Contents tagged with Potato

4 December 2018

Black dot is one of the most important blemish diseases for the potato packing industry and can cause a significant decrease in produce quality through downgrading and consequent economic loss. This guide is aimed at helping growers and store managers manage the risk of damages from this disease.

30 January 2019

Of all pests and diseases of potatoes in Great Britain, infestation by potato cyst nematodes (PCN), or eelworms, is the most damaging. Yield losses depend on pest populations, soil type and potato variety, with a range of 1–35% in trials, with infestations at 10–20 eggs per gram of soil.

12 November 2018

Potato Disease Tool will help you identify the disease effecting your potatoes

12 November 2018

Potato Defect Tool will help you identify common defects effecting your potatoes.

7 November 2018

Pit rot is a grouping of defects with similar looking symptoms. The name refers to the old fashioned straw covered potato pits or clamps from which the problem was particularly noticeable.

7 November 2018

Internal sprouting is a physiological condition where a tuber has a sprout growing either inside it or passing through an adjacent tuber.

7 November 2018

Hollow heart and internal browning are different stages of the same internal defect however they commonly occur separately.

7 November 2018

Exposure of tubers to light, either in the field or during storage will result in the formation of chloroplasts that contain chlorophyll, the green pigment associated with the irreversible condition called greening.

7 November 2018

Bruising or blackspot bruising is caused when the tuber is impacted. The skin doesn’t break, but internal tissues are damaged leading to the formation of the pigment melanin, which will make the damaged area appear black, or dark to light grey.

7 November 2018

Blackheart is an internal defect caused by low oxygen and high carbon dioxide levels in the tuber and occurs where the respiration demand for oxygen exceeds the available supply.

6 November 2018

Combined quality and yield losses make PVY the most damaging of the potato viruses. PVY has considerable biological, serological and molecular variability making specific detection difficult.

6 November 2018

Watery Wound Rot or Leak is a vigorous rot of lifted tubers caused by the fungus Pythium ultimum. It is widespread and common but only occasionally serious in a crop.