Effect of Photoperiod on Flowering and Stevioside Content in Plants of Stevia rebaudiana Bertoni

Zaidan, Lilian Beatriz Penteado; Dietrich, Sônia M. C.; Felippe, G. M.

doi:10.1626/jcs.49.569

Cited by 47 publications

(44 citation statements)

References 8 publications

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“…It is known that stevia (Stevia rebaudiana Bertoni, Asteraceae), an endemic of Paraguay (Soejarto 2002), is also a short-day plant that is characterized by a critique length of day for its flowering, 12-14 h (Zaidan et al 1980;Chalapathi 1997;Brandle et al 1998). Under the conditions of long day, this plant appears to strongly vegetate but not to transit to flowering (Metivier & Viana 1979).…”

Section: Introductionmentioning

confidence: 99%

Study of electron-dense thylakoids in chloroplasts of Stevia rebaudiana Bertoni in relation to the biosynthesis of diterpenoids

et al. 2013

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Using transmission electronic microscopy and mass spectrometry electron-dense thylakoids of chloroplasts of Stevia rebaudiana leaves during active vegetable growth of this plant were studied in relation to the biosynthesis of diterpenoid glycosides (DGs). It was found that these compounds are absent in these thylakoids, but they contain a water-insoluble weakly polar ent-kauren, a known biosynthetic precursor of DGs as well as gibberellins. This finding provides a base for the suggestion that similar, electron-dense, thylakoids were observed earlier by other authors in other plant species. These data allowed us to conclude that an intensive biosynthesis of ent-kauren is likely related to adaptation of the short-day plants including Stevia rebaudiana to vegetable growth under the long day conditions.

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Section: Introductionmentioning

confidence: 99%

Study of electron-dense thylakoids in chloroplasts of Stevia rebaudiana Bertoni in relation to the biosynthesis of diterpenoids

et al. 2013

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“…The glycoside proportion and quantity in leaves is not stable, depending on plant age and on the development phase. Indeed, in young leaves the glycoside content is higher than in mature leaves (Goettemoeller and Ching, 1999;Bondarev et al, 2003/04;Zaidan et al, 1980). Stevioside makes up most of the sweetener (60-70% of the total) and is reported as being 110-270 times sweeter than sugar.…”

Section: Introductionmentioning

confidence: 99%

Yield, Quality and Water Consumption of Stevia rebaudiana Bertoni Grown under Different Irrigation Regimes in Southern Italy

Lavini¹,

Riccardi²,

Pulvento³

et al. 2008

Ital J Agronomy

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Stevia rebaudiana Bertoni is a herbaceous perennial plant originating in the north-east of Paraguay. Its leaves contain low-calorie sweetening agents that can be used as a natural alternative to artificial sweeteners. The leaves are consumed in special human diets and for the treatment of various diseases. The aim of the present work is to study water consumption, yield potential and quality characteristics of this species under different irrigation levels in southern Italy. The field work was carried out in 2006-2007. Irrigation treatments consisted of a control (T100), irrigated with 100% restitution of water consumption and two treatments that received a water depth of 33% (T33) and 66% (T66) of treatment T100. Watering volume was estimated to replenish the soil profile to field capacity for a depth of 0.40 m. The crop was harvested twice a year, and agronomic performance as well as the major cation and glycoside contents (stevioside and rebaudioside A) were evaluated. Overall, the crop coefficients were similar between the two years, although in each year the second growing period showed higher values due to the higher evaporative demand of this period. Interactions of years with irrigation treatments and harvest time were not significant either for yield or yield components. In both cuts the T100 treatments achieved 40% higher leaf dry yield than T33, while T66 showed intermediate values. The harvest index and water use efficiency showed no differences between the two cuts for the same treatments, while the values of both indices decreased with the increase in irrigation regime. Stevioside, rebaudioside A and cation content in the leaves were unaffected by irrigation regime. In order to develop the field cultivation of this species, field experiments are required to prepare a cultivation protocol as well as a genetic improvement program to develop varieties that better respond to the local environment.

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“…Stevia is an obligate short-day plant with a critical day length of about 13 h. Extensive variability within populations for day length sensitivity has been reported (Valio and Rocha 1966;Zaidan et al 1980). Plants can initiate flowering after a minimum of four true leaves have been produced (Carneiro 1990).…”

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confidence: 99%

Stevia rebaudiana: Its agricultural, biological, and chemical properties

Brandle

Starratt²,

Gijzen³

1998

Can. J. Plant Sci.

289

209

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Brandle, J. E., Starratt, A. N. and Gijzen, M. 1998. Stevia rebaudiana: Its agricultural, biological, and chemical properties. Can. J. Plant Sci. 78: 527-536. Stevia rebaudiana is a member of the Compositae, native to Paraguay. It produces a number of high-potency low-calorie sweeteners in its leaf tissue. The sweeteners are diterpene glycosides and range between 30 and 320 times sweeter than sugar. Increasing consumer interest in natural food ingredients means that products like stevia sweeteners will be subject to increasing demand. Such demand will need to be supported by a modern mechanised production system. The purpose of this review is to summarize the existing agricultural, chemical and biochemical literature to provide a baseline for new research.Key words: Stevia, diterpene, steviol glycoside, sweeteners Brandle, J. E., Starratt, A. N. et Gijzen, M. 1998. Stevia rebaudiana : qualités agricoles, biologiques et chimiques. Can. J. Plant Sci. 78: 527-536. Stevia rebaudiana, plante originaire du Paraguay, appartient à la famille des Composées. Il produit dans les tissus foliaires un certain nombre d'agents édulcorants puissants mais hypocaloriques. Ces produits, des glycosides diterpéniques sont de 30 à 320 fois plus sucrés que le sucre. Compte tenu de l'intérêt croissant du consommateur pour les ingrédients alimentaires naturels, la demande de produits comme les édulcorants du stevia ne pourra qu'aller en croissant, mais il faudra que cette demande soit étayée par un système moderne de production mécanisée. Voulue comme une base pour les recherches futures, cette mise au point vise à compulser la bibliographie actuelle de cette espèce sur les plans tant agricoles que chimiques et biochimiques.

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Effect of Photoperiod on Flowering and Stevioside Content in Plants of Stevia rebaudiana Bertoni

Cited by 47 publications

References 8 publications

Study of electron-dense thylakoids in chloroplasts of Stevia rebaudiana Bertoni in relation to the biosynthesis of diterpenoids

Study of electron-dense thylakoids in chloroplasts of Stevia rebaudiana Bertoni in relation to the biosynthesis of diterpenoids

Yield, Quality and Water Consumption of Stevia rebaudiana Bertoni Grown under Different Irrigation Regimes in Southern Italy

Stevia rebaudiana: Its agricultural, biological, and chemical properties

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