Genetic variability, Heritability ... ( Gerbera jamesonii )
shelf life (-0.832) and vase life (-0.533) showed highly
per plant. Anuradha and Gowda (2002) reported the
significant and negative correlation. Length of ray floret
positive correlation of flower yield with number of leaves
was highly significant and positive correlation with days
in gerbera.
to flower open after bud emergence (0.375), diameter
of flower stalk (0.422), diameter of neck (0.689) and
Phenotypic level
fresh weight of flower head (0.670). However, shelf life
(-0.292) and number of suckers per plant (-0.323) was
At phenotypic level, number of leaves per plant attained
significant but negatively correlated. Days to flower open
highly significant and positive correlation with number
after bud emergence had highly significant and positive
of flowers per sq. m per year (0.451). Similar findings
correlation with days to harvest stage after flower open
were observed by Kumar et al., (2012) in gerbera which
(0.873), diameter of flower stalk (0.770), number of ray
reveals that cut flower production can be increased by
florets (0.652) while, number of flowers per sq. m per
selecting for number of leaves. Whereas, highly significant
year showed highly significant and negative association
but negative correlation with length of leaf (-0.440) and
(-0.836) but significant and negative association was
days to harvest stage after flower open (-0.468) was
observed with shelf life (-0.298) and number of suckers
observed (table 3). Length of leaf had highly significant
per plant (-0.324). Aswath and Parthasarathy (1994)
and positive correlation with breadth of leaf (0.577),
also noticed positive correlation between days taken
plant spread (0.616), flower stalk length (0.573), days
to flower head with flower stalk diameter in gerbera.
to harvest stage after flower open (0.554) and number
Shelf life was highly significant and positive correlation
of ray florets (0.527) but highly significant and negative
with vase life (0.570) and fresh weight of flower head
correlation was obtained with shelf life (-0.686) and vase
(0.542). However, diameter of flower stalk (-0.555) and
life (-0.425). Breadth of leaf showed highly significant
diameter of neck (-0.980) showed highly significant but
and positive correlation with plant spread (0.551) and
negative correlation. Whereas, diameter of flower stalk
number of flowers per sq. m per year (0.378), while, flower
had significant and positive correlation with number of
stalk length (0.362), length of ray floret (0.319), days to
ray florets (0.328). Similar findings were reported by
harvest stage after flower open (0.294) and number of
Baweja (2000) in china aster. Diameter of neck was
suckers per plant per year (0.333) attained significant and
highly significant and positive correlation with number
positive correlation. However, diameter of disc (-0.298)
of suckers per plant (0.771), vase life (0.443) and number
and shelf life (-0320) were showed significant and
of ray florets (0.533), while, number of flowers per sq. m
negative association. Plant spread was highly significant
per year was highly significant but negative correlation
and positive correlation with diameter of flower (0.376),
(-0.837). Number of suckers per plant per year showed
flower stalk length (0.751), length of ray floret (0.636) and
highly significant and negative correlation with vase life
number of ray florets (0.507), whereas, shelf life (-0.541)
(-0.719) and significant negative correlation with fresh
attained highly significant but negative correlation.
weight of flower head (-0.367), whereas, number of
Diameter of flower showed highly significant and positive
flowers per sq. m per year showed significant and positive
association with flower stalk length (0.429), length of
correlation (0.330). Significant and positive correlation of
ray floret (0.520) and diameter of flower stalk (0.452),
vase life was associated with fresh weight of flower head
while, diameter of disc (0.334) and fresh weight of flower
(0.386), while, number of ray florets had significant and
head (0.398) attained significant and positive association.
negative correlation with number of flowers per sq. m
Balaram and Janakiram (2009) also reported positive
per year (-0.318) and fresh weight of flower head showed
and significant relationship of floret diameter with spike
highly significant and negative correlation with number
length in gladiolus. However, vase life noted significant
of flowers per sq. m per year (-0.495). However, the
and negative association (-0.348). Diameter of disc had
number of flowers per sq. m per year exhibited highly
highly significant and positive correlation with shelf
significant and showed positive correlation with number
life but showed significant and positive correlation with
of leaves per plant, breadth of leaf and number of suckers
fresh weight of flower head (0.378), whereas, diameter
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