期刊
AGRONOMY-BASEL
卷 12, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/agronomy12010108
关键词
photoconversion; up-conversion; nanomaterials; greenhouses; insufficient insolation; Solanum lycopersicum
The study found that using glasses coated with up-converting luminescent nanoparticles for tomato cultivation can promote plant adaptation to ultraviolet radiation and accelerate the recovery time of photosynthesis. It also increases the leaf number, total leaf area, stem length, and chlorophyll content in plants.
The influence of light conversion induced by glasses coated with up-converting luminescent nanoparticles on Solanum lycopersicum cultivation was studied. Nanoparticles of Sr0.46Ba0.50Yb0.02Er0.02F2.04 solid solution were used as the up-converting luminophore. These nanoparticles were able to transform IR radiation into visible light (lambda(em) = 660 nm with minor peaks at 545 nm and 525 nm). By applying the variable chlorophyll fluorescence (Delta F), it was shown that the cultivation of tomatoes under the photoconversion glasses stimulated changes in the rate of plant adaptation to ultraviolet radiation. The restoration time of values of effective quantum yield of photosystem II photochemical reactions and photochemical quenching of chlorophyll fluorescence (reflecting disappearance of imbalance between photosynthetic electron transport and the utilization of NADPH) was reduced from three weeks to three days in the case of control and photoconversion films, respectively. As a result, plants grown under photoconversion glass had an increased leaf number (12.5%), total leaf area (33%), stem length (35%) and chlorophyll content in the leaves (two-fold). It is assumed that an increase in the proportion of red light in the growing spectrum has a positive effect on photosynthetic activity and plant growth.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据