Starch potatoes

January 18, 2021 | Blogs

Photosynthesis and starch formation in potatoes

In the dark, no photosynthesis takes place. To the contrary, a reverse process occurs— respiration—whereby sugars are respired producing a molecule called ATP (adenosine triphosphate). ATP is formed from a phosphate ion (P) with adenosine diphosphate (ADP) thanks to solar energy or energy released by respiring sugars. ATP is the molecule that is used to…

September 19, 2018 | Articles

Figures determine the choice of starch varieties

At the end of June, Royal ZAP/Semagri organised two open practical days for the sixth time to inform starch growers about the possibilities of new varieties. ‘Growers of starch potatoes are looking for varieties with the right resistances and high-starch yield that are best for their own farms. Figures determine the choice’, explains specialist Jarke…

September 12, 2017 | Articles

To ensure the continued survival of our cooperative, it’s important to have our own varieties’

On 13 February, the members of the Royal-ZAP cooperative in Ewijcksluis adopted the takeover of seed potato merchant Semagri in Lelystad. Semagri’s director/owner Lammert Buwalda (67) is very happy that he can transfer the company, which he set up in 2002, to the cooperative with the full confidence of its members. ‘I’ve always had a…