200 ppm, 150 ppm and 100 ppm and single spray
of GA3 @ 200 ppm, 150 ppm and 100 ppm. Whereas,
number of flowers per plant and weight of flowers
were found significantly higher with double spray of
GA3 @ 200 ppm followed by double spray of GA3 @
150 ppm and 100 ppm, single spray of GA3 @ 200
ppm and 150 ppm. The yield of flowers per plant as
well as per hectare recorded maximum with double
spray of GA3 @ 200 ppm followed by GA3 @ 150
ppm and single spray of GA3 @ 200 and 150 ppm.
The changes in floral and yield parameters by the
application of GA3 can be explained in light of the
fact that GA3 was quite effective in reducing the
juvenile period of plants because of its higher
capacity of cell division and cell elongation which
cause early maturity in plants (Lockhart, 1960).
These parameters might also have increased due
to increased over all vegetative growth of the plants
facilitating more photosynthetic area and metabolic
activities resulting in more transport and utilization
of the photosynthetic product resulting in higher
flower yield. These results were also in
inconsonance with the reports of Singh et al. (1991)
in African marigold and Leena et al. (1992) in
gladiolus.