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| Titel: |
Optimum Nutrient Level on Growth, Flowering, and Rhizome Production in Curcuma |
| Auteur: |
Lee, Jong Suk Lee, Ae Kyung Suh, Jeung Keun |
| Verschenen in: |
Journal of plant nutrition |
| Paginering: | Jaargang 31 (2008) nr. 12 pagina's 2183-2195 |
| Jaar: |
2008-12 |
| Inhoud: |
This study investigated the effect of liquid fertilizer treatments on growth, flowering, leaf mineral content, and rhizome production during forcing of Curcuma alismatifolia 'Chiang Mai Pink' and C. thorelii 'Chiang Mai Snow'. Plants were irrigated with 200 mL of 1.3 g L-1 of 15 nitrogen (N) -7 phosphorus (P) -14 potassium (K) water soluble fertilizer at 0, 1.3, 2.7, 4.0, 5.3, or 6.6 g L-1 weekly. Days to flower, flower stem length, and leaf length were recorded, the mineral contents in leaves were analyzed, and the number of rhizomes with tuberous roots were recorded at harvest. Flowering of the first inflorescence in both C. alismatifolia 'Chiang Mai Pink' and C. thorelii 'Chiang Mai Snow' was significantly delayed when plants received 6.6 g L-1 fertilizer as compared to the control plants. The number of rhizomes with more than 4 tuberous roots was highest when plants received 2.7 g L-1 fertilizer. No medium-sized rhizomes with more than seven tuberous roots were produced when 'Chiang Mai Pink' plants received 0, 4.0, 5.3, and 6.6 g L-1 fertilizer. Based on the production of rhizomes with four to six tuberous roots, optimum concentration of 15N -7P -14K water soluble fertilizer is 2.7 g L-1 for C. alismatifolia 'Chiang Mai Pink' and 1.3 to 4.0 g L-1 for C. thorelii 'Chiang Mai Snow'. Although high boron content occurred only in the outer part of the second leaf when fertilizer concentrations were increased, leaf-margin burn (LMB) symptoms were not observed in both species and this could not be related to the production of rhizomes. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 11 van 13 gevonden artikelen
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