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Enhancing seed germination in hybrid tea roses

Luca Pipino UGent, Valentina Scariot, Laura Gaggero, Andrea Mansuino, Marie-Christine Van Labeke UGent and Annelisa Giovannini (2011) PROPAGATION OF ORNAMENTAL PLANTS. 11(3). p.111-118
abstract
Rose breeders need reliable and efficient germination protocols to exploit all viable embryos in their breeding programme. A combined physical restriction of the seed coat and a physiological dormancy are present in the achenes of hybrid tea roses resulting in variable and not uniform seed germination. In this study, different treatment combinations were assessed to overcome the mechanical resistence of the pericarp and enhance germination. Both chemical and microbial seed scarification were carried out. A mild scarification with sodium hypochlorite (NaOCl) before stratification promoted a more uniform germination and enhanced the percentage of germination from 49.2% to 65.9%. Epiphytic bacteria, Emercal (TM) (a product composed by bacteria and co-metabolites produced by bacterial fermentation), or Remedier (R) (a commercial formulation of Trichoderma harzianum and Trichoderma viridae), added to the stratification sand, enhanced percentage of germinated seeds but had no effect on the uniformity of germination. Addition of a compost activator to the stratification sand did not improve seed germination. After stratification, pre-sowing treatments with GA(3) were carried out. Immersion of stratified seeds in 1 g l(-1) GA(3) highly enhanced percentage of seed germination (77.6%), mean germination time (26.0 days) and uniformity of germination (2.5%) compared to immersion in water (respectively 64.8%, 32.8 days and 7.9%). Therefore, this study proposes a combination of treatments as a reliable optimisation of seed germination protocols for hybrid tea roses.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
ENHANCEMENT, TRICHODERMA, GROWTH, ACID, STRATIFICATION, CROSSES, COMPOST, DORMANCY, TEMPERATURE, SODIUM-HYPOCHLORITE, Trichoderma, dormancy, GA3, sodium hypochlorite, bacteria, Rosa
journal title
PROPAGATION OF ORNAMENTAL PLANTS
Propag. Ornam. Plants
volume
11
issue
3
pages
111 - 118
Web of Science type
Article
Web of Science id
000294794900001
JCR category
HORTICULTURE
JCR impact factor
0.5 (2011)
JCR rank
21/31 (2011)
JCR quartile
3 (2011)
ISSN
1311-9109
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1949167
handle
http://hdl.handle.net/1854/LU-1949167
alternative location
http://www.journal-pop.org/2011_11_3_111-118.html
date created
2011-11-24 20:07:45
date last changed
2011-11-28 08:56:49
@article{1949167,
  abstract     = {Rose breeders need reliable and efficient germination protocols to exploit all viable embryos in their breeding programme. A combined physical restriction of the seed coat and a physiological dormancy are present in the achenes of hybrid tea roses resulting in variable and not uniform seed germination. In this study, different treatment combinations were assessed to overcome the mechanical resistence of the pericarp and enhance germination. Both chemical and microbial seed scarification were carried out. A mild scarification with sodium hypochlorite (NaOCl) before stratification promoted a more uniform germination and enhanced the percentage of germination from 49.2\% to 65.9\%. Epiphytic bacteria, Emercal (TM) (a product composed by bacteria and co-metabolites produced by bacterial fermentation), or Remedier (R) (a commercial formulation of Trichoderma harzianum and Trichoderma viridae), added to the stratification sand, enhanced percentage of germinated seeds but had no effect on the uniformity of germination. Addition of a compost activator to the stratification sand did not improve seed germination. After stratification, pre-sowing treatments with GA(3) were carried out. Immersion of stratified seeds in 1 g l(-1) GA(3) highly enhanced percentage of seed germination (77.6\%), mean germination time (26.0 days) and uniformity of germination (2.5\%) compared to immersion in water (respectively 64.8\%, 32.8 days and 7.9\%). Therefore, this study proposes a combination of treatments as a reliable optimisation of seed germination protocols for hybrid tea roses.},
  author       = {Pipino, Luca and Scariot, Valentina and Gaggero, Laura and Mansuino, Andrea and Van Labeke, Marie-Christine and Giovannini, Annelisa},
  issn         = {1311-9109},
  journal      = {PROPAGATION OF ORNAMENTAL PLANTS},
  keyword      = {ENHANCEMENT,TRICHODERMA,GROWTH,ACID,STRATIFICATION,CROSSES,COMPOST,DORMANCY,TEMPERATURE,SODIUM-HYPOCHLORITE,Trichoderma,dormancy,GA3,sodium hypochlorite,bacteria,Rosa},
  language     = {eng},
  number       = {3},
  pages        = {111--118},
  title        = {Enhancing seed germination in hybrid tea roses},
  url          = {http://www.journal-pop.org/2011\_11\_3\_111-118.html},
  volume       = {11},
  year         = {2011},
}

Chicago
Pipino, Luca, Valentina Scariot, Laura Gaggero, Andrea Mansuino, Marie-Christine Van Labeke, and Annelisa Giovannini. 2011. “Enhancing Seed Germination in Hybrid Tea Roses.” Propagation of Ornamental Plants 11 (3): 111–118.
APA
Pipino, L., Scariot, V., Gaggero, L., Mansuino, A., Van Labeke, M.-C., & Giovannini, A. (2011). Enhancing seed germination in hybrid tea roses. PROPAGATION OF ORNAMENTAL PLANTS, 11(3), 111–118.
Vancouver
1.
Pipino L, Scariot V, Gaggero L, Mansuino A, Van Labeke M-C, Giovannini A. Enhancing seed germination in hybrid tea roses. PROPAGATION OF ORNAMENTAL PLANTS. 2011;11(3):111–8.
MLA
Pipino, Luca, Valentina Scariot, Laura Gaggero, et al. “Enhancing Seed Germination in Hybrid Tea Roses.” PROPAGATION OF ORNAMENTAL PLANTS 11.3 (2011): 111–118. Print.