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Details van artikel 7 van 18 gevonden artikelen
| Titel: |
Influence of Plant Part on Nitrate Concentration in Lettuce and Spinach |
| Auteur: |
Ott, Kristy Koenig, Richard Miles, Carol |
| Verschenen in: |
International journal of vegetable science |
| Paginering: | Jaargang 14 (2008) nr. 4 pagina's 351-361 |
| Jaar: |
2008-09-30 |
| Inhoud: |
The concentration of nitrate-nitrogen (NO3-N) varies between lettuce (Lactuca sativa L.) and spinach (Spinacia oleracea L.). Nitrate is potentially harmful if consumed in large amounts by humans; therefore, understanding which cultivars and plant parts concentrate NO3-N can be useful in developing approaches to reduce dietary NO3-N intake. We determined NO3-N concentration and distribution in cultivars of field-grown lettuce and spinach. In 2006, NO3-N concentration was highest in the outer leaf whorl and lowest in the center of spinach; no difference was found in lettuce. In 2007, overall soil and tissue NO3-N concentrations were lower and there was no interaction between plant part and species or cultivar and no difference among leaf whorls; all cultivars had higher NO3-N concentrations in the midrib and petiole than in the leaf. Differences in NO3-N concentration and distribution suggest that practices such as cultivar selection and selective removal of high NO3-N parts can lower NO3-N consumption by humans. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 7 van 18 gevonden artikelen
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