  • Subjects: cattle manure ; coconuts ; coir ; color ; containers ; cultivars ; durability ; Euphorbia pulcherrima ; flowering ; greenhouses ; growth and development ; mosses and liverworts ; plastics ; rice hulls ; shoots ; Sphagnum ; straw ; wheat ; wheat starch ; wood pulp
  • Is Part Of: HortTechnology (Alexandria, Va.), 2011-08, Vol.21 (4), p.419-423
  • Description: 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.
  • Language: English
  • Identifier: ISSN: 1063-0198
    EISSN: 1943-7714
    DOI: 10.21273/horttech.21.4.419
  • Source: Alma/SFX Local Collection
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