Effect of FESO4, methanol and H2SO4 sprays on chlorophyll content of Lilium 'Brunello'
2011
Darandeh, N. | Hadavi, E. | Shoor, M.
In order to investigate the possible effect on iron nutrition status, three levels of FeSO4 (0, 0.5, 1% w/v) and H2SO4 (0, 0.05, 0.1% v/v) and two levels of methanol (0, 5% v/v) were investigated in a randomized factorial design with three replications. Methanol was used to test the possible interaction with FeSO4 and H2SO4 foliar absorption via assumed effect on cuticle permeability. The measured parameters were height, mean floret size, stem diameter, vase-life, chlorophyll content, mean bulbil formation and mean bulbil weight. The sprays were done two times during the plant growth period. FeSO4 and H2SO4 in applied concentrations caused visible injuries as necrotic spots on the plant and caused no positive effect on any of the measured parameters. The result of factorial analysis indicates that H2SO4 and methanol significantly decreased and increased the chlorophyll content respectively, while H2SO4 had no effect. A significant correlation (p<or=0.01) between methanol and chlorophyll content supports this conclusion. A positive interaction between 0.05% concentration of FeSO4 and 5% methanol on increasing chlorophyll content was observed.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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