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Tylose formation in elms after inoculation with Ceratocystis ulmi, a possible resistance mechanism

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Abstract

After inoculation of elms withCeratocystis ulmi tylose formation in vessels of the susceptible clone ‘Belgica’ appeared to be delayed in comparison with tylose formation in the resistant clone ‘390’. It is suggested that tylose formation may be a resistance mechanism in elms to Dutch elm disease.

Samenvatting

Na inoculatie van iepen metCeratocystis ulmi bleek de thyllenvorming te zijn vertraagd in de vaten van de vatbare kloon ‘Belgica’ in vergelijking met de thyllenvorming in de resistente kloon ‘390’ (Fig. 1). Thyllenvorming zou een resistentie mechanisme kunnen zijn tegen de iepziekte.

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  1. D. M. Elgersma

    Present address: Phytopathological Laboratory ‘Willie Commelin Scholten’, Javalaan 20, Baarn, the Netherlands

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    1. D. M. Elgersma
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    Elgersma, D.M. Tylose formation in elms after inoculation with Ceratocystis ulmi, a possible resistance mechanism. Netherlands Journal of Plant Pathology 79, 218–220 (1973). https://doi.org/10.1007/BF01974237

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    • DOI: https://doi.org/10.1007/BF01974237

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