International Journal of Advanced Education and Research

ISSN: 2455-5746

Vol. 5, Issue 4 (2020)

Effects of gibberellic acid and salicylic acid on quality, quantity and vase-life of rose flower (Rosa Hybridaa CV. Avalanche)

Author(s): Abdul Maruf Yaquby, Ali Tehranifar, Saifuddin Saddad
Abstract: An experiment was conducted to find the appropriate material for increasing the quantitative and qualitative traits in the pre and postharvest vase-life of the cut rose flower cv. Avalanche” in a hydroponic greenhouse based on a randomized complete block design (RCBD) with 16 treatments and 3 replications. Treatments included gibberellic acid at four levels (0, 100, 200 and 300 ppm) and salicylic acid at four levels (0, 100, 150 and 200 ppm). Foliar application was carried out before harvest in tree time at intervals of 10 days. The results showed that the treatments had a significant effect on qualitative, quantitative and vase life. The highest stem diameter (6.08 mm), flower length (55.90 mm) and number of branches per plant (6.53 branches per plant) was obtained from T4 (300 ppm gibberellic acid). The highest vase life (7 days) recorded in T5 (150 ppm salicylic acid) with more water absorption and a higher relative fresh weight. T3 (200 ppm gibberellic acid) had maximum flower diameter (36.33 mm) and T16 (200 ppm salicylic acid + 300 ppm gibberellic acid) had the longest stem length (74.37 cm). The desired growth regulators in different concentrations were able to increase the quantitative, qualitative and vase life of the rose flower.
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