Influence of gibberellic acid on the physiology and flower quality of gerbera and lily cut flowers

Othman, Yahia A.; Al-Ajlouni, Malik G.; A’saf, Tala S.; Sawalha, Hanadi; Hani, Muayyad Bany

doi:10.7764/ijanr.v48i1.2218

Cited by 8 publications

(9 citation statements)

References 25 publications

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“…Beaudine and Palm Beach) were used. Both 'Beaudine' (red) and 'Palm Beach' (yellow) are commercially used in Jordan due to their high flower production and adaption to Mediterranean conditions [13]. Indigenous AMF, native to the northern side of Jordan (Alramtha), was used.…”

Section: Plant Materials and Amf Inoculationmentioning

confidence: 99%

“…The number of days to flowering was from the day of transplanting to the blooming of the first bud. Vase life was the number of days from harvest to the first three petals falling off or when bent neck problem occurred in the flower pedicel [13].…”

Section: Measurementsmentioning

confidence: 99%

“…Leaf chlorophyll is an essential pigment for Pn because it provides the prerequisite energy for metabolism reactions through capturing energy from sunlight [34]. Photosynthesis is a vital process for plant growth and flower quality [13,35,36]. Accordingly, the reduction in chlorophyll pigmentation and gas exchange (Pn, gs and E) can lead to negative impact on gerbera growth and productivity.…”

Section: Leaf Physiologymentioning

confidence: 99%

“…The main objective of cut flower producers is to increase the flower yield and quality component [13,35]. Flower, color, size, stem or pedicel length and diameter, number of days to flowering, and vase life are the main components that can potentially influence the appearance and marketing cut flowers, including gerbera [13,41].…”

Section: Flower Yield and Qualitymentioning

confidence: 99%

“…The production of cut flowers is a growing industry worldwide [13]. In 2021, Royal FloraHolland, the largest global marketplace for the floriculture industry, reported a revenue of EUR 5.63 billion [14].…”

Section: Introductionmentioning

confidence: 99%

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Arbuscular Mycorrhizal Fungi Inoculation Improves Flower Yield and Postharvest Quality Component of Gerbera Grown under Different Salinity Levels

et al. 2022

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High salinity levels of irrigated water and the accumulation of salt over time in the soil is a major concern worldwide, including in Jordan. The objective of this two-year study was to assess the influence of arbuscular mycorrhizal fungi (AMF) inoculation on the physiology, yield, and flower quality of gerbera (Gerbera jamesonii cvs. Beaudine and Palm Beach) under different salinity levels (0.0, 20.0 and 40.0 mM-NaCl). The study was arranged in a randomized complete block design with five replicates. During the experimental period (2018–2019), chlorophyll content index (SPAD), leaf gas exchange (photosynthesis, Pn; stomatal conductance, gs; transpiration, E), flower yield, flower quality (pedicel length and diameter, number of days to flowering, flower diameter, and vase life), root sporulation, and colonization were measured. Irrigation with saline water (20 and 40 mM-NaCl) significantly increased salt accumulation in soil. The mean soil electrical conductivity (EC) after two growing seasons for the 20 mM-NaCl treatment was 2.9 dS m−1 and 4.4 dS m−1 for the 40 mM. High salinity level (40 mM-NaCl) reduced root AMF sporulation by 53–62% and colonization by 12–25% across cultivars. Interestingly, root colonization was higher than 50% across salinity level and in both cultivars. Saline water at 40 mM-NaCl significantly reduced SPAD, Pn, gs, E, flower yield, and quality component, especially vase life. Interestingly, leaf chlorophyll content index from AMF-inoculated plants was significantly higher than uninoculated ones across cultivars at the second growing season. In addition, inoculation with AMF significantly increased yield in both ‘Beaudine’ (34–40%) and ‘Palm Beach’ (42–44%) cultivars and across the study period, 2018 to 2019. In addition, AMF increased vase life in ‘Beaudine’ by 19% to 28% and in ‘Palm Beach’ by 21% to 22%. Overall, our results revealed that gerbera growers can increase their flower yield and postharvest flower quality component (vase life) under saline conditions (soil EC < 4.4 dS m−1) by inoculating the seedlings with AMF.

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Section: Plant Materials and Amf Inoculationmentioning

confidence: 99%

Section: Measurementsmentioning

confidence: 99%