Summary
A study was made on the incidence of internal deviations in buttons of Brussels sprouts. Sprouts picked in the autumn showed an only slight degree of internal necrosis, in contrast to those picked in the winter. Large sprouts were more sensitive than smaller ones. No clear direct effect of nitrogen and planting distance could be established. Low temperatures in the winter are considered to be the main causal factor of this type of necrosis. Very distinct differences in sensitivity between varieties and strains were found. probably resistant varieties may be bred by selection.
Samenvating
Onderzoek werd uitgevoerd over het voorkomen van inwendige afwijkingen in spruitkool. In spruiten geplukt in de herfst kwam weinig inwendige necrose voor, in tegenstelling tot de in de winter geplukte spruiten. Grote spruiten waren gevoeliger dan kleine. Er kon geen direct van stikstof en plantafstand worden vastgesteld. Lage temperaturen in de winter zijn waarschijnlijk de belangrijkste oorzaak van het optreden van de gevonden necrose. Tussen rassen en selecties werden zeer duidelijke verschillen in gevoeligheid gevonden. Misschien kunnen door selectie resistente rassen worden gekweekt.
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Nieuwhof, M. Factors affecting the incidence of internal deviations in Brussels sprouts (Brassica oleracea L. var. Gemmifera DC.). Euphytica 20, 527–535 (1971). https://doi.org/10.1007/BF00034208
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DOI: https://doi.org/10.1007/BF00034208