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548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development
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Zeitschriftentitel: | HortScience |
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Personen und Körperschaften: | , , , |
In: | HortScience, 34, 1999, 3, S. 540D-540 |
Format: | E-Article |
Sprache: | Unbestimmt |
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American Society for Horticultural Science
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Schlagwörter: |
author_facet |
Panter, Karen L. Newman, Steven E. Briggs, Amy M. Roll, Michael J. Panter, Karen L. Newman, Steven E. Briggs, Amy M. Roll, Michael J. |
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author |
Panter, Karen L. Newman, Steven E. Briggs, Amy M. Roll, Michael J. |
spellingShingle |
Panter, Karen L. Newman, Steven E. Briggs, Amy M. Roll, Michael J. HortScience 548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development Horticulture |
author_sort |
panter, karen l. |
spelling |
Panter, Karen L. Newman, Steven E. Briggs, Amy M. Roll, Michael J. 0018-5345 2327-9834 American Society for Horticultural Science Horticulture http://dx.doi.org/10.21273/hortsci.34.3.540d <jats:p>Three application rates of two new growing medium surfactants were tested under two different irrigation systems on <jats:italic>Dianthus barbatus</jats:italic> plants. The objectives of the study were to determine if either of the surfactants influenced plant growth and development and to determine if surfactant applications decreased irrigation frequencies. The three levels of surfactant tested were 0 mg·L<jats:sup>–1</jats:sup> (control), 10 mg·L<jats:sup>–1</jats:sup> applied at each watering, and 100 mg·L<jats:sup>–1</jats:sup> applied once a week. Each surfactant and rate was tested on hand-watered and ebb-and-flood irrigated plants. <jats:italic>D. barbatus</jats:italic> plants were grown for 8 weeks in 875-ml (12.7 cm) pots. Plants were watered when at least one plant per treatment showed visible wilt. Results showed that phytotoxicity symptoms occurred with repeated applications of both surfactants tested, especially at the 10 mg·L<jats:sup>–1</jats:sup> rate at each watering. Application of either surfactant at 10 mg·L<jats:sup>–1</jats:sup> at each watering decreased plant heights, dry weights, and plant widths, and increased phytotoxicity symptoms over the controls and the 100 mg·L<jats:sup>–1</jats:sup> weekly treatments. Fewer waterings were required in surfactant-treated containers.</jats:p> 548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development HortScience |
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10.21273/hortsci.34.3.540d |
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American Society for Horticultural Science, 1999 |
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title |
548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development |
title_unstemmed |
548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development |
title_full |
548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development |
title_fullStr |
548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development |
title_full_unstemmed |
548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development |
title_short |
548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development |
title_sort |
548 repeated applications of growing medium surfactants affect dianthus barbatus growth and development |
topic |
Horticulture |
url |
http://dx.doi.org/10.21273/hortsci.34.3.540d |
publishDate |
1999 |
physical |
540D-540 |
description |
<jats:p>Three application rates of two new growing medium surfactants were tested under two different irrigation systems on <jats:italic>Dianthus barbatus</jats:italic> plants. The objectives of the study were to determine if either of the surfactants influenced plant growth and development and to determine if surfactant applications decreased irrigation frequencies. The three levels of surfactant tested were 0 mg·L<jats:sup>–1</jats:sup> (control), 10 mg·L<jats:sup>–1</jats:sup> applied at each watering, and 100 mg·L<jats:sup>–1</jats:sup> applied once a week. Each surfactant and rate was tested on hand-watered and ebb-and-flood irrigated plants. <jats:italic>D. barbatus</jats:italic> plants were grown for 8 weeks in 875-ml (12.7 cm) pots. Plants were watered when at least one plant per treatment showed visible wilt. Results showed that phytotoxicity symptoms occurred with repeated applications of both surfactants tested, especially at the 10 mg·L<jats:sup>–1</jats:sup> rate at each watering. Application of either surfactant at 10 mg·L<jats:sup>–1</jats:sup> at each watering decreased plant heights, dry weights, and plant widths, and increased phytotoxicity symptoms over the controls and the 100 mg·L<jats:sup>–1</jats:sup> weekly treatments. Fewer waterings were required in surfactant-treated containers.</jats:p> |
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author | Panter, Karen L., Newman, Steven E., Briggs, Amy M., Roll, Michael J. |
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description | <jats:p>Three application rates of two new growing medium surfactants were tested under two different irrigation systems on <jats:italic>Dianthus barbatus</jats:italic> plants. The objectives of the study were to determine if either of the surfactants influenced plant growth and development and to determine if surfactant applications decreased irrigation frequencies. The three levels of surfactant tested were 0 mg·L<jats:sup>–1</jats:sup> (control), 10 mg·L<jats:sup>–1</jats:sup> applied at each watering, and 100 mg·L<jats:sup>–1</jats:sup> applied once a week. Each surfactant and rate was tested on hand-watered and ebb-and-flood irrigated plants. <jats:italic>D. barbatus</jats:italic> plants were grown for 8 weeks in 875-ml (12.7 cm) pots. Plants were watered when at least one plant per treatment showed visible wilt. Results showed that phytotoxicity symptoms occurred with repeated applications of both surfactants tested, especially at the 10 mg·L<jats:sup>–1</jats:sup> rate at each watering. Application of either surfactant at 10 mg·L<jats:sup>–1</jats:sup> at each watering decreased plant heights, dry weights, and plant widths, and increased phytotoxicity symptoms over the controls and the 100 mg·L<jats:sup>–1</jats:sup> weekly treatments. Fewer waterings were required in surfactant-treated containers.</jats:p> |
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spelling | Panter, Karen L. Newman, Steven E. Briggs, Amy M. Roll, Michael J. 0018-5345 2327-9834 American Society for Horticultural Science Horticulture http://dx.doi.org/10.21273/hortsci.34.3.540d <jats:p>Three application rates of two new growing medium surfactants were tested under two different irrigation systems on <jats:italic>Dianthus barbatus</jats:italic> plants. The objectives of the study were to determine if either of the surfactants influenced plant growth and development and to determine if surfactant applications decreased irrigation frequencies. The three levels of surfactant tested were 0 mg·L<jats:sup>–1</jats:sup> (control), 10 mg·L<jats:sup>–1</jats:sup> applied at each watering, and 100 mg·L<jats:sup>–1</jats:sup> applied once a week. Each surfactant and rate was tested on hand-watered and ebb-and-flood irrigated plants. <jats:italic>D. barbatus</jats:italic> plants were grown for 8 weeks in 875-ml (12.7 cm) pots. Plants were watered when at least one plant per treatment showed visible wilt. Results showed that phytotoxicity symptoms occurred with repeated applications of both surfactants tested, especially at the 10 mg·L<jats:sup>–1</jats:sup> rate at each watering. Application of either surfactant at 10 mg·L<jats:sup>–1</jats:sup> at each watering decreased plant heights, dry weights, and plant widths, and increased phytotoxicity symptoms over the controls and the 100 mg·L<jats:sup>–1</jats:sup> weekly treatments. Fewer waterings were required in surfactant-treated containers.</jats:p> 548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development HortScience |
spellingShingle | Panter, Karen L., Newman, Steven E., Briggs, Amy M., Roll, Michael J., HortScience, 548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development, Horticulture |
title | 548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development |
title_full | 548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development |
title_fullStr | 548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development |
title_full_unstemmed | 548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development |
title_short | 548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development |
title_sort | 548 repeated applications of growing medium surfactants affect dianthus barbatus growth and development |
title_unstemmed | 548 Repeated Applications of Growing Medium Surfactants Affect Dianthus barbatus Growth and Development |
topic | Horticulture |
url | http://dx.doi.org/10.21273/hortsci.34.3.540d |