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Growth, Development, and Photosynthetic Responses of Indoor Foliage Plants to Air and Root-Zone Temperatures, and Light Quantity and Duration
Growth, Development, and Photosynthetic Responses of Indoor Foliage Plants to Air and Root-Zone Temperatures, and Light Quantity and Duration
Detailed Information
- 자료유형
- 학위논문 서양
- 최종처리일시
- 20260202104825
- ISBN
- 9798290943275
- DDC
- 635
- 저자명
- Kang, Iro.
- 서명/저자
- Growth, Development, and Photosynthetic Responses of Indoor Foliage Plants to Air and Root-Zone Temperatures, and Light Quantity and Duration
- 발행사항
- [Sl] : Michigan State University, 2025
- 발행사항
- Ann Arbor : ProQuest Dissertations & Theses, 2025
- 형태사항
- 149 p
- 주기사항
- Source: Dissertations Abstracts International, Volume: 87-02, Section: B.
- 주기사항
- Advisor: Lopez, Roberto G.
- 학위논문주기
- Thesis (Ph.D.)--Michigan State University, 2025.
- 초록/해제
- 요약From 2013 to 2024, the wholesale value of the U.S. indoor foliage plant market increased from approximately USD $631 to $910 million, positioning them as one of the fastest-growing segments in ornamental horticulture. To meet the demand, greenhouse growers in temperate climates need tools to reduce propagation and production time of these slow rooting and growing crops, while not increasing energy costs. Therefore, we investigated methods to hastened foliage plant rooting and production by manipulating environmental parameters. The first study quantified the effects of daily light integral (DLI) on the rooting and shoot development of cuttings. As DLI increased from 10 to 16 mol·m-2·d-1, shoot dry mass and quality indices were generally promoted, though root biomass accumulation did not increase when DLI was 10 mol·m-2·d-1. In the second study, the greatest root biomass was typically observed at a root-zone temperature of 22 to 24 °C, but species-specific variation was evident. The third study examined the effect of photoperiods between 9- to 16-h on growth, development, and morphological traits. Some species, such as Pilea peperomioides (Chinese money plant), showed pronounced increases in height and shoot biomass under daylengths 13-h, whereas others were relatively insensitive, or exhibited growth inhibition. The fourth study investigated the interactive effects of photoperiod (16-, 20-, or 24-h), DLI (4 or 8 mol·m-2·d-1), and constant air temperature (20, 24, 28, or 32 °C). It revealed that biomass accumulation was reduced, and, in some cases, plant mortality occurred under a 24-h photoperiod combined with air temperatures ≥28 °C and a low DLI of 4 mol·m-2·d-1. Regardless of DLI, under a 16-h photoperiod, the light compensation points of Chinese money plant grown at 32 °C were lower compared to those grown at lower air temperatures. In addition, CO2 assimilation rates were relatively high for plants grown at 32 °C. Finally, the fifth study investigated the interactive effect of DLI (4.5 or 9 mol·m-2·d-1) and photoperiods and air average daily temperatures (day temperature/night temperature) of 20 (22.5/15), 23 (25.5/18), 26 (28.5/21), or 29 (31.5/24) °C under a 16-h photoperiod, 20 (21/15), 23 (24/18), 26 (27/21), or 29 (30/24) °C under a 20-h photoperiod, and 20, 23, 26, or 29 °C under a 24-h photoperiod, respectively. With a day and night temperature differential, most foliage crops investigated exhibited higher biomass accumulation under a DLI of 9 mol·m-2·d-1 and a 24-h photoperiod. Overall, the dark respiration rate and light compensation points of Chinese money plant increased under a higher DLI and air temperatures and at daylengths ≤20-h. Collectively, these studies demonstrate that DLIs 20-h, and constant air temperatures 28 °C negatively impact the foliage plants investigated, reduce quality, and increase production time.
- 일반주제명
- Horticulture
- 일반주제명
- Physiology
- 일반주제명
- Agriculture
- 일반주제명
- Plant sciences
- 키워드
- Photoperiods
- 키워드
- Plant growth
- 기타저자
- Michigan State University Horticulture - Doctor of Philosophy
- 기본자료저록
- Dissertations Abstracts International. 87-02B.
- 전자적 위치 및 접속
- 로그인 후 원문을 볼 수 있습니다.
MARC
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■00520260202104825
■006m o d
■007cr#unu||||||||
■020 ▼a9798290943275
■035 ▼a(MiAaPQ)AAI32169728
■040 ▼aMiAaPQ▼cMiAaPQ
■0820 ▼a635
■1001 ▼aKang, Iro.
■24510▼aGrowth, Development, and Photosynthetic Responses of Indoor Foliage Plants to Air and Root-Zone Temperatures, and Light Quantity and Duration
■260 ▼a[Sl]▼bMichigan State University▼c2025
■260 1▼aAnn Arbor▼bProQuest Dissertations & Theses▼c2025
■300 ▼a149 p
■500 ▼aSource: Dissertations Abstracts International, Volume: 87-02, Section: B.
■500 ▼aAdvisor: Lopez, Roberto G.
■5021 ▼aThesis (Ph.D.)--Michigan State University, 2025.
■520 ▼aFrom 2013 to 2024, the wholesale value of the U.S. indoor foliage plant market increased from approximately USD $631 to $910 million, positioning them as one of the fastest-growing segments in ornamental horticulture. To meet the demand, greenhouse growers in temperate climates need tools to reduce propagation and production time of these slow rooting and growing crops, while not increasing energy costs. Therefore, we investigated methods to hastened foliage plant rooting and production by manipulating environmental parameters. The first study quantified the effects of daily light integral (DLI) on the rooting and shoot development of cuttings. As DLI increased from 10 to 16 mol·m-2·d-1, shoot dry mass and quality indices were generally promoted, though root biomass accumulation did not increase when DLI was 10 mol·m-2·d-1. In the second study, the greatest root biomass was typically observed at a root-zone temperature of 22 to 24 °C, but species-specific variation was evident. The third study examined the effect of photoperiods between 9- to 16-h on growth, development, and morphological traits. Some species, such as Pilea peperomioides (Chinese money plant), showed pronounced increases in height and shoot biomass under daylengths 13-h, whereas others were relatively insensitive, or exhibited growth inhibition. The fourth study investigated the interactive effects of photoperiod (16-, 20-, or 24-h), DLI (4 or 8 mol·m-2·d-1), and constant air temperature (20, 24, 28, or 32 °C). It revealed that biomass accumulation was reduced, and, in some cases, plant mortality occurred under a 24-h photoperiod combined with air temperatures ≥28 °C and a low DLI of 4 mol·m-2·d-1. Regardless of DLI, under a 16-h photoperiod, the light compensation points of Chinese money plant grown at 32 °C were lower compared to those grown at lower air temperatures. In addition, CO2 assimilation rates were relatively high for plants grown at 32 °C. Finally, the fifth study investigated the interactive effect of DLI (4.5 or 9 mol·m-2·d-1) and photoperiods and air average daily temperatures (day temperature/night temperature) of 20 (22.5/15), 23 (25.5/18), 26 (28.5/21), or 29 (31.5/24) °C under a 16-h photoperiod, 20 (21/15), 23 (24/18), 26 (27/21), or 29 (30/24) °C under a 20-h photoperiod, and 20, 23, 26, or 29 °C under a 24-h photoperiod, respectively. With a day and night temperature differential, most foliage crops investigated exhibited higher biomass accumulation under a DLI of 9 mol·m-2·d-1 and a 24-h photoperiod. Overall, the dark respiration rate and light compensation points of Chinese money plant increased under a higher DLI and air temperatures and at daylengths ≤20-h. Collectively, these studies demonstrate that DLIs 20-h, and constant air temperatures 28 °C negatively impact the foliage plants investigated, reduce quality, and increase production time.
■590 ▼aSchool code: 0128.
■650 4▼aHorticulture
■650 4▼aPhysiology
■650 4▼aAgriculture
■650 4▼aPlant sciences
■653 ▼aDaily light integral
■653 ▼aPilea peperomioides
■653 ▼aPhotoperiods
■653 ▼aChinese money plant
■653 ▼aPlant growth
■690 ▼a0471
■690 ▼a0479
■690 ▼a0473
■690 ▼a0719
■71020▼aMichigan State University▼bHorticulture - Doctor of Philosophy.
■7730 ▼tDissertations Abstracts International▼g87-02B.
■790 ▼a0128
■791 ▼aPh.D.
■792 ▼a2025
■793 ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17359036▼nKERIS▼z이 자료의 원문은 한국교육학술정보원에서 제공합니다.
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