Results and Discussion.
1. Effects of pulsing treatment bulb on vase life and quality of cut flower.
GA3 treatment increased the life of cut flower and shoot length, pulls treatment with
10 and 15
1
mgl
concentration had effect on number of inflorescences and opening flower
85% of respectively (table 1) GA promote stem extension by inducing both cell division and
elongation (Jones, 1973)10
1
mgl
GA3
pulls solution increased diameter flower (table 1) but
no effect on loss physiological disorder bent neck. GA reduced water loss and increased
water uptake, there fore improving the water balance (V.E.Emongor, 2004). We found that
provision of 15
1
mgl
GA extended vase life in cut flower it has been reported that the
main effect of applied GA in extending cut flower vase life was to maintain mitochondrial
structure and functions (Halevy A. H1979) GA delaying the senescence of flower and
reduced the effect of ethylene in promoting (Mayak S. 1979) there is a possibility of GA by
either quality the sensitivity of the tissue ethylene or by dealing the natural rise in ethylene
production.
Table 1
Effects of GA3 concentrations on growth and development.
GA3
Concentration
1
mgl
Open
Flower
(%)
Vase
Life (day)
Length
shoot
(cm)
Number of
flower
per plant
Diameter
Flower (cm)
0
63
8
58
11
8.5
5
65
10
62
13
9.7
10
85
10.67
68
14/67
11.9
15
85
12
60
14.33
9.7
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