News Archive

Dutch courage: The potato covenant model shows the way

27 maart 2020 – Across the channel in the Netherlands a remarkable thing is happening. The whole supply chain has worked together through the ‘Potato Covenant’ to shift the organic potato sector to 100% use of robust,

Organic trial field at Randwijk harvested

August 2019 – In ideal conditions the organic trial field at Randwijk was harvested and brought in. The fertile clay soil typical of the Betuwe area, with timely overhead irrigation yielded a very decent product, with ample

Visit Phytophthora trial field July 30th, 2019

The meeting first convenes indoors. Peter first commemorates the passing away last month of Joute Miedema, hobby breeder within the Bioimpuls project right from the start. Then the lobby efforts are detailed with which extension with another

Testing for after-buising-darkening on trial samples 2018

Tubers from our yield trials 2018 were tested for after-bruising-darkening (ABD). Sample preparation was done by Fobek at Sint-Annaparochie, one of the partner breeding stations in the Bioimpuls project. Bruising evaluation was done by Christel Engelen (Wageningen

Model simulation of Phytophthora resistance in potato

On September 4th, 2018 in Wageningen a doctoral thesis titled ‘Social-ecological modelling of potato late blight. Managing crop resistance in disease control.’ was defended by Francine Pacilly. Promotor was Edith Lammerts van Bueren, the former Bioimpuls

Trial fields 2018

2018 Was an exceptionally warm and dry growing season. The field test on Phytophthora resistance, for which we introduce and subsequently promote the disease on an isolated trial field, was unsuccessful this year. The infection didn’t take

Selection of field generation 1 seedlings

Under ideal conditions selection of field generation 1 seedlings was carried out last month. Each individual plant potentially can be a new variety, and is therefore evaluated individually. Only the most promising ones are selected for replanting

Covenant Robust potato varieties

Breeders, growers, seed companies and retail have joined forces in order to have 100% of so called Robust varieties in the organic potato category by 2020. For which potential varieties are now being tested. Partners of this

Bioimpuls visits the project partners

This season the Bioimpuls team visited the project partners Den Hartigh and HZPC to discuss progress and further expectations of the project, and view selection material out in the field.

Bioimpuls at the Biofach 2018 (Nürnberg, Germany)

At the Biofach 2018 Breeding court some room was made for the Bioimpuls program, as an example of a broadly supported participative potato breeding program. Further, Peter Keijzer presented a lecture, in which the Bioimpuls program was