山东农业大学学报（自然科学版）2025，Vol.56Issue(1)：74-82,9.DOI:10.3969/j.issn.1000-2324.2025.01.008
转红光助剂及其添加量对棚膜性能和甜椒生长的影响
Red Light Conversion Agent and Its Dosage on Performance of Greenhouse Film and Growth of Sweet Pepper
摘要
Abstract
Previous studies in our laboratory showed that adding green to red light conversion additives to the greenhouse film was beneficial to the growth of sweet pepper.In this experiment,sweet pepper'Caitlin'was used as the test material,a non-light-converting additive film was used as the control(CK),the study investigated the effects of adding green to red light conversion additives GTR-Ⅱ and GTR-Ⅲ and their different addition amounts of 1.25‰,1.5‰ and 1.75‰ on the performance of greenhouse films,the light environment under the greenhouse,and the growth of sweet pepper,respectively.The results showed that the addition of green to red light conversion additives improved the adsorption capacity to water droplets and the thermal stability of the greenhouse films,among which,the addition of 1.25‰ GTR-Ⅱ greenhouse film had the highest level of thermal stability.In addition,the transmittance of red and far-red light under the film was significantly higher than that of CK,and the transmittance was proportional to the concentration of the conversion agent,while the transmittance of green light and total transmittance were significantly lower,and the transmittance greenhouse film added by GTR-Ⅱ was significantly higher than that of GTR-Ⅲ.The photosynthetic performance and plant growth of sweet pepper leaves under the light conversion greenhouse film were enhanced compared with CK,in which the light environment and the photosynthetic performance,plant height,internode length,leaf width and yield of sweet pepper under the greenhouse films with the addition of GTR-Ⅱ were significantly improved than those under the greenhouse films with the addition of GTR-Ⅲ.The red light transmittance ratio was increased by 12.88%compared with that of CK under film with 1.75‰ GTR-Ⅱ,and the net photosynthetic rate,plant height and yield of sweet pepper under the film with 1.5‰ GTR-Ⅱ were increased by 19.10%,6.34%and 15.42%compared with that of CK,respectively.In summary,under this experimental condition,covering the greenhouse film with addition of 1.5‰ GTR-Ⅱ could optimize the performance of films,improve the light environment in the greenhouse,promote the growth of sweet pepper,and then increase the yield.关键词
转红光助剂/棚膜性能/光环境/植株生长Key words
Red light conversion agent/performance of greenhouse film/light environment/plant growth分类
园艺学与植物营养学引用本文复制引用
许丰雅,国小雨,王禹涵,高金汇,张大龙,魏珉,史庆华,李岩..转红光助剂及其添加量对棚膜性能和甜椒生长的影响[J].山东农业大学学报（自然科学版）,2025,56(1):74-82,9.基金项目
国家重点研发计划项目(2023YFD1700903) （2023YFD1700903）
农业农村部农膜应用重点实验室开放课题(AFA2023KF01) （AFA2023KF01）
国家自然科学基金项目(32272796) （32272796）
山东省重点研发计划项目(2022TZXD0025) （2022TZXD0025）
