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Method for selecting asparagus varieties with a long fibreless top

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Abstract

The selection of varieties which have longer fibreless tops than the existing varieties is thought to be of importance for canning. A rapid and simple method of determining the fibre content, based on the breaking of the spear, has been developed. If the spear is broken in a certain manner, the borderline between the fibrous and fibreless region coincides with the fracture. It appears that the length of the fibreless top is correlated with the total length of the spear. Based on the above data an apparatus has been designed for rapidly analysing a large number of spears in the field. To this end the spears may have to be grown green instead of white during one season. Possible faults of the method and the practical value of varieties with longer fibreless tops are discussed.

Samenvatting

Het selecteren van rassen met een langere vezelvrije top dan de bestaande wordt van belang geacht voor de industriële verwerking van asperges. Een snelle en eenvoudige methode, gebaseerd op het doorbreken van de stengel is uitgewerkt. De grens tussen vezelhoudend en vezelvrij valt bij een bepaalde wijze van breken namelijk samen met het breukvlak. De lengte van de vezelvrije top blijkt op eenvoudige wijze samen te hangen met de totale lengte van de stengel. Gebaseerd op het bovenstaande is een toestel ontworpen, waarmede te velde in korte tijd een groot aantal stengels kan worden geanalyseerd. De asperges moeten hiertoe eventueel gedurende één seizoen groen i.p.v. wit worden geteeld. Mogelijke fouten van de methode en de eventuele praktische waarde van rassen met een langere vezelvrije top worden besproken.

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Authors and Affiliations

  1. Institute of Horticultural Plant Breeding, Wageningen

    J. A. Huyskes

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  1. J. A. Huyskes
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Huyskes, J.A. Method for selecting asparagus varieties with a long fibreless top. Euphytica 8, 21–28 (1959). https://doi.org/10.1007/BF00022085

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  • DOI: https://doi.org/10.1007/BF00022085

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