Carbohydrate metabolism in floral structures of Lilium pumilum in different development stages

Santos, Mirelle Nayana de Sousa; Mapeli, Ana Maria; Tolentino, Márcia Martins

doi:10.1590/0103-8478cr20140956

Cited by 6 publications

(5 citation statements)

References 8 publications

(5 reference statements)

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“…This finding may be a consequence of its low dimensions, indicating that the plant prioritized carbohydrate retention over the development of reproductive organs, which explains its lower fresh mass. The present data corroborate those published by Santos et al (2016), who observed variations in carbohydrate metabolism during flower opening in Lilium pumilum. By contrast, the inflorescence of 'Diablo Time' showed the largest dimensions and low sugar values, which may indicate that its carbohydrate had been degraded, probably due to a high respiratory rate, since sugars act in the maintenance of fundamental processes to prolong the shelf life of flowers, improving water balance by regulating transpiration and by increasing water absorption (Nowak and Rudnicki, 1990).…”

Section: Resultssupporting

confidence: 93%

Morphophysiological characterization of leaves and inflorescences of commercial mini chrysanthemum varieties

2020

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Chrysanthemum is among the oldest plants cultivated by man, being widely cultivated in Brazil. In view of its economic importance and use in breeding, the present study aims to characterize mini chrysanthemum varieties, focusing on morphological and physiological parameters. Therefore, four varieties of mini chrysanthemums, in pots, were acquired in the local market: V1 - ‘Swifty Light Pink’ (purple), V2 - ‘Diablo Time’ (red), V3 - ‘White Cherie’ (white); V4 - ‘Giovanni’ (yellow), from which they were taken leaves and inflorescences samples for measurement of height, diameter and fresh mass, as well as to quantify the total soluble sugar (TSS, %), reducing sugar (RS, %), non-reducing sugar (NRS, %), anthocyanin and chlorophyll contents. Regarding the characterization of inflorescences, it was found that ‘Diablo Time’ had the largest diameter, height and fresh weight, in these last two cases not differing from ‘Giovanni’, which had lower anthocyanin content; while the highest values of carbohydrate content were found in ‘White Cherie’. In relation to the characterization of the leaves, ‘Giovanni’ had the largest dimensions, fresh mass and chlorophyll content. Already ‘Swifty Light Pink’ stood as to the sugar contents. Thus, it is clear that there are morphophysiological differences between the chrysanthemum mini varieties, which can contribute to breeding programs.

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Section: Resultssupporting

confidence: 93%

Morphophysiological characterization of leaves and inflorescences of commercial mini chrysanthemum varieties

2020

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“…2B, 2E), indicating that reducing sugars formed a large proportion of the carbohydrate pool in Dendrobium, in common with that in many other-but not all-cut flowers (Ho and Nichols, 1977;Trusty and Miller, 1991;Yamane et al, 1993;Lukaszewska, 1995;van Meeteren et al, 1995;Ichimura and Hisamutsu, 1999;van der Meulen-Muisers et al, 2001;Kumar et al, 2007;Yamada et al, 2007;Ketsa and Karunsatitchai, 2010;Shimizu-Yumoto et al, 2020). In contrast, fructose was the major reducing sugar that accumulated in chrysanthemum (Adachi, 1999), snapdragon (Ichimura and Hisamutsu, 1999) and rose (van Doorn et al, 1991;Ichimura et al, 2005;Yamada et al, 2007), while non-reducing sugars were the major carbohydrates that accumulated throughout the flower development of Lilium pumilum (Santos et al, 2016). Open florets (Fig.…”

Section: Discussionmentioning

confidence: 98%

Influence of sucrose feeding on sugar metabolism and invertase activity in cut Dendrobium flowers

2022

ANRES

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Importance of the work:The invertase enzyme is important for sugar metabolism; however, there is little information available on invertase activity in Dendrobium flowers. Objectives: To investigate the changes in acid invertase activity and sugars in cut Dendrobium flowers held in a vase solution.Materials & Methods: Inflorescences of Dendrobium cv. Khao Sanan were held either in distilled water or in solutions containing a combination of germicidal compounds and sucrose. The invertase activity and concentrations of sucrose, glucose and fructose in floral buds and open florets were determined. Results: Cell wall invertase activity increased at bud opening; however, there was no increase in vacuolar invertase activity. Sucrose treatment increased cell wall invertase activity in the perianth but not in the column and did not increase vacuolar invertase activities in either the perianth or the column. Main finding: Cell wall invertase activity was higher than vacuolar invertase activity for all flower developmental stages. Sucrose treatment stimulated the accumulation of hexoses in the floral buds and increased cell wall invertase activity in the perianth.

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“…This suggests that RS appeared to form a large proportion of the carbohydrate pool in cut orchid flowers (Ho & Nichols, 1977; Ichimura & Hisamutsu, 1999; Ketsa & Karunsatitchai, 2010; Kumar et al., 2007; Lukaszewska, 1995; Shimizu‐Yumoto et al., 2020; Trusty & Miller, 1991; van der Meulen‐Muisers et al., 2001; van Meeteren et al., 1999; Yamada et al., 2007; Yamane et al., 1993). In contrast, fructose was found to be the major RS that accumulated in chrysanthemum (Adachi et al., 1999), snapdragon (Ichimura & Hisamutsu, 1999), and rose (Ichimura et al., 2005; van Doorn et al, 1991a; Yamada et al., 2007), while non‐RS were the major carbohydrates that accumulated throughout flower development of Lilium pumilum (Santos et al., 2016). Open flowers contained higher concentrations of sucrose than half‐open flowers of Dendrobium “Khao Sanan” (Pattaravayo et al., 2013).…”

Section: Postharvest Physiologymentioning

confidence: 99%

The Dendrobium Orchid: Botany, horticulture, and utilization

Ketsa

Warrington

2023

Crop Science

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Dendrobium, one of the largest genera of tropical orchids, is grown commercially on a large scale with an important economic impact in several ASEAN countries.Dendrobium orchids can be grown in a wide range of climates, but flower production is best under tropical conditions. Due to being the most popular orchid for cut flower production, many hybrids of Dendrobium have been produced with colorful and attractive blooms. Cut flowers of Dendrobium are popular worldwide. In addition, many Dendrobium cultivars can be grown as flowering potted plants and for other purposes such as in medicinal applications and for use in decorative products. Postharvest physiology and technology are important in maintaining the quality of both cut flowers and potted plants from production sites to the marketplace. Plants of the Dendrobium genus also contain a wide diversity of bioactive compounds that can be developed into medicinal and cosmetic products. This review describes the botany, cultivation, postharvest physiology, handling and utilization of Dendrobium.

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Carbohydrate metabolism in floral structures of Lilium pumilum in different development stages

Abstract: Lilium pumilum is a species that stands out in

Cited by 6 publications

References 8 publications

Morphophysiological characterization of leaves and inflorescences of commercial mini chrysanthemum varieties

Morphophysiological characterization of leaves and inflorescences of commercial mini chrysanthemum varieties

Influence of sucrose feeding on sugar metabolism and invertase activity in cut Dendrobium flowers

The Dendrobium Orchid: Botany, horticulture, and utilization

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