Kan yut ayu kan pak chae-kan khong dok kulap doi chai sodium benzoate lae sucrose.
1981
Phichit Ungsitthiphunphon
The vaselife of cut roses (Rosa hyrida 'Christian dior') were studied by using sodium benzoate at concentration of 0, 100, 200, and 300 ppm. with 10% sucrose and without sucrose, in distilled water whose pH was adjusted to 4.0 by citric acid, at room temperature of 30.3 degrees Centigrade and R.H. 60.8%. The results showed that 300 ppm. sodium benzoate with 10% sucrose gave the longest vaselife which averaged 5.3 days The petal color of roses did not turn purple - blue and the roses had the least bent neck problem, which were better than those held in solution without sodium benzoate and sucrose whose vaselife averaged only 3.2 days.
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