Improvement of postharvest vase life and flower bud opening in Polianthes tuberosa using gibberellic acid and sucrose

2001 ◽  
Vol 41 (8) ◽  
pp. 1227 ◽  
Author(s):  
Wei-Ren Su ◽  
Kuang-Liang Huang ◽  
Ping-Shun Chang ◽  
Wen-Shaw Chen
Keyword(s):  
Gibberellic Acid ◽  
Ethylene Production ◽  
Vase Life ◽  
Flower Longevity ◽  
Flower Bud ◽  
Sucrose Solutions ◽  
Bud Opening ◽  
Pulsed Treatment

Pulsing with gibberellic acid followed by continuous sucrose treatment enhanced flower longevity and flower bud opening in cut Polianthes tuberosa L. cv. Double. Pulsing with gibberellic acid at 10 or 20 mg/L plus 8-hydroxyquinoline sulfate (200 mg/L) for 24 h followed by continuous sucrose treatments (4 or 8%) plus 8-hydroxyquinoline sulfate extended the vase life and significantly promoted flower bud opening as compared with the 8-hydroxyquinoline sulfate controls. A pulse with a higher concentration of gibberellic acid (50 mg/L) followed by sucrose solutions did not increase vase life or enhance flower bud opening greater than those pulsed with gibberellic acid at 10 or 20 mg/L followed by 8-hydroxyquinoline sulfate. A gibberellic acid (10, 20 or 50 mg/L) pulse followed by 8-hydroxyquinoline sulfate holding solution had little effect on longevity and flower bud opening in comparison to 8-hydroxyquinoline sulfate controls. Similarly, continuous sucrose treatment at 4 or 8% without a gibberellic acid-pulsed treatment also showed little effect on vase life and flower bud opening. Cut P. tuberosa treated with a gibberellic acid pulse followed by 8-hydroxyquinoline sulfate produced more ethylene than those treated with 8-hydroxyquinoline sulfate alone. Ethylene production from flowers pulsed with gibberellic acid followed by sucrose was low when compared with controls or those pulsed with gibberellic acid alone. Cut stems continuously placed in solutions containing sucrose produced less ethylene than those without sucrose. It is suggested that a gibberellic acid pulse at 10 mg/L followed by continuous sucrose treatment at 4% be recommended to growers for extending the vase life and enhancing flower bud opening in cut P. tuberosa.

scholarly journals Gibberellin4+7, Benzyladenine, and Supplemental Light Improve Postharvest Leaf and Flower Quality of Cold-stored `Stargazer' Hybrid Lilies

1998 ◽  
Vol 123 (4) ◽  
pp. 563-568 ◽  
Author(s):  
Anil P. Ranwala ◽  
William B. Miller
Keyword(s):  
Cold Storage ◽  
Storage Temperature ◽  
Postharvest Quality ◽  
Flower Longevity ◽  
Flower Bud ◽  
Leaf Injury ◽  
Leaf Chlorosis ◽  
Bud Opening ◽  
Flower Quality

Experiments were conducted to evaluate storage temperature, storage irradiance and prestorage foliar sprays of gibberellin, cytokinin or both on postharvest quality of Oriental hybrid lilies (Lilium sp. `Stargazer'). Cold storage of puffy bud stage plants at 4, 7, or 10 °C in dark for 2 weeks induced leaf chlorosis within 4 days in a simulated consumer environment, and resulted in 60% leaf chlorosis and 40% leaf abscission by 20 days. Cold storage also reduced the duration to flower bud opening (days from the end of cold storage till the last flower bud opened), inflorescence and flower longevity, and increased flower bud abortion. Storage at 1 °C resulted in severe leaf injury and 100% bud abortion. Providing light up to 40 μmol·m-2·s-1 during cold storage at 4 °C significantly delayed leaf chlorosis and abscission and increased the duration of flower bud opening, inflorescence and flower longevity, and reduced bud abortion. Application of hormone sprays before cold storage affected leaf and flower quality. ProVide (100 mg·L-1 GA4+7) and Promalin (100 mg·L-1 each GA4+7 and benzyladenine (BA)) effectively prevented leaf chlorosis and abscission at 4 °C while ProGibb (100 mg·L-1 GA3) and ABG-3062 (100 mg·L-1 BA) did not. Accel (10 mg·L-1 GA4+7 and 100 mg·L-1 BA) showed intermediate effects on leaf chlorosis. Flower longevity was increased and bud abortion was prevented by all hormone formulations except ProGibb. The combination of light (40 μmol·m-2·s-1) and Promalin (100 mg·L-1 each GA4+7 and BA) completely prevented cold storage induced leaf chlorosis and abscission.

scholarly journals Sucrose Improves the Postharvest Life of Cut Flowers of a Hybrid Limonium

HortScience ◽  
1995 ◽  
Vol 30 (5) ◽  
pp. 1058-1060 ◽  
Author(s):  
Motoaki Doi ◽  
Michael S. Reid
Keyword(s):  
Gibberellic Acid ◽  
Quaternary Ammonium ◽  
Deionized Water ◽  
Vase Life ◽  
Pulse Treatment ◽  
Cut Flowers ◽  
Disinfectant Solution ◽  
Postharvest Life ◽  
Bud Opening

Regardless of their maturity at harvest, the vase life of cut inflorescences of the hybrid Limonium `Fantasia' placed in deionized water was 4 to 5 days. A vase solution containing Physan (a quaternary ammonium disinfectant solution) at 200 μl·liter–1 and 20 g sucrose/liter not only prolonged the longevity of individual florets but also promoted bud opening so that the vase life of cut inflorescences extended to 17 days. Pulse treatment with 100 g sucrose/liter in combination with Physan at 200 μl·liter–1 for 12 hours partially substituted for a continuous supply of sucrose. Including 30 mg gibberellic acid/liter in the vase solution was without benefit.

Hormone Sprays and Supplemental Light Prevent Cold-storage-induced Postharvest Leaf Chlorosis and Abscission in `Stargazer' Hybrid Lilies

HortScience ◽  
1998 ◽  
Vol 33 (3) ◽  
pp. 536c-536
Author(s):  
Anil P. Ranwala ◽  
William B. Miller
Keyword(s):  
Cold Storage ◽  
Storage Temperature ◽  
Flower Longevity ◽  
Flower Bud ◽  
Flower Opening ◽  
Foliar Sprays ◽  
Leaf Chlorosis ◽  
Bud Opening ◽  
Flower Quality

Rapid leaf chlorosis and abscission limits the use of cold storage for post-production short-term holding of potted lilies. We investigated the effects of storage temperature, storage irradiance and pre-storage foliar sprays of gibberellin and/or cytokinin on postharvest leaf and flower quality of Lilium sp. `Stargazer' hybrid lilies. Storage of “puffy bud” stage plants at 4, 7, or 10 °C in dark for 2 weeks induced leaf chlorosis within 4 days in a simulated consumer environment, and resulted in 60% leaf chlorosis and 40% leaf abscission by 20 days. Cold-storage also reduced the duration of flower bud opening, inflorescence and flower longevity, and increased flower bud abortion. Providing light up to 40 μmol·m–2·s–1 during cold-storage at 4 °C significantly delayed leaf chlorosis and abscission and increased the duration of flower bud opening, inflorescence and flower longevity. Foliar sprays of ProVide (100 mg·L–1 GA4+7) and Promalin [100 mg·L–1 GA4+7 and 100 mg·L–1 benzyladenine (BA)] effectively prevented leaf chlorosis and abscission at 4 °C, while ProGibb (100 mg·L–1 GA3) and ABG-3062 (100 mg·L–1BA) were not effective. Accel (10 mg·L–1 GA4+7 and 100 mg·L–1 BA) showed intermediate effects on leaf chlorosis. Flower longevity was increased and bud abortion was prevented by all hormone formulations except ProGibb. The combination of light (40 μmol·m–2·s–1) and Promalin (100 mg·L–1 GA4+7 and 100 mg·L–1 BA) completely prevented cold-storage induced leaf chlorosis and abscission and significantly improved flower opening and overall plant quality.

scholarly journals Effects of Different Preservatives on Cut Flower of Luculia pinceana: A Novel Fragrant Ornamental Species

HortScience ◽  
2021 ◽  
pp. 1-8
Author(s):  
Lingfang Kong ◽  
Fan Li ◽  
Ronghui Du ◽  
Huaiting Geng ◽  
Shifeng Li ◽  
...  
Keyword(s):  
Water Balance ◽  
Flower Senescence ◽  
Distribution Area ◽  
Vase Life ◽  
Cut Flower ◽  
Cut Flowers ◽  
Water Control ◽  
Flower Bud ◽  
Mda Content ◽  
Bud Opening

Luculia pinceana is a potential cut flower because of its long-term blooming inflorescences and charming fragrance. However, its narrow distribution area and unexplored wild status severely restrict its applications, thus leading to the scientific research of cut L. pinceana flowers. To our knowledge, there is no available published information about the postharvest fresh-keeping of L. pinceana. During this study, the cut flowers of L. pinceana were tested using nine preservatives with different concentrations of sucrose and 8-hydroxyquinoline (8-HQ) to evaluate the fresh-keeping effects. Through the investigation and analysis of vase life, bud opening and abortion rate, water balance, malonaldehyde (MDA) content, and peroxidase (POD) activity, we selected and identified the best vase solution for cut L. pinceana flowers. The results suggested that the preservative of 1% sucrose and 100 mg/L 8-HQ could significantly prolong the vase life of cut L. pinceana flower up to 9 days compared with water control. This solution positively affects flower bud blooming, delays flower senescence, improves the water balance, inhibits the MDA accumulation, and increases POD activity. Therefore, this preservative is suitable for the fresh-keeping of cut L. pinceana flowers. Our study is the first to report the effects of preservatives on cut L. pinceana flower. The results showed that the low-sugar-containing (1% sugar) preservatives can effectively improve the ornamental quality of fresh flowers and demonstrated that the postharvest fresh-keeping of L. pinceana requires low sugar and is insensitive to microorganisms.

scholarly journals Deionized water as vase solution prolongs flower bud opening and vase life in carnation and rose through sustaining an improved water balance

2021 ◽  
Vol 86 (6) ◽  
pp. 682-693
Author(s):  
M. Ahmadi-Majd ◽  
◽  
A. Rezaei Nejad ◽  
S. Mousavi-Fard ◽  
D. Fanourakis ◽  
...  
Keyword(s):  
Water Balance ◽  
Deionized Water ◽  
Vase Life ◽  
Flower Bud ◽  
Bud Opening

scholarly journals EFFECTS OF FALL ETHEPHON AND GIBBERELLIC ACID APPLICATIONS ON BLOOM DELAY, FLOWERING, AND FRUITING OF PLUM

HortScience ◽  
1990 ◽  
Vol 25 (9) ◽  
pp. 1110a-1110 ◽  
Author(s):  
B.A. Murdock ◽  
N.H. Ferguson
Keyword(s):  
Adverse Effect ◽  
Gibberellic Acid ◽  
Leaf Fall ◽  
Flower Bud ◽  
Frost Injury ◽  
Lateral Shoots ◽  
Bud Opening

The influence of fall applications of ethephon and gibberellic acid to produce bloom delay in `Wade' plum were carried out in 1987-89. Single saturation applications of ethephon at either 125 and 250 mg·liter-1 with 50 mg·liter-1 gibberellic acid (GA3) at first sign of leaf fall in October of 1987 produced bloom delay of 6-17 days the following spring. No difference in bloom delay was seen between the two treatments. Gummosis and death of some lateral shoots were observed in both treatments but was more severe at the higher ethephon concentration. There was no adverse effect on flower bud opening in either treatment, In 1988 untreated trees suffered 100% fruit loss because of frost injury while both treatments allowed for excellent yields as a result of frost avoidance. In the fall-spring of 1988-89 the experiment was repeated on the same trees; a 5-8 day delay in bloom was observed in both treatments but a late freeze destroyed all fruit on both treated and untreated trees.

scholarly journals Flowering, Ethylene Production, and Ion Leakage of Coffee in Response to Water Stress and Gibberellic Acid

1992 ◽  
Vol 117 (1) ◽  
pp. 158-163 ◽  
Author(s):  
Ursula K. Schuch ◽  
Leslie H. Fuchigami ◽  
Mike A. Nagao
Keyword(s):  
Water Stress ◽  
Gibberellic Acid ◽  
Ethylene Production ◽  
Ion Leakage ◽  
Ethylene Evolution ◽  
Flower Buds ◽  
Flower Bud ◽  
Flower Opening ◽  
Severe Water Stress ◽  
Leaf Disks

The effects of water stress and GA, on breaking dormancy of flower buds of coffee (Coffea arabica L.) were investigated. In the first experiment, water was withheld until the trees reached leaf water potentials (WP) of -1.20, - 1.75, -2.65, or -3.50 MPa. Water potential, ethylene production, and ion leakage of flower buds and leaf disks were examined from release from water stress until anthesis. Trees that had experienced leaf WP of less than - 2.65 MPa, and flower bud WP of about - 4.0 MPa flowered within 9 days after irrigation. In flower buds where dormancy had been broken with water stress, ethylene production was low compared to dormant buds and flowers at anthesis. In the second experiment, O, 50, 100, or 200 mg GA3/liter was painted on branches of nonstressed trees. In experiment three, water was withheld until plants reached leaf WP of -0.6, -1.3, - 2.1, or - 3.0 MPa, then two branches per tree were painted with O, 50, and 100 mg GA3/liter. Gibberellic acid partially compensated for insufficient water stress to initiate flower opening. Ethylene evolution of flower buds was affected by water stress but not by GA3 treatment. Severe water stress treatments and GA, treatment (200 mg·liter-1) increased ethylene evolution of leaf disks. Ion leakage of flower buds and leaf disks was increased by severe water stress. Ion leakage of flower buds was highest at anthesis. After water stress, dormant and nondormant flower buds at the 4-mm stage could be distinguished based on their ethylene evolution. Chemical name used: gibberellic acid (GA3).

Defining optimal conditions for bud storage and opening of Sim carnation in Australia

1989 ◽  
Vol 29 (5) ◽  
pp. 735 ◽  
Author(s):  
GE Barth ◽  
A Frensham
Keyword(s):  
Developmental Stage ◽  
Sucrose Solution ◽  
Vase Life ◽  
Prolonged Storage ◽  
Optimal Conditions ◽  
Stages Of Development ◽  
Sucrose Solutions ◽  
Chemical Pretreatments ◽  
Bud Opening ◽  
Storage Times

Sim carnation has the ability to withstand prolonged storage at 0-1�C in bud form with appropriate chemical pretreatments. Buds can be opened with sucrose solutions after storage and acceptable vase-life periods achieved. In Australia, growers have reported erratic results with carnation bud-storage. Variables relate to condition of stock plants, developmental stage of bud that is stored, and conditions applied during the opening period. This trial was established to store carnations produced during the spring flush period when overproduction depresses markets. Carnation buds were harvested in 3 stages of development and stored for 2 and 4 month periods. After storage, buds were opened at shed temperatures of either 18� or 25�C in 2 bud-opening solutions. Results showed that an opening temperature of 25�C and 10% sucrose solution is clearly superior to 18�C opening temperature and Chrysal solution. These 2 variables are considered to be the most important factors which influence the days to open buds and total vase-life of flowers at all stages of development and both storage times. Buds stored for 4 months opened quicker than those stored for 2 months, although total vase-life was less. Tighter bud stages are recommended for longer storage periods as a degree of maturation occurs during storage. Growers can safely use 2 or 4 month storage periods to target specific markets, if shed conditions are optimal during bud opening.

scholarly journals 24-Epibrasinolide Modulates the Vase Life of Lisianthus Cut Flowers by Modulating ACC Oxidase Enzyme Activity and Physiological Responses

Plants ◽  
2021 ◽  
Vol 10 (5) ◽  
pp. 995
Author(s):  
Mohammad Darvish ◽  
Habib Shirzad ◽  
Mohammadreza Asghari ◽  
Parviz Noruzi ◽  
Abolfazl Alirezalu ◽  
...  
Keyword(s):  
Enzyme Activity ◽  
Water Absorption ◽  
Ethylene Production ◽  
Oxidase Activity ◽  
Acc Oxidase ◽  
Postharvest Quality ◽  
Vase Life ◽  
Dependent Manner ◽  
Cut Flowers ◽  
Oxidase Enzyme

Ethylene is the most important factor playing roles in senescence and deterioration of harvested crops including cut flowers. Brassinosteroids (BRs), as natural phytohormones, have been reported to differently modulate ethylene production and related senescence processes in different crops. This study was carried out to determine the effects of different levels of 24-epibrassinolide (EBL) on ACC oxidase enzyme activity, the final enzyme in ethylene biosynthesis pathway, vase life, and senescence rate in lisianthus cut flowers. Harvested flowers were treated with EBL (at 0, 3, 6, and 9 µmol/L) and kept at 25 °C for 15 days. The ACC oxidase activity, water absorption, malondialdehyde (MDA) production and vase solution absorption rates, chlorophyll and anthocyanin contents, and the vase life of the flowers were evaluated during and at the end of storage. EBL at 3 µmol/L significantly (p ≤ 0.01) enhanced the flower vase life by decreasing the ACC oxidase activity, MDA production and senescence rates, and enhancing chlorophyll and anthocyanin biosynthesis and accumulation, relative water content, and vase solution absorption rates. By increasing the concentration, EBL negatively affected the flower vase life and postharvest quality probably via enhancing the ACC oxidase enzyme activity and subsequent ethylene production. EBL at 6 and 9 µmol/L and in a concentration dependent manner, enhanced the ACC oxidase activity and MDA production rate and decreased chlorophyll and anthocyanin accumulation and water absorption rate. The results indicate that the effects of brassinosteroids on ethylene production and physiology of lisianthus cut flowers is highly dose dependent.

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