Anita Woźny | Uniwersytet Technologiczno-Przyrodniczy w Bydgoszczy (original) (raw)

Papers by Anita Woźny

Research paper thumbnail of Zastosowanie światła w kontroli wzrostu i rozwoju roślin ozdobnych

Chemiczne regulatory wzrostu są nadal powszechnie stosowane w produkcji ogrodniczej. Jednak rosną... more Chemiczne regulatory wzrostu są nadal powszechnie stosowane w produkcji ogrodniczej. Jednak rosnące zanieczyszczenie środowiska i troska o jego stan, a także względy ekonomiczne, powodują konieczność poszukiwania nowych, ekologicznych sposobów uzyskiwania pożądanego pokroju roślin. W praktyce zastosowanie znalazło już modyfikowanie wzrostu poprzez oddziaływanie odpowiednią temperaturą lub stosowanie bodźców mechanicznych wywołujących stres prowadzący do zahamowania wzrostu, bez negatywnego wpływu na jakość roślin. W wielu badaniach wykazano, iż światło o określonej jakości może wpływać na wzrost i morfogenezę wielu gatunków roślin. W produkcji ogrodniczej zastosowanie znalazły fotoselektywne folie, jednak ze względu na stosunkowo krótką trwałość oraz mniejszą przepuszczalność światła słonecznego bardziej przydatne, z praktycznego punktu widzenia, mogą okazać się źródła światła o określonym składzie spektralnym. Dotyczy to zwłaszcza coraz popularniejszych diod.

Research paper thumbnail of The effect of corm-storage temperature on the flowering and quality of garden gladiolus (Gladiolus L.)

Annals of Warsaw University of Life Sciences - SGGW. Horticulture and Landscape Architecture, 2013

The effect of corm-storage temperature on the owering and quality of garden gladiolus (Gladiolus ... more The effect of corm-storage temperature on the owering and quality of garden gladiolus (Gladiolus L.). The effect of the storage temperature of Gladiolus corms on the growth and owering of two glasshouse-grown cultivars, 'Priscilla' and 'Semarang', was investigated. The corms of each cultivar were divided into four groups: I-twelve-week storage at 5°C; II-twelve-week storage at 17°C; III-four-week storage at 5°C and eight-week storage at 17°C; IV-storage for four weeks at 5°C followed by exposure to preparation treatment for eight weeks at a temperature of 22-23°C. It was demonstrated that the reaction to corm-storage temperature is typically cultivar-speci c. The thermal conditions affected the share of the owering plants only in 'Priscilla'. More plants owered from the group of corms stored only at 17°C than from those in the groups of corms cooled at 5°C in group I and at 5°C and 17°C for four and eight weeks respectively in group III. At the same time, a temperature of 17°C-when compared with storage at 5°C-accelerated Gladiolus owering to a similar extent (by more than three weeks) as exposing them to preparation treatment. The corm-storage conditions were found to have a varied effect on the quality traits of the cultivars investigated.

Research paper thumbnail of Optical, Biochemical, and Biometrical Properties of Thai Basil (Ocimum Basilicum VAR. Thyrsiflora L.) and Red Rubin Basil (Ocimum Basilicum VAR. Rubrum L.) Grown in Different Lighting Conditions

Research paper thumbnail of Analysis of the Colour of Florets and Leaves in Chrysanthemum in the Aspect of All-Year-Round Glasshouse Cultivation

Acta scientiarum Polonorum. Hortorum cultus = Ogrodnictwo

The colour of florets and leaves, considerably determining the decorative nature of plants, can d... more The colour of florets and leaves, considerably determining the decorative nature of plants, can depend much on the conditions throughout the period of cultivation. The research analysed the occurrence of anthocyanins and carotenoids in ray florets and chlorophylls in leaves in Chrysanthemum × grandiflorum /Ramat./Kitam., ‘Baton Rouge’ grown in the glasshouse over 2010–2011. The plants were exposed only to short day induced by darkening, applying no supplementary lighting of the plants. From the ray floret tissues carotenoids were extracted using concentrated acetone and anthocyanins with 1% HCl in methanol, whereas to extract chlorophylls a and b from leaf explants, concentrated acetone was used. The samples with extracted pigments were exposed to studies applying the spectrophotometer UV-VIS 1601-PC at the wavelength corresponding to the maximum of the band of a given pigment. For carotenoids the wavelength was 􀈜 = 440 nm, for anthocyanins: 􀈜 = 530 nm, whereas for chlorophylls: 􀈜 =...

Research paper thumbnail of Application of wide-spectrum light-emitting diodes in micropropagation of popular ornamental plant species: a study on plant quality and cost reduction

In Vitro Cellular & Developmental Biology - Plant, 2018

In the present study, the applicability of four wide-spectrum light-emitting diodes (LEDs) emitti... more In the present study, the applicability of four wide-spectrum light-emitting diodes (LEDs) emitting warm light (AP67, AP673L, G2, and NS1) was determined for the micropropagation of five popular ornamental plant species: Chrysanthemum × grandiflorum, Gerbera jamesonii, Heuchera × hybrida, Ficus benjamina, and Lamprocapnos spectabilis. Plantlets were grown in a growth room with a 16-h photoperiod. The photosynthetic photon flux density was set at 62-65 μmol m −2 s −1. The composition of the media and subculture timing were adjusted to the needs of each species tested. The results were compared to the cool daylight-emitting fluorescent (FL) control (TLD 36W/54). In most of the species studied (except for F. benjamina), the highest propagation ratios, or ratios similar to the FL control, were observed under the red-and far-red-abundant G2 LEDs. NS1 spectrum (with the highest proportion of blue and green light) was also efficient for G. jamesonii and L. spectabilis, and it provided a similar propagation ratio as the FL control. Light quality affected shoot length, number of leaves, callus regeneration, and the biosynthesis of chlorophyll. This influence, however, was species-dependent. Lighting conditions did not affect the dry matter and rooting in most of the species tested, except for G. jamesonii. The substitution of FLs with G2 LEDs can result in a 50% reduction of annual electricity costs, while the application of NS1 lamps can generate savings of up to 75%. In conclusion, the G2 LED lighting system seemed to be the most suitable in terms of propagation efficiency, plantlet quality, and cost reduction.

Research paper thumbnail of Physiological, Biochemical, and Biometrical Response of Cultivated Strawberry and Wild Strawberry in Greenhouse Gutter Cultivation in the Autumn-Winter Season in Poland—Preliminary Study

Agronomy, 2021

Strawberry and wild strawberry are among the most popular horticultural crops. Due to the develop... more Strawberry and wild strawberry are among the most popular horticultural crops. Due to the development of soilless cultivation systems, the whole-year production of these economically important fruit crops is achievable even in countries with temperate climate. However, the responses of strawberry (Fragaria × ananassa Duch.) and wild strawberry (Fragaria vesca L.) to microclimate conditions in greenhouse gutter cultivation in the autumn–winter season in Poland have not been yet determined. The aim of this study was to analyze the physiological, biochemical, and biometrical responses of two cultivars of strawberry ‘Ostara’ and ‘San Andreas’ and two cultivars of wild strawberry ‘Baron von Solemacher’ and ‘Regina’ grown for 20 weeks, starting from September 17th, in controlled greenhouse conditions on coconut mats in gutters in the autumn–winter season and irradiated with sodium lamps. Strawberry ‘San Andreas’ produced 30% larger leaves and almost three-fold higher fresh and dry weight ...

Research paper thumbnail of Ukorzenianie sadzonek chryzantemy wielkokwiatowej z zastosowaniem diod elektroluminescencyjnych

Polish Journal for Sustainable Development, 2017

Research paper thumbnail of Effect of Pollen Genotype, Temperature and Period of Storage on In Vitro Germinability and In Vivo Seed Set in Chrysanthemum—Preliminary Study

Agronomy

Among many challenges in chrysanthemum cross-breeding, the access to viable pollen for hybridizat... more Among many challenges in chrysanthemum cross-breeding, the access to viable pollen for hybridization of cultivars distant in location and different in flowering time is required. Low pollen viability along with incompatibility are mainly responsible for low seed set in modern chrysanthemum cultivars. The aim of the study was to test various temperatures and periods of pollen storage of Chrysanthemum × morifolium in order to elaborate the method of chrysanthemum pollen preservation for cross-breeding purposes. In the first experiment, in vitro pollen germination of four cultivars was investigated following storage at 20 °C, 4 °C, −20 °C, and −80 °C, for one, four, and eight weeks. The second experiment focused on in vivo seed set after one week pollen treatment with 20 °C, 4 °C, −20 °C, and −80 °C (three pollen donor cultivars tested). Pollen in vitro germinability, as well as seed set efficiency, was generally low and cultivar dependent. Independent of the period of storage, stored ...

Research paper thumbnail of Influence of light conditions on the morphogenetic and biochemical response of selected ornamental plant species under in vitro conditions: a mini-review

In vitro tissue culture technique, especially micropropagation, is attracting increasing attentio... more In vitro tissue culture technique, especially micropropagation, is attracting increasing attention in the production of ornamental plants. This technique will probably dominate the horticultural market in the near future. Light is one of the several factors affecting the success of in vitro plant tissue cultures. It directly affects the widely understood morphogenetic response of the explant, i.e., the ability of the explant to grow or regenerate, produce roots, etc. Lighting conditions provided during the in vitro stage may also greatly affect the plant vigor after transferring to nonsterile conditions. Moreover, the necessity of providing artificial light significantly contributes to the total cost of maintaining tissue cultures (related to energy consumption and the need to cool down the heat generated by lamps). Light quantity (intensity) and quality (spectral composition) are the two main parameters that determine its influence on in vitro cultures. This impact depends on the s...

Research paper thumbnail of Źródła Światła Wykorzystywane W Produkcji Ogrodniczej

Proceedings of Electrotechnical Institute

STRESZCZENIE Światło jest źródłem energii w fotosyntezie roślin oraz reguluje ich rozmaite proces... more STRESZCZENIE Światło jest źródłem energii w fotosyntezie roślin oraz reguluje ich rozmaite procesy rozwojowe. Badania pokazują, że światło o określonych właściwościach może wpływać na wzrost i morfogenezę licznych gatunków roślin. W artykule przedstawiono źródła światła (lampy sodowe, fluorescencyjne, metalohalogenkowe i diody) wykorzystywane do doświetlania upraw w produkcji szklarniowej. Diody to obiecujące rozwiązania technologiczne, których liczne zalety przewyższają tradycyjnie stosowane źródła światła.

Research paper thumbnail of Źródła Światła Wykorzystywane W Produkcji Ogrodniczej

Proceedings of Electrotechnical Institute

STRESZCZENIE Światło jest źródłem energii w fotosyntezie roślin oraz reguluje ich rozmaite proces... more STRESZCZENIE Światło jest źródłem energii w fotosyntezie roślin oraz reguluje ich rozmaite procesy rozwojowe. Badania pokazują, że światło o określonych właściwościach może wpływać na wzrost i morfogenezę licznych gatunków roślin. W artykule przedstawiono źródła światła (lampy sodowe, fluorescencyjne, metalohalogenkowe i diody) wykorzystywane do doświetlania upraw w produkcji szklarniowej. Diody to obiecujące rozwiązania technologiczne, których liczne zalety przewyższają tradycyjnie stosowane źródła światła.

Research paper thumbnail of ANALYSIS OF THE COLOUR OF FLORETS AND LEAVES IN CHRYSANTHEMUM IN THE ASPECT OF ALL-YEAR-ROUND GLASSHOUSE CULTIVATION

The colour of florets and leaves, considerably determining the decorative nature of plants, can d... more The colour of florets and leaves, considerably determining the decorative nature of plants, can depend much on the conditions throughout the period of cultivation. The research analysed the occurrence of anthocyanins and carotenoids in ray florets and chlorophylls in leaves in Chrysanthemum × grandiflorum /Ramat./Kitam., 'Baton Rouge' grown in the glasshouse over 2010-2011. The plants were exposed only to short day induced by darkening, applying no supplementary lighting of the plants. From the ray floret tissues carotenoids were extracted using concentrated acetone and anthocyanins with 1% HCl in methanol, whereas to extract chlorophylls a and b from leaf explants, concentrated acetone was used. The samples with extracted pigments were exposed to studies applying the spectrophotometer UV-VIS 1601-PC at the wavelength corresponding to the maximum of the band of a given pigment. For carotenoids the wavelength was = 440 nm, for anthocyanins: = 530 nm, whereas for chlorophylls: = 645 and 663 nm. There was also defined the colour of ray florets and leaves applying the RHSCC Colour Chart [1966]. It was found that the date of plant planting, and thus their flowering, affects the concentration of pigments: anthocyanins and carotenoids in ray florets and chlorophylls in leaves and, as a result, also their colour. The highest concentration of anthocyanins was reported in the plants planted into pots on 1.12., 1.01 and on 1.07., carotenoids in the growing cycles launched on 1.11., 1.12., 1.01, 1.03, 1.07 and 1.08., while chlorophylls a and b -on 1.03.

Research paper thumbnail of Zastosowanie światła w kontroli wzrostu i rozwoju roślin ozdobnych

Chemiczne regulatory wzrostu są nadal powszechnie stosowane w produkcji ogrodniczej. Jednak rosną... more Chemiczne regulatory wzrostu są nadal powszechnie stosowane w produkcji ogrodniczej. Jednak rosnące zanieczyszczenie środowiska i troska o jego stan, a także względy ekonomiczne, powodują konieczność poszukiwania nowych, ekologicznych sposobów uzyskiwania pożądanego pokroju roślin. W praktyce zastosowanie znalazło już modyfikowanie wzrostu poprzez oddziaływanie odpowiednią temperaturą lub stosowanie bodźców mechanicznych wywołujących stres prowadzący do zahamowania wzrostu, bez negatywnego wpływu na jakość roślin. W wielu badaniach wykazano, iż światło o określonej jakości może wpływać na wzrost i morfogenezę wielu gatunków roślin. W produkcji ogrodniczej zastosowanie znalazły fotoselektywne folie, jednak ze względu na stosunkowo krótką trwałość oraz mniejszą przepuszczalność światła słonecznego bardziej przydatne, z praktycznego punktu widzenia, mogą okazać się źródła światła o określonym składzie spektralnym. Dotyczy to zwłaszcza coraz popularniejszych diod.

Research paper thumbnail of The effect of corm-storage temperature on the flowering and quality of garden gladiolus (Gladiolus L.)

Annals of Warsaw University of Life Sciences - SGGW. Horticulture and Landscape Architecture, 2013

The effect of corm-storage temperature on the owering and quality of garden gladiolus (Gladiolus ... more The effect of corm-storage temperature on the owering and quality of garden gladiolus (Gladiolus L.). The effect of the storage temperature of Gladiolus corms on the growth and owering of two glasshouse-grown cultivars, 'Priscilla' and 'Semarang', was investigated. The corms of each cultivar were divided into four groups: I-twelve-week storage at 5°C; II-twelve-week storage at 17°C; III-four-week storage at 5°C and eight-week storage at 17°C; IV-storage for four weeks at 5°C followed by exposure to preparation treatment for eight weeks at a temperature of 22-23°C. It was demonstrated that the reaction to corm-storage temperature is typically cultivar-speci c. The thermal conditions affected the share of the owering plants only in 'Priscilla'. More plants owered from the group of corms stored only at 17°C than from those in the groups of corms cooled at 5°C in group I and at 5°C and 17°C for four and eight weeks respectively in group III. At the same time, a temperature of 17°C-when compared with storage at 5°C-accelerated Gladiolus owering to a similar extent (by more than three weeks) as exposing them to preparation treatment. The corm-storage conditions were found to have a varied effect on the quality traits of the cultivars investigated.

Research paper thumbnail of Optical, Biochemical, and Biometrical Properties of Thai Basil (Ocimum Basilicum VAR. Thyrsiflora L.) and Red Rubin Basil (Ocimum Basilicum VAR. Rubrum L.) Grown in Different Lighting Conditions

Research paper thumbnail of Analysis of the Colour of Florets and Leaves in Chrysanthemum in the Aspect of All-Year-Round Glasshouse Cultivation

Acta scientiarum Polonorum. Hortorum cultus = Ogrodnictwo

The colour of florets and leaves, considerably determining the decorative nature of plants, can d... more The colour of florets and leaves, considerably determining the decorative nature of plants, can depend much on the conditions throughout the period of cultivation. The research analysed the occurrence of anthocyanins and carotenoids in ray florets and chlorophylls in leaves in Chrysanthemum × grandiflorum /Ramat./Kitam., ‘Baton Rouge’ grown in the glasshouse over 2010–2011. The plants were exposed only to short day induced by darkening, applying no supplementary lighting of the plants. From the ray floret tissues carotenoids were extracted using concentrated acetone and anthocyanins with 1% HCl in methanol, whereas to extract chlorophylls a and b from leaf explants, concentrated acetone was used. The samples with extracted pigments were exposed to studies applying the spectrophotometer UV-VIS 1601-PC at the wavelength corresponding to the maximum of the band of a given pigment. For carotenoids the wavelength was 􀈜 = 440 nm, for anthocyanins: 􀈜 = 530 nm, whereas for chlorophylls: 􀈜 =...

Research paper thumbnail of Application of wide-spectrum light-emitting diodes in micropropagation of popular ornamental plant species: a study on plant quality and cost reduction

In Vitro Cellular & Developmental Biology - Plant, 2018

In the present study, the applicability of four wide-spectrum light-emitting diodes (LEDs) emitti... more In the present study, the applicability of four wide-spectrum light-emitting diodes (LEDs) emitting warm light (AP67, AP673L, G2, and NS1) was determined for the micropropagation of five popular ornamental plant species: Chrysanthemum × grandiflorum, Gerbera jamesonii, Heuchera × hybrida, Ficus benjamina, and Lamprocapnos spectabilis. Plantlets were grown in a growth room with a 16-h photoperiod. The photosynthetic photon flux density was set at 62-65 μmol m −2 s −1. The composition of the media and subculture timing were adjusted to the needs of each species tested. The results were compared to the cool daylight-emitting fluorescent (FL) control (TLD 36W/54). In most of the species studied (except for F. benjamina), the highest propagation ratios, or ratios similar to the FL control, were observed under the red-and far-red-abundant G2 LEDs. NS1 spectrum (with the highest proportion of blue and green light) was also efficient for G. jamesonii and L. spectabilis, and it provided a similar propagation ratio as the FL control. Light quality affected shoot length, number of leaves, callus regeneration, and the biosynthesis of chlorophyll. This influence, however, was species-dependent. Lighting conditions did not affect the dry matter and rooting in most of the species tested, except for G. jamesonii. The substitution of FLs with G2 LEDs can result in a 50% reduction of annual electricity costs, while the application of NS1 lamps can generate savings of up to 75%. In conclusion, the G2 LED lighting system seemed to be the most suitable in terms of propagation efficiency, plantlet quality, and cost reduction.

Research paper thumbnail of Physiological, Biochemical, and Biometrical Response of Cultivated Strawberry and Wild Strawberry in Greenhouse Gutter Cultivation in the Autumn-Winter Season in Poland—Preliminary Study

Agronomy, 2021

Strawberry and wild strawberry are among the most popular horticultural crops. Due to the develop... more Strawberry and wild strawberry are among the most popular horticultural crops. Due to the development of soilless cultivation systems, the whole-year production of these economically important fruit crops is achievable even in countries with temperate climate. However, the responses of strawberry (Fragaria × ananassa Duch.) and wild strawberry (Fragaria vesca L.) to microclimate conditions in greenhouse gutter cultivation in the autumn–winter season in Poland have not been yet determined. The aim of this study was to analyze the physiological, biochemical, and biometrical responses of two cultivars of strawberry ‘Ostara’ and ‘San Andreas’ and two cultivars of wild strawberry ‘Baron von Solemacher’ and ‘Regina’ grown for 20 weeks, starting from September 17th, in controlled greenhouse conditions on coconut mats in gutters in the autumn–winter season and irradiated with sodium lamps. Strawberry ‘San Andreas’ produced 30% larger leaves and almost three-fold higher fresh and dry weight ...

Research paper thumbnail of Ukorzenianie sadzonek chryzantemy wielkokwiatowej z zastosowaniem diod elektroluminescencyjnych

Polish Journal for Sustainable Development, 2017

Research paper thumbnail of Effect of Pollen Genotype, Temperature and Period of Storage on In Vitro Germinability and In Vivo Seed Set in Chrysanthemum—Preliminary Study

Agronomy

Among many challenges in chrysanthemum cross-breeding, the access to viable pollen for hybridizat... more Among many challenges in chrysanthemum cross-breeding, the access to viable pollen for hybridization of cultivars distant in location and different in flowering time is required. Low pollen viability along with incompatibility are mainly responsible for low seed set in modern chrysanthemum cultivars. The aim of the study was to test various temperatures and periods of pollen storage of Chrysanthemum × morifolium in order to elaborate the method of chrysanthemum pollen preservation for cross-breeding purposes. In the first experiment, in vitro pollen germination of four cultivars was investigated following storage at 20 °C, 4 °C, −20 °C, and −80 °C, for one, four, and eight weeks. The second experiment focused on in vivo seed set after one week pollen treatment with 20 °C, 4 °C, −20 °C, and −80 °C (three pollen donor cultivars tested). Pollen in vitro germinability, as well as seed set efficiency, was generally low and cultivar dependent. Independent of the period of storage, stored ...

Research paper thumbnail of Influence of light conditions on the morphogenetic and biochemical response of selected ornamental plant species under in vitro conditions: a mini-review

In vitro tissue culture technique, especially micropropagation, is attracting increasing attentio... more In vitro tissue culture technique, especially micropropagation, is attracting increasing attention in the production of ornamental plants. This technique will probably dominate the horticultural market in the near future. Light is one of the several factors affecting the success of in vitro plant tissue cultures. It directly affects the widely understood morphogenetic response of the explant, i.e., the ability of the explant to grow or regenerate, produce roots, etc. Lighting conditions provided during the in vitro stage may also greatly affect the plant vigor after transferring to nonsterile conditions. Moreover, the necessity of providing artificial light significantly contributes to the total cost of maintaining tissue cultures (related to energy consumption and the need to cool down the heat generated by lamps). Light quantity (intensity) and quality (spectral composition) are the two main parameters that determine its influence on in vitro cultures. This impact depends on the s...

Research paper thumbnail of Źródła Światła Wykorzystywane W Produkcji Ogrodniczej

Proceedings of Electrotechnical Institute

STRESZCZENIE Światło jest źródłem energii w fotosyntezie roślin oraz reguluje ich rozmaite proces... more STRESZCZENIE Światło jest źródłem energii w fotosyntezie roślin oraz reguluje ich rozmaite procesy rozwojowe. Badania pokazują, że światło o określonych właściwościach może wpływać na wzrost i morfogenezę licznych gatunków roślin. W artykule przedstawiono źródła światła (lampy sodowe, fluorescencyjne, metalohalogenkowe i diody) wykorzystywane do doświetlania upraw w produkcji szklarniowej. Diody to obiecujące rozwiązania technologiczne, których liczne zalety przewyższają tradycyjnie stosowane źródła światła.

Research paper thumbnail of Źródła Światła Wykorzystywane W Produkcji Ogrodniczej

Proceedings of Electrotechnical Institute

STRESZCZENIE Światło jest źródłem energii w fotosyntezie roślin oraz reguluje ich rozmaite proces... more STRESZCZENIE Światło jest źródłem energii w fotosyntezie roślin oraz reguluje ich rozmaite procesy rozwojowe. Badania pokazują, że światło o określonych właściwościach może wpływać na wzrost i morfogenezę licznych gatunków roślin. W artykule przedstawiono źródła światła (lampy sodowe, fluorescencyjne, metalohalogenkowe i diody) wykorzystywane do doświetlania upraw w produkcji szklarniowej. Diody to obiecujące rozwiązania technologiczne, których liczne zalety przewyższają tradycyjnie stosowane źródła światła.

Research paper thumbnail of ANALYSIS OF THE COLOUR OF FLORETS AND LEAVES IN CHRYSANTHEMUM IN THE ASPECT OF ALL-YEAR-ROUND GLASSHOUSE CULTIVATION

The colour of florets and leaves, considerably determining the decorative nature of plants, can d... more The colour of florets and leaves, considerably determining the decorative nature of plants, can depend much on the conditions throughout the period of cultivation. The research analysed the occurrence of anthocyanins and carotenoids in ray florets and chlorophylls in leaves in Chrysanthemum × grandiflorum /Ramat./Kitam., 'Baton Rouge' grown in the glasshouse over 2010-2011. The plants were exposed only to short day induced by darkening, applying no supplementary lighting of the plants. From the ray floret tissues carotenoids were extracted using concentrated acetone and anthocyanins with 1% HCl in methanol, whereas to extract chlorophylls a and b from leaf explants, concentrated acetone was used. The samples with extracted pigments were exposed to studies applying the spectrophotometer UV-VIS 1601-PC at the wavelength corresponding to the maximum of the band of a given pigment. For carotenoids the wavelength was = 440 nm, for anthocyanins: = 530 nm, whereas for chlorophylls: = 645 and 663 nm. There was also defined the colour of ray florets and leaves applying the RHSCC Colour Chart [1966]. It was found that the date of plant planting, and thus their flowering, affects the concentration of pigments: anthocyanins and carotenoids in ray florets and chlorophylls in leaves and, as a result, also their colour. The highest concentration of anthocyanins was reported in the plants planted into pots on 1.12., 1.01 and on 1.07., carotenoids in the growing cycles launched on 1.11., 1.12., 1.01, 1.03, 1.07 and 1.08., while chlorophylls a and b -on 1.03.