Effects of Daily Light Integral on Compact Tomato Plants Grown for Indoor Gardening
Our objective was to characterize the growth, physiological responses, fruit yield, and quality of tomato (<i>Solanum lycopersicum</i> L.) plants grown under different daily light integrals (DLIs) and photoperiods. In experiment I, nine compact tomato cultivars were grown indoors using b...
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-07-01
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| Series: | Agronomy |
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| Online Access: | https://www.mdpi.com/2073-4395/12/7/1704 |
| _version_ | 1797433936650960896 |
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| author | Stephanie Cruz Celina Gómez |
| author_facet | Stephanie Cruz Celina Gómez |
| author_sort | Stephanie Cruz |
| collection | DOAJ |
| description | Our objective was to characterize the growth, physiological responses, fruit yield, and quality of tomato (<i>Solanum lycopersicum</i> L.) plants grown under different daily light integrals (DLIs) and photoperiods. In experiment I, nine compact tomato cultivars were grown indoors using broadband white light-emitting diode (LED) fixtures. Plants were grown under low (10.4 mol·m<sup>−2</sup>·d<sup>−1</sup>) and high (18.4 mol·m<sup>−2</sup>·d<sup>−1</sup>) DLIs with 12 and 16 h photoperiods, respectively, and two intermediate DLIs of 13.8 mol·m<sup>−2</sup>·d<sup>−1</sup> with either 12 or 16 h photoperiods. In experiment II, three compact tomato cultivars were grown under the same low DLI with either 8 or 12 h photoperiods, and the same high DLI with either 12 or 16 h photoperiods. Generally, higher DLIs decreased plant growth and increased the fruit yield. Changing the DLI delivery strategy by adjusting the photoperiod and photosynthetic photon flux density (PPFD) did not have major effects on the growth, yield, and fruit quality of the compact tomato plants evaluated in this study, even though net photosynthesis increased under higher PPFDs in experiment II. Although several cultivars were affected by intumescence, only two cultivars showed treatment responses, for which the severity was generally higher in lower PPFDs using the same DLI. |
| first_indexed | 2024-03-09T10:23:59Z |
| format | Article |
| id | doaj.art-46270caffce7465b91dbce59b304f2c8 |
| institution | Directory Open Access Journal |
| issn | 2073-4395 |
| language | English |
| last_indexed | 2024-03-09T10:23:59Z |
| publishDate | 2022-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Agronomy |
| spelling | doaj.art-46270caffce7465b91dbce59b304f2c82023-12-01T21:47:50ZengMDPI AGAgronomy2073-43952022-07-01127170410.3390/agronomy12071704Effects of Daily Light Integral on Compact Tomato Plants Grown for Indoor GardeningStephanie Cruz0Celina Gómez1Environmental Horticulture Department, Institute of Food and Agriculture Sciences (IFAS), University of Florida, Gainesville, FL 32611, USAEnvironmental Horticulture Department, Institute of Food and Agriculture Sciences (IFAS), University of Florida, Gainesville, FL 32611, USAOur objective was to characterize the growth, physiological responses, fruit yield, and quality of tomato (<i>Solanum lycopersicum</i> L.) plants grown under different daily light integrals (DLIs) and photoperiods. In experiment I, nine compact tomato cultivars were grown indoors using broadband white light-emitting diode (LED) fixtures. Plants were grown under low (10.4 mol·m<sup>−2</sup>·d<sup>−1</sup>) and high (18.4 mol·m<sup>−2</sup>·d<sup>−1</sup>) DLIs with 12 and 16 h photoperiods, respectively, and two intermediate DLIs of 13.8 mol·m<sup>−2</sup>·d<sup>−1</sup> with either 12 or 16 h photoperiods. In experiment II, three compact tomato cultivars were grown under the same low DLI with either 8 or 12 h photoperiods, and the same high DLI with either 12 or 16 h photoperiods. Generally, higher DLIs decreased plant growth and increased the fruit yield. Changing the DLI delivery strategy by adjusting the photoperiod and photosynthetic photon flux density (PPFD) did not have major effects on the growth, yield, and fruit quality of the compact tomato plants evaluated in this study, even though net photosynthesis increased under higher PPFDs in experiment II. Although several cultivars were affected by intumescence, only two cultivars showed treatment responses, for which the severity was generally higher in lower PPFDs using the same DLI.https://www.mdpi.com/2073-4395/12/7/1704controlled environmentsDLIindoor farmingLEDssole-source lightingurban agriculture |
| spellingShingle | Stephanie Cruz Celina Gómez Effects of Daily Light Integral on Compact Tomato Plants Grown for Indoor Gardening Agronomy controlled environments DLI indoor farming LEDs sole-source lighting urban agriculture |
| title | Effects of Daily Light Integral on Compact Tomato Plants Grown for Indoor Gardening |
| title_full | Effects of Daily Light Integral on Compact Tomato Plants Grown for Indoor Gardening |
| title_fullStr | Effects of Daily Light Integral on Compact Tomato Plants Grown for Indoor Gardening |
| title_full_unstemmed | Effects of Daily Light Integral on Compact Tomato Plants Grown for Indoor Gardening |
| title_short | Effects of Daily Light Integral on Compact Tomato Plants Grown for Indoor Gardening |
| title_sort | effects of daily light integral on compact tomato plants grown for indoor gardening |
| topic | controlled environments DLI indoor farming LEDs sole-source lighting urban agriculture |
| url | https://www.mdpi.com/2073-4395/12/7/1704 |
| work_keys_str_mv | AT stephaniecruz effectsofdailylightintegraloncompacttomatoplantsgrownforindoorgardening AT celinagomez effectsofdailylightintegraloncompacttomatoplantsgrownforindoorgardening |