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EFFECT OF BENZYAMINOPURINE AND GIBBERELLIC ACID ON FLOWER LONGEIVITY OF TWO CULTIVARS OF Dianthus caryophyllus L. | ||
| Mesopotamia Journal of Agriculture | ||
| Article 5, Volume 37, Issue 4, 2009, Pages 16-27 PDF (0 K) | ||
| DOI: 10.33899/magrj.2009.27512 | ||
| Author | ||
| A. O. Al- Atrakchii | ||
| Abstract | ||
| This experiment was carried out in the Horticulture Department, College of Agriculture and Forestry, Mosul University, on Dianthus caryophyllus plants CVS. Jeanne Dionis Blano (white flower) and Marie Chabaud Jaune (yellow flower), to investigate the effect of pulsing treatments of the flowers of two cultivars at two concentrations of gibberellic acid (GA3) 25 and 50 mg/liter and two concentrations of 6-Benzyaminopurine (BA) 20, 40 mg/liter in addition to control, on flowers vase life. The Factorial Experiment was conducted with Completely Randomized Design. Each treatment replicated three times with 9 flowers. The results were summarized as follows: Flowers treated with GA3 at 50 mg/liter and BA at 20 or 40 mg/liter gave significant higher values of vase life 19.0, 19.3 and 19.2 days, respectively. While flowers treated with 40 mg/liter manifested best results of water uptake, the increase in fresh weight and flower diameter percent. After 4 days from cutting flowers manifested higher significant values of changing in fresh weight flower diameter percent, while, glucose and fructose concentration decreased to a lowest significant values at final stage of vase life. The results showed that higher percent of increase in flower diameter recorded after 4 days from cutting 136.1% for white flowers cultivar when treated with 20 mg/liter BA and 139.4% for yellow flowers cultivar when treated with 25 mg/liter GA3.While at the end of vase life the flower diameter reduced to lower values 95.2 and 92.0% for yellow flower cultivar at control and 50 mg/liter, respectively. | ||
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