In many strawberry production areas, traditional bare-root transplants
are being replaced by plug plants produced from runners. Tips (unrooted
runners) are rooted into trays filled with various substrates. The success
of rooting depends on various factors such as cultivar, growing medium,
air humidity. The objective of this study was to evaluate the efficiency of
soilless nursery to produce strawberry potted planting material. ‘Elsanta’,
’Grandarosa’ and ‘Pink Rosa’ mother plants were planted in containers and
set on a special rack in the greenhouse. Emerging plantlets were clipped with
metal clips in micro-pots filled with peat or coconut substrate and detached
from the mother plants after 14 days. Efficiency of the nursery and quality
of obtained plantlets were evaluated. Efficiency of the nursery depended
on the number of runners emerging from the mother plants and the number
of plantlets on the runners. The highest number of plantlets was obtained
from ‘Grandarosa’ (29.3), followed by ‘Pink Rosa’ (23.1), and ‘Elsanta’
(19.5). Rooting of plantlets before detaching them from the mother plants
caused all plantlets were properly rooted. Growing media used in the
experiment did not have significant influence on the plantlet rooting. The
greenhouse soilless system for production of strawberry potted plantlets
offers an important alternative to the conventional field grown plantlets.
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