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Germination characteristic of Silphium perfoliatum L. seeds Cover

Germination characteristic of Silphium perfoliatum L. seeds

Die Bodenkultur: Journal of Land Management, Food and Environment
Volume 68 (2017): Issue 2 (June 2017)
By: Markus Gansberger,  Hans-Peter Stüger,  Manfred Weinhappel,  Karl Moder,  Peter Liebhard,  Philipp von Gehren,  Josef Mayr and  Andreas Ratzenböck  
Open Access
|Jun 2017

Figures & Tables

Figure 1

Effect of various temperatures (20°C; 30°C; 20/30°C) and pretreatments (H2O; KNO3; GA3) on the germination of Silphiumperfoliatum L.Abbildung 1. Effekt von unterschiedlichen Temperaturen (20°C; 30°C; 20/30°C) und Vorbehandlungen (H2O; KNO3; GA3) auf die Keimfähigkeit von Silphium perfoliatum L.
Effect of various temperatures (20°C; 30°C; 20/30°C) and pretreatments (H2O; KNO3; GA3) on the germination of Silphiumperfoliatum L.Abbildung 1. Effekt von unterschiedlichen Temperaturen (20°C; 30°C; 20/30°C) und Vorbehandlungen (H2O; KNO3; GA3) auf die Keimfähigkeit von Silphium perfoliatum L.

Mean value and standard deviation of germinated seeds for selected factor levelsTabelle 2_ Mittelwert und Standardabweichung gekeimter Samen für ausgewählte Faktorstufen

FactorsFactor levels
MediumPleated paper (PP)Top of paper (TP)
48.3b ± 30.7%46.6a ± 30.4%
PretreatmentWaterKNO3 (200 mg/L)GA3 (500 mg/L)
39.3a ± 29.8%47.0b ± 30.6%55.9c ± 28.9%
Light24-hours light12-hours light
44.3a ± 29.4%50.6b ± 31.4%
Temperature20°C30°C20/30°C
18.6a ± 18.7%48.5b ± 21.0%75.2c ± 20.2%
PrechillingNo prechilling7 days / 10°C7 days / 5°C7 days / 0°C
33.4a ± 26.6%48.8b ± 31.1%51.8c ± 29.9%55.7d ± 29.6%

Multiple Comparisons of the selected factors temperature, pretreatment and prechillingTabelle 4_ Mehrfachvergleiche der ausgewählten Faktoren Temperatur, Vorbehandlung und Vorkühlung

95% Confidence Interval
(I) temperature(J) temperatureMean Diff. (I-J)Std. ErrorSig.Lower BoundUpper Bound
20°C30°C-29.87

The mean difference is significant at the 0.05 level.

0.514<0.001-31.08-28.67
20<=>30°C-56.560.514<0.001-57.77-55.35
30°C20°C29.870.514<0.00128.6731.08
20<=>30°C-26.690.514<0.001-27.89-25.48
20<=>30°C20°C56.560.514<0.00155.3557.77
30°C26.690.514<0.00125.4827.89
(I) pretreatment(J) pretreatment
H2OKNO3-7.760.514<0.001-8.96-6.55
GA3-16.680.514<0.001-17.89-15.48
KNO3H2O7.760.514<0.0016.558.96
GA3-8.930.514<0.001-10.13-7.72
GA3H2O16.680.514<0.00115.4817.89
KNO38.930.514<0.0017.7210.13
(I) prechilling(J) prechilling
no prechilling7d / 0°C-22.280.593<0.001-23.81-20.76
7d / 5°C-18.390.593<0.001-19.91-16.86
7d / 10°C-15.310.593<0.001-16.84-13.79
7d / 0°Cno prechilling22.280.593<0.00120.7623.81
7d / 5°C3.900.593<0.0012.375.42
7d / 10°C6.970.593<0.0015.458.50
7d / 5°Cno prechilling18.390.593<0.00116.8619.91
7d / 0°C-3.900.593<0.001-5.42-2.37
7d / 10°C3.070.593<0.0011.554.60
7d / 10°Cno prechilling15.310.593<0.00113.7916.84
7d / 0°C-6.970.593<0.001-8.50-5.45
7d / 5°C-3.070.593<0.001-4.60-1.55

Resulting germination test method for Silphium perfoliatum L_ to exploit the germination potentialTabelle 3_ Resultierende Keimfähigkeitstestmethode für Silphium perfoliatum L_ zur Ausschöpfung des Keimfähigkeitspotentials

SpeciesSubstrateTemperature (°C)First count (days)Final count (days)Recommendations for breaking dormancyAdditional directionsAdditional advice
S. perfoliatum L.PP20/30

Alternating temperature and light regime: first temperature 12 hours with light, second temperature 12 hours without light.

721GA3; prechill-prechill 7 days / 0°C; L/D

Alternating temperature and light regime: first temperature 12 hours with light, second temperature 12 hours without light.

Results of the mixed model analysis (ANOVA)Tabelle 1_ Ergebnisse der gemischten Modellanalyse (ANOVA)

Fp-value
Medium14.6<0.001
Light221.3<0.001
Temperature6063.3<0.001
Pretreatment528.0<0.001
Prechilling540.7<0.001
Lot3213.7<0.001
Medium × light14.5<0.001
Light × prechilling18.0<0.001
Light × pretreatment2.70.065
Light × temperature13.9<0.001
Medium × prechilling4.30.005
Medium × pretreatment22.1<0.001
Medium × temperature75.3<0.001
Pretreatment × prechilling11.8<0.001
Temperature × prechilling39.8<0.001
Temperature × pretreatment11.5<0.001
DOI: https://doi.org/10.1515/boku-2017-0007 | Journal eISSN: 2719-5430 | Journal ISSN: 0006-5471
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Language: English
Page range: 73 - 79
Submitted on: Mar 8, 2017
|
Accepted on: May 12, 2017
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Published on: Jun 30, 2017
Published by: Universität für Bodenkultur Wien
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
bioenergy,
cup plant,
dormancy,
seed production,
seed treatment
Related subjects:
Life sciences,
Ecology,
Life sciences, other

© 2017 Markus Gansberger, Hans-Peter Stüger, Manfred Weinhappel, Karl Moder, Peter Liebhard, Philipp von Gehren, Josef Mayr, Andreas Ratzenböck, published by Universität für Bodenkultur Wien
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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