Genotypical differences in nitrate content inLactuca sativa L. and related species and correlation with dry matter content |
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| Authors: | K Reinink R Groenwold A Bootsma |
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| Institution: | (1) Institute for Horticultural Plant Breeding, IVT, P.O. Box 16, 6700 AA Wageningen, the Netherlands |
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| Abstract: | Summary Nitrate content was measured in 135 genotypes of cultivated lettuce (Lactuca sativa L.) and 21 genotypes of wildLactuca spp. grown in two experiments. In Experiment 1 plants were grown on nutrient film. In Experiment 2 plants were grown in large pots of potting soil. Within cultivated lettuce five plant types were distinguished and within each of them genotypes were found with low nitrate content. The coefficient of variation in the experiment with plants growing in large pots was not larger than in the experiment with plants growing on nutrient film. In butterhead genotypes nitrate content was negatively correlated with dry matter content and positively with plant fresh weight. |
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| Keywords: | Lactuca spp Lactuca sativa lettuce nitrate dry matter content |
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