Iets over de bestrijding van kringerigheid bij aardappelen

Summary The effect of potassium permanganate on the control of sprain in potatoes was tested in field experiments.The experiments were conducted for 3 years with the varieties Eersteling (Duke of York) and Saskia, planted in light soil.The potassium permanganate was spread on the soil and than mixed with the soil. In these experiments a dose of 90 gr/m² distinctly decreased the percentage of tubers with sprain.     

Onbekende groeiafwijking in aardappelen

In the summer of 1968 a peculiar and unknown growth abnormality of potato leaves has been observed. Leaflets in the top of plants grew stiff erect and showed an upward rolling along the midvein, together with a discoloration starting from the tip of leaflets. Its cause is not yet understood.Het onderzoek is door verscheidene onderzoekers verbonden aan diverse instellingen uitgevoerd.     

Het blauw worden der aardappelen

European Journal of Plant Pathology -     

De oorzaak van het epidemisch optreden van de phytophthoraziekte van de seringen

Instituut voor Phytopathologie, Laboratorium voor Mycologie en Aardappelonderzoek