http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
스탠다드 장미의 재배방식별 스마트 온실 환경 및 절화 품질 특성 간의 상관 관계 분석을 통한 절화수명 예측
전정빈,이민정,인병천,오욱 한국화훼학회 2023 화훼연구 Vol.31 No.4
This study was conducted to collect the cultivation environment data of the first generation smart greenhouse and the quality characteristic data of rose (Rosa hybrida) cut flowers and analyze the correlation between these factors to obtain basic data to predict vase life and create the optimal environment for cut flower production. To this purpose, we selected two plastic greenhouses to grow ‘Miss Holland’ rose with different cultivation methods: soil cultivation (SC) and rockwool hydroponics (RWH). Environmental data such as the temperature, relative humidity (RH) and vapor pressure deficit (VPD), daily light integral (DLI), and root zone temperature in the greenhouses and quality characteristics data of cut flowers harvested at the end of each month were collected, and the correlation between these data and vase life of cut flowers was analyzed. The vase life of cut flowers was longer in the SC greenhouse than in the RWH greenhouse except in October and November. In the analysis of the correlation between vase life, environment and growth characteristics, the correlation coefficient of SC greenhouse was slightly higher than that of RWH greenhouse, and factors for predicting cut flower life were also different between the two greenhouses. Vase life in SC and RWH greenhouses was predicted as Y = 0.848X1 + 0.366X2 – 0.591X3 + 2.224X4 – 0.171X5 + 0.47X6 + 0.321X7 + 9.836X8 – 110.219 (X1-X8: maximum RH, daily RH range, DLI, pH, Hunter's b value, EC, cut flower length, and leaf thickness; R2 = 0.544) and Y = -1.291X1 + 52.026X2 – 0.094X3 + 0.448X4 – 3.84X5 + 0.624X6 – 8.528X7 + 28.45 (X1-X7: stem diameter, night time VPD, maximum root zone temperature, minimum root zone temperature, daily temperature difference, daily RH difference, and maximum VPD; R2 = 0.524), respectively. From these model formulas, it can be inferred that RH, EC and pH in SC greenhouse and root zone temperature in RWH have a greater effect on vase life. Therefore, it is important to manage environmental factors that have a greater impact on the vase life of cut rose flowers for each cultivation method.
고압나트륨 및 플라즈마 램프 보광이 절화 장미의 품질 및 수량에 미치는 영향
이민정(Min Jung Lee),서효숙(Hyo Sook Seo),민상윤(Sang Yoon Min),이진희(Jinhee Lee),박수현(Suhyun Park),전정빈(Jeong Bin Jeon),김지선(Jiseon Kim),오욱(Wook Oh) 한국원예학회 2021 원예과학기술지 Vol.39 No.1
Used as supplemental lighting (SL) in protected flower growing systems, newly developed sulfur plasma lamps (PLS) may confer benefits in terms of growth, yield, and quality. This study compared the effects of SL with PLS versus conventional high-pressure sodium lamps (HPS) on the growth characteristics, yield, and quality of cut roses cultivated in winter. Between October 10, 2016 and March 23, 2017, standard cut rose (Rosa hybrida) cultivars ‘Aqua’ and ‘Brut’ were grown under PLS and HPS with a photosynthetic photon flux density (PPFD) of 120 μmol·m<SUP>-2</SUP>·s<SUP>-1</SUP> for 14 hours (between 17:00 and 07:00). Rose plants were cultivated in a plastic greenhouse in Gyeongsan, Gyeongsangbuk-do. A control condition used HPS with PPFD at 10 μmol·m<SUP>-2</SUP>·s<SUP>-1</SUP> to offset the effect of the photoperiod. Cut flowers were harvested twice a week from December to March, and their growth and flowering characteristics, yield and quality of cut flowers were measured at each harvest. PLS had more blue (B) light and less red (R) light and near-infrared light than HPS; green and far-red light (FR) levels were similar. Plants under SL with PLS therefore received a higher B:R ratio and lower R:FR ratio than those under HPS. SL with PLS and HPS improved almost all of the characteristics of ‘Aqua’ and ‘Brut’ compared with the control. In particular, SL with PLS in ‘Aqua’ increased cut flower length, fresh and dry weights, vase life, and the number of higher grade products than SL with HPS. These differences could be associated with the relatively low R:FR ratio of PLS, which may have increased stem length and leaf area, thus increasing photosynthesis and resulting in higher yield and quality of cut flowers, as well as a shorter crop period. Likewise, the relatively high B:R ratio of PLS may have promoted gas exchange through stomatal opening and increased photosynthesis, resulting in higher yield and quality. However, the effect of light source for SL on morphological characteristics such as leaf area and stem length may be somewhat cultivar-dependent because the effect of SL with PLS in ‘Brut’ was smaller than that in ‘Aqua’.