Details
| Original language | English |
|---|---|
| Pages (from-to) | 653-664 |
| Number of pages | 12 |
| Journal | Journal of Horticultural Science and Biotechnology |
| Volume | 97 |
| Issue number | 5 |
| Early online date | 27 Feb 2022 |
| Publication status | Published - 2022 |
Abstract
Reducing plant height for ornamental potted plants is an important factor. Conventionally, a compact growth is obtained through the extensive use of chemical growth retardants that can be hazardous to human health or the environment. In this study, ethanol irrigation was successfully proven to produce compact growth in the economically important ornamental plant Campanula portenschlagiana. The vegetative growth decreased when ethanol concentration was increased from 0.5% to 6%. Similarly, there was also a significant reduction in root length, while higher ethanol treatments from 4% were toxic and caused injuries. Further, higher ethanol levels led to partially leave yellowing or necrosis. An increase in osmotic potential was observed, but it was not significantly different between untreated plants and those treated under moderate ethanol concentration (0.5–2%). Considering the generative parameters, ethanol from 2% delayed flower formation and the longevity of flowers treated with the higher ethanol concentration (4–6%) is also significantly reduced. Generally, ethanol at moderate concentrations of 2% has desirable effects on vegetative growth traits, while it already affects generative growth, but without other obvious damage to the plants. Thus, it has been successfully demonstrated that ethanol watering is an alternative to other growth regulating agents or applications.
Keywords
- Campanula portenschlagiana, ethanol irrigation/ethanol watering, growth retardants, osmotic stress, plant growth regulators, stem elongation
ASJC Scopus subject areas
- Biochemistry, Genetics and Molecular Biology(all)
- Genetics
- Agricultural and Biological Sciences(all)
- Horticulture
Sustainable Development Goals
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In: Journal of Horticultural Science and Biotechnology, Vol. 97, No. 5, 2022, p. 653-664.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Induction of compact growth in Campanula portenschlagiana plants by ethanol treatments
AU - Gehl, Christian
AU - Nwabunike Adibe, Samuel Obinna
AU - Serek, Margrethe
N1 - Funding Information: The authors would like to thank Gartneriet Thoruplund A/S, for their kind supply of the Campanula portenschlagiana plants, and the group of Prof. Dr. M. Knoche of the Leibniz University Hannover, Section of Fruit Science for all measurements of osmotic potential.
PY - 2022
Y1 - 2022
N2 - Reducing plant height for ornamental potted plants is an important factor. Conventionally, a compact growth is obtained through the extensive use of chemical growth retardants that can be hazardous to human health or the environment. In this study, ethanol irrigation was successfully proven to produce compact growth in the economically important ornamental plant Campanula portenschlagiana. The vegetative growth decreased when ethanol concentration was increased from 0.5% to 6%. Similarly, there was also a significant reduction in root length, while higher ethanol treatments from 4% were toxic and caused injuries. Further, higher ethanol levels led to partially leave yellowing or necrosis. An increase in osmotic potential was observed, but it was not significantly different between untreated plants and those treated under moderate ethanol concentration (0.5–2%). Considering the generative parameters, ethanol from 2% delayed flower formation and the longevity of flowers treated with the higher ethanol concentration (4–6%) is also significantly reduced. Generally, ethanol at moderate concentrations of 2% has desirable effects on vegetative growth traits, while it already affects generative growth, but without other obvious damage to the plants. Thus, it has been successfully demonstrated that ethanol watering is an alternative to other growth regulating agents or applications.
AB - Reducing plant height for ornamental potted plants is an important factor. Conventionally, a compact growth is obtained through the extensive use of chemical growth retardants that can be hazardous to human health or the environment. In this study, ethanol irrigation was successfully proven to produce compact growth in the economically important ornamental plant Campanula portenschlagiana. The vegetative growth decreased when ethanol concentration was increased from 0.5% to 6%. Similarly, there was also a significant reduction in root length, while higher ethanol treatments from 4% were toxic and caused injuries. Further, higher ethanol levels led to partially leave yellowing or necrosis. An increase in osmotic potential was observed, but it was not significantly different between untreated plants and those treated under moderate ethanol concentration (0.5–2%). Considering the generative parameters, ethanol from 2% delayed flower formation and the longevity of flowers treated with the higher ethanol concentration (4–6%) is also significantly reduced. Generally, ethanol at moderate concentrations of 2% has desirable effects on vegetative growth traits, while it already affects generative growth, but without other obvious damage to the plants. Thus, it has been successfully demonstrated that ethanol watering is an alternative to other growth regulating agents or applications.
KW - Campanula portenschlagiana
KW - ethanol irrigation/ethanol watering
KW - growth retardants
KW - osmotic stress
KW - plant growth regulators
KW - stem elongation
UR - http://www.scopus.com/inward/record.url?scp=85125955252&partnerID=8YFLogxK
U2 - 10.1080/14620316.2022.2036253
DO - 10.1080/14620316.2022.2036253
M3 - Article
AN - SCOPUS:85125955252
VL - 97
SP - 653
EP - 664
JO - Journal of Horticultural Science and Biotechnology
JF - Journal of Horticultural Science and Biotechnology
SN - 1462-0316
IS - 5
ER -