Articles

RELATIONSHIP OF DIGGING DATE, CHILLING AND ROOT CARBOHYDRATE CONTENT TO STORABILITY OF STRAWBERRY PLANTS

Article number
439_103
Pages
623 – 626
Language
Abstract
‘Elsanta’ strawberry plants were dug weekly from 21 November 1994 until 25 January 1995. Roots were analyzed for starch and sucrose.
The plants were put in polyethylene bags and placed in cold storage at -1.5°C until 18 July 1995 prior to planting in a plastic tunnel.
Mainly sugars and to a lesser extent starch and dry matter accumulated as plants received more field chilling.
A significant positive relationship between hours below 6°C and root sucrose content (r=0.76, P<0.01) at digging and subsequent yield (r=0.90, P<0.01) was found.
Plants dug from 21 November until 15 December were not satisfactory for longterm storage due to lack of field chilling.
Optimum digging dates for long term cold storage were considered to be between 27 December and 18 January as plants obtained sufficient chilling (at least 480 hours below 6°C) and root sugar content was higher than 100 mg/g dry matter.

Publication
Authors
F. Lieten
Keywords
Fragaria x ananassa, cold storage
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