-- F --
F1 HYBRID -- A first generation offspring of two purebred
strains. An Fl hybrid is generally more vigorous than an ordinary hybrid.
FAMILY -- One genus or several genera which have a basically
similar floral pattern make up a family.
FERTILIZE(RS) -- The act of or the actual substance added to
soil to provide additional nutrients for plants. May also be used to describe
the pollination process flowers undergo with the help of bees and other insects.
FIBROUS-ROOTED -- A root system which contains many thin
roots rather than a single tap root.
FLAT -- A shallow box or tray used to start cuttings or
seedlings.
FLORET -- A small flower which is part of a much larger
compound flower head; e.g Cineraria.
FLOWER SPIKE -- A flower head made up of a central stem with
the flowers growing directly on it.
FOILIAR FERTILIZER -- A fertilizer applied in liquid form to
a plant's foliage in a fine spray so that the plant can absorb the nutrients
through its leaves.
FORCING -- The process of making a plant grow or flower
before its natural season.
FROND -- A leaf of a fern or palm.
FUNGICIDE -- A chemical used to control diseases caused by
fungi.
FUNGUS -- A primitive form of plant life which is known to
the house plant grower as the most common cause of infectious disease -- powdery
mildew. sooty mould and area mould.
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