Articles

APPLICATION OF HUMIC AND FULVIC ACIDS IN NUTRIENT SOLUTION AFFECTS POSTHARVEST CHARACTERISTICS OF GERBERA JAMESONNII L.

Article number
934_65
Pages
495 – 499
Language
English
Abstract
The effect of humic substances (humic (HA) and fulvic acid (FA)) on growth and postharvest life of gerbera (Gerbera jamesonii L.) ‘Lourdes’ were examined.
HA and FA applied to solution in six combinations including control, 80% HA+20% FA (100 mg/L), 60% HA+40% FA (100 mg/L), 40% HA+60%FA (100 mg/L), 100% FA (100 mg/L) and 100% FA (50 mg/L). Although HA and FA application did not significantly improve yield (number of harvested flowers per plant) or visual quality (flower diameter, flower weight, shoot length and diameter of scapes), these substances enhanced the postharvest life.
The results showed that 50 mg/L FA was the most effective treatment and extended the vase life by 5.5 days and prevented and delayed bent neck incidence.
On the other hand all HA and FA treatments could decrease water loss after 12 days in comparison to the control.
It seems that the hormonal effects along with nutritional improvement by humic substances were efficient in improving the postharvest quality of harvested flowers.

Publication
Authors
A. Nikbakht, N. Etemadi , B. Yazadni, M.M. Majdi
Keywords
gerbera, fulvic acid, humic acid, flower quality, postharvest life
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