Symplocos wikstroemiifolia Hayata is one of the few morphologically androdioecious species in Symplocaceae. Although this species has been proposed as cryptically dioecious, little is known about its patterns of sexual expression in the field. We studied the breeding system and reproductive biology of S. wikstroemiifolia in Taiwan. Field investigations showed that anthers of most morphologicall...

The vase life of cut flowers and foliage is often shortened by vascular occlusions that constrict vase solution supply. Reduction in stem conductivity is typically caused by blockage of cut stem ends and xylem conduits by microbes, physiological plugging, and disruption of water columns in xylem vessels by cavitations and air emboli. Cut flower and foliage longevity can be greatly affected by t...

The respiration of cut flowers of gerbera (Gerbera jamesonii H. Bolus ex Hook.f. 'Vesuvio') and sunflower (Helianthus annuus L.) increased exponentially with increasing storage temperature. Poststorage vase life and negatively gravitropic bending of the neck of the flowers were both strongly affected by simulated transport at higher temperatures. Vase life and stem bending after dry storage sho...

The experiment was carried out to investigate the effect of different concentrations of salicylic acid (SA), malic acid ( MA), citric acid (CA) and sucrose (Suc) on keeping quality and vase life of Chrysanthemum cut flowers. In this study three levels of malic acid (0, 100 and 150 mg l ) and salicylic acid (0, 1.5 and 3 mM) and two levels of sucrose (0 and 3% w/v) and of citric acid (0 and 150 ...

Carnation (Dianthus caryophyllus L.) is one of the most important cut flowers in the world. Themajority of thecarnation cultivars are sensitive to ethylene which affected the physiological and biochemical postharvest characteristics of these flowers.Applying inhibitors of biosynthesis and action of ethylene is important factor to protect the display quality and extend postharvest life. In order...

the anti-senescence biogenic polyamines (pas) putrescine (put), spermidine (spd) and spermine (spm) are involved in plant growth processes and responses to stress. the physiological mechanism of exogenous put to affect the senescence of cut lisianthus flowers during vase life was investigated. fresh cut lisianthus flowers were treated with distilled water (control), 0.5, 1 and 2 mm put and then...

the effect of different storage temperatures on senescence and postharvest performance in cut scapes of three iris species (iris germanica, iris reticulata and iris kashmiriana) was studied with the aim to develop a cost-effective storage protocol so as to bring out the transportation of these cut flowers. the scapes were subjected to two different storage treatments-dry storage and wet storage...

Cut roses are ornamental crops that produced year-round, and the quality yield of these cut flowers vary depending on temperature light intensity four seasons. Grafting improves productivity by increasing adaptability to negative environments, such as high low intensity. The effectiveness grafting depends type scion rootstock. In order confirm stenting roses, two varieties (Rosa hybrida cv. Pin...

The anti-senescence biogenic polyamines (PAs) putrescine (Put), spermidine (Spd) and spermine (Spm) are involved in plant growth processes and responses to stress. The physiological mechanism of exogenous Put to affect the senescence of cut lisianthus flowers during vase life was investigated. Fresh cut lisianthus flowers were treated with distilled water (control), 0.5, 1 and 2 mM Put and then...

Salicylic acid (SA) is considered to be plant signal molecule that plays a key role in plant growth, development, and defense responses. The physiological mechanism of exogenous SA to affect the senescence of cut lisianthus flowers during vase life was investigated. Fresh cut lisianthus flowers were treated with distilled water (control), 0.5, 1 and 2 mM SA and then held at 25◦C up to 12 days. ...