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ISHS Acta Horticulturae 842: VI International Strawberry Symposium

INFLUENCE OF HEAT SPREAD SYSTEM ON MALFORMATION OF 'ELSANTA' STRAWBERRIES IN SPRING

Authors:   E.M. Desmet, L. Verbraeken, W. Baets
Keywords:   Fragaria × ananassa, strawberry, heating system, climate regulation, air circulation
DOI:   10.17660/ActaHortic.2009.842.46
Abstract:
Malformation of ‘Elsanta’ strawberries (Fragaria × ananassa) in a spring cultivation in a heated glass greenhouse is subject to different speculations. Insufficient pollination, reduced development of stamens, shortage of cold accumulation during winter and forced growth by heating. Two different systems of heat spread based on a network of respectively warm water pipes and warm air tubes were evaluated. A reduction of 8.3% of malformed fruits as well as an increase of production of 21% and an improved plant vigour was observed in the greenhouse heated with the warm air tubes.

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