Wydłużenie okresu zbioru truskawek przez zastosowanie różnych wariantów opóźnionego sadzenia roślin frigo Possibilities of extending the ripening time of strawberry by using different variants of delayed planting of frigo plants
The studies were conducted in 2008
-
2009 in the Pomological Orchard of the
Research Institute of Pomology and Floriculture in Skierniewice, Poland. The experiment
consisted of three factors:
A
–
planting time of frigo plants (15 June, 25 June and 5 July),
B
–
type of frigo plants (A
–
crown diameter 10
-
15 mm, A+
–
crown diameter above
15
mm, raised bed plants
–
crown diameter above 18 mm and 2 or more side crowns and
plug plants), C
–
method of so
il protection against overheating (covering with straw or
without covering). Two cultivars: ‘Ventana’ and ‘Elsanta’ were used in the studies.
Delaying the planting time of frigo plants had an effect on delaying the fruit
ripening time of both cultivars fo
r about 6 weeks in comparison with the traditional
cultivation of these cultivars (the first ripened fruits were picked at the end of July, the
last ones
–
at the end of September). ‘Elsanta’ gave higher yields than ‘Ventana’, but for
both cultivars the hi
ghest yield was obtained from the plants planted on 5 July. The raised
bed and A+ plants were the most productive, while the plug plants were the least
productive. The largest fruits were obtained from the plants planted on 5 July. Fruits of
the cultivar
‘Ventana’, picked in September, were the richest in ascorbic acid.
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