Impact of CO2 on quality of baby lettuce grown under optimized light spectrum

• Autorzy: Sirtautas R. , Samuoliene G. , Brazaityte A. , Sakalauskaite J. , Sakalauskiene S. , Virsile A. , Jankauskiene J. , Vastakaite V. , Duchovskis P.

Warianty tytułu

PL

Wpływ jakości CO2 na młodą sałatę uprawianą pod zoptymalizowanym spektrum światła

• Języki publikacji: EN

Abstrakty

EN

The cost and yield are two the most important criteria in agriculture by which optimization of environmental factors are needed to carry out. In the present study, we investigated the efficient lighting spectrum and elevated CO2 concentration for cultivating healthier plants more rapidly. One of the aims of our study is to optimize LEDs light spectrum for healthier vegetable production in greenhouses and maximum economical benefits for growers. The impact of elevated carbon dioxide (CO2) concentration on antioxidant and nutritional properties of green leaf ‘Multigreen 3’ and red leaf ‘Multired 4’ baby leaf lettuce (Lactuca sativa L.), grown under optimized light spectrum was investigated. CO2 concentrations of 0.963 g · dm-3and 1.938 g · dm-3 were maintained in the growth chambers. Lettuce was grown under four wavelength (640, 455, 660 and 735 nm) light-emitting diode based (LED) illumination. Under 0.963 g · dm-3 CO2 conditions, ‘Multired 4’ lettuce represented higher antioxidant value due to higher ascorbic acid, anthocyanin, tocopherol contents and higher sucrose concentration, as compared to ‘Multigreen 3’ lettuce. Higher CO2 concentration (1.938 g · dm-3) had uneven effect on the quality of both baby leaf lettuce cultivars. Red leaf lettuce reacted to the higher CO2 level by lowered D tocopherol, ascorbic acid concentrations and significantly higher glucose contents in their leaves, when green leaf lettuce – contrarily – contained higher ascorbic acid and D tocopherol concentrations under 1.938 g · dm-3 of CO2.

PL

Koszty i plon to dwa najważniejsze kryteria w rolnictwie, według których należy wybierać optymalne czynniki środowiska. W niniejszym badaniu oceniano spektrum światła i podwyższone stężenie CO2 w celu szybszej hodowli zdrowych roślin. Jednym z celów badania było zoptymalizowanie spektrum światła LED w celu produkcji zdrowszych warzyw w cieplarniach oraz dla maksymalnych korzyści ekonomicznych hodowców. Badano wpływ podwyższonego stężenia dwutlenku węgla (CO2) na cechy anytoksydacyjne i żywieniowe młodej sałaty zielonej ‘Multigreen 3’ i czerwonej ‘Multired 4’ (Lactuca sativa L.) hodowanych w warunkach zoptymalizowanego spektrum światła. W komorach wzrostu utrzymywano stężenia CO2 wynoszące 0,963 g · dm-3 oraz 1,938 g · dm-3. Sałata wzrastała oświetlana diodą emitującą światło (LED) o czterech długościach fal (640, 455, 660 i 735 nm). W warunkach 0,963 g · dm-3 CO2 sałata ‘Multired 4’ miara większą wartość antyoksydacyjną ze względu na wyższy poziom kwasu askorbinowego, antocyjanin, tokoferolu oraz wyższe stężenie sacharozy w porównaniu z sałatą ‘Multigreen 3’. Wyższe stężenie CO2 (1,938 g · dm-3) miało nierówny wpływ na jakości obu odmian sałaty. Sałata czerwona reagowała na wyższy poziom CO2 obniżonym Į-tokoferolem i stężeniem kwasu askorbinowego oraz istotnie wyższą zawartością glukozy w liściach, natomiast zielona sałata miała wyższe stężenie kwasu askorbinowego i Į-tokoferolu w warunkach 1,938 g · dm-3 of CO2.

• Wydawca: -
• Czasopismo: Acta Scientiarum Polonorum. Hortorum Cultus
• Rocznik: 2014
• Tom: 13
• Numer: 2
• Opis fizyczny: p.109-118,ref.

Twórcy

autor

Sirtautas R.

• Institute of Horticulture, Lithuanian Research Centre for Agriculture and Forestry, Kaunas str. 30, LT-54333 Babtai, Kaunas distr., Lithuania

autor

Samuoliene G.

• Lithuanian Research Centre for Agriculture and Forestry, Babtai, Kaunas distr., Lithuania

autor

Brazaityte A.

• Lithuanian Research Centre for Agriculture and Forestry, Babtai, Kaunas distr., Lithuania

autor

Sakalauskaite J.

• Lithuanian Research Centre for Agriculture and Forestry, Babtai, Kaunas distr., Lithuania

autor

Sakalauskiene S.

• Lithuanian Research Centre for Agriculture and Forestry, Babtai, Kaunas distr., Lithuania

autor

Virsile A.

• Lithuanian Research Centre for Agriculture and Forestry, Babtai, Kaunas distr., Lithuania

autor

Jankauskiene J.

• Lithuanian Research Centre for Agriculture and Forestry, Babtai, Kaunas distr., Lithuania

autor

Vastakaite V.

• Lithuanian Research Centre for Agriculture and Forestry, Babtai, Kaunas distr., Lithuania

autor

Duchovskis P.

• Lithuanian Research Centre for Agriculture and Forestry, Babtai, Kaunas distr., Lithuania

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