INFORMAZIONI SU QUESTO ARTICOLO
Article Category: Research Article
Pubblicato online: 30 giu 2017
Pagine: 81 - 87
Ricevuto: 14 mar 2017
Accettato: 04 lug 2017
DOI: https://doi.org/10.1515/boku-2017-0008
Parole chiave
© 2017 Agnieszka Klimek-Kopyra, Jacek Strojny, Tadeusz Zając, Anna Ślizowska, Jana Klimešova, Reinhard W. Neugschwandtner, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Statistical evaluation of considered factors (ordinal regression model) for seed mass categoriesTabelle 4. Statistische Evaluierung der betrachteten Faktoren (ordinales Regressionsmodelles) hinsichtlich der Kategorien des Samengewichts
| Model component | Variable level | Estimate | Standard error | Wald | df | Significance | 95% Confidence interval | |
|---|---|---|---|---|---|---|---|---|
| Lower bound | Upper bound | |||||||
| Threshold | [1] < 200 mg | −0.824 | 0.054 | 232.6 | 1 | <0.001 | −0.930 | −0.718 |
| [2] 200–240 mg | −0.303 | 0.051 | 35.2 | 1 | <0.001 | −0.403 | −0.203 | |
| [3] 240–270 mg | 0.232 | 0.052 | 19.6 | 1 | <0.001 | 0.129 | 0.335 | |
| [4] 270–300 mg | 1.045 | 0.059 | 311.1 | 1 | <0.001 | 0.929 | 1.161 | |
| Location | [Seeds per pod] | 0.056 | 0.008 | 50.9 | 1 | <0.001 | 0.041 | 0.072 |
| [Pods per plant] | 0.048 | 0.010 | 22.2 | 1 | <0.001 | 0.028 | 0.068 | |
| [Seeds per plant] | −0.006 | 0.002 | 9.7 | 1 | <0.002 | −0.010 | −0.002 | |
| [Year = 2010] | −0.849 | 0.030 | 796.2 | 1 | <0.001 | −0.908 | −0.790 | |
| [Year = 2011] | 0.000 | . | . | 0 | . | . | . | |
| [Cultivar = Klif] | −0.727 | 0.028 | 691. 7 | 1 | <0.001 | −0.781 | −0.673 | |
| [Cultivar = Tarchalska] | 0.000 | . | . | 0 | . | . | . | |
| [IUNG = 1] | 0.081 | 0.022 | 13.7 | 1 | <0.001 | 0.038 | 0.125 | |
| [Nitragina = 2] | 0.038 | 0.023 | 2.9 | 1 | 0.088 | −0.006 | 0.083 | |
| [Control = 3] | 0.000 | . | . | 0 | . | . | . | |
| Scale | [Cultivar = Klif ] | −0.621 | 0.029 | 448.2 | 1 | <0.001 | −0.678 | −0.563 |
| [Cultivar = Tarchalska] | 0.000 | . | . | 0 | . | . | . | |
| [Year = 2010] | −0.492 | 0.031 | 246.6 | 1 | <0.001 | −0.553 | −0.430 | |
| [Year = 2011] | 0.000 | . | . | 0 | . | . | . | |
Weather conditions in the two experimental yearsTabelle 1. Wetterbedingungen in den zwei Versuchsjahren
| Years | April | May | June | July | August | |
|---|---|---|---|---|---|---|
| Temperature (°C) | 2010 | 7.5 | 11.7 | 16.7 | 20.4 | 18.5 |
| 2011 | 9.7 | 13.2 | 17.4 | 17.3 | 18.9 | |
| Long-term mean | 8.1 | 13.7 | 16.5 | 18.2 | 17.9 | |
| Rainfall (mm) | 2010 | 66.5 | 193.2 | 103.5 | 208.5 | 95.1 |
| 2011 | 29.2 | 71.5 | 99.5 | 167.5 | 73.2 | |
| Long-term mean | 50.2 | 65.3 | 80.0 | 74.9 | 78.5 |
Means and analysis of variance of seed mass and quantitative variables (seeds per pod, pods per plant and seeds per plant) as affected by the qualitative variables (year, cultivar and inoculant)Tabelle 2. Mittelwerte und Varianzanalyse des Samengewichts und der quantitativen Variablen (Samen pro Hülse, Hülsen pro Pflanze und Samen pro Pflanze) in Abhängigkeit der qualitativen Variablen (Jahr, Sorte und Inokulum)
| Seed mass | Seeds | Pods | Seeds | |
|---|---|---|---|---|
| (mg) | (per pod) | (per plant) | (per plant) | |
| 2010 | 210b | 2.45b | 6.82b | 28.3b |
| 2011 | 270a | 2.88a | 7.18a | 33.5a |
| Tarchalska | 270a | 2.55b | 6.50b | 27.4b |
| Klif | 220b | 2.76a | 7.42a | 33.9a |
| IUNG | 250a | 2.87a | 7.30a | 33.2a |
| Nitragina | 240a | 2.69b | 6.86b | 30.6b |
| Control | 260a | 2.45c | 6.85b | 29.1c |
Model fitting informationTabelle 3. Informationen zur Modellanpassung
| Model | −2 Log likelihood | Chi-square | df | Significance |
|---|---|---|---|---|
| Intercept only | 10,564.1 | |||
| Final model | 7,338.1 | 3,226.0 | 9 | 0.000 |