Efficiency of LED lamps used in cereal crop breeding greenhouses  

作　　者：Piotr Stefański Patrycja Siedlarz-Słowacka Przemysław Matysik Krystyna Rybka 

机构地区：[1]Plant Breeding Strzelce Ltd.Co.,ul.Główna 20,99-307 Strzelce,Poland [2]Plant Breeding and Acclimatization Institute-National Research Institute,05-870 Radzików,Poland

出　　处：《International Journal of Agricultural and Biological Engineering》2022年第2期75-83,共9页国际农业与生物工程学报（英文）

基　　金：This work was financially supported by the National Center for Research and Development,Poland(Grant No.PBS3/B8/19/2015).

摘　　要：LED lamps,which are becoming prevalent in horticulture,are also being installed in greenhouses dedicated to cereal crop breeding.However,the issue arises with the real efficiency of LED lamps.Besides high-budget programs,the smaller breeding companies in Poland face problems concerning the plant growth under LED lamps and the real costs of their exploitation.The experiment was conducted to compare seven different LED lamps and a high-intensity discharge(HID)lamp with a high-pressure sodium lamp(HPS)used as a control.For studies,two varieties of wheat,barley,and oat species were used.The plants’growth rate was assessed based on elongation growth and earing time.Plants’physiological conditions were evaluated using chlorophyll a(Chl a)fluorescence measured on dark-adapted leaves.The light spectra and intensities of tested lamps in parallel with electricity consumption were also recorded.The results showed that 1)LEDs’physical properties and luminaire construction influence the amount of electricity consumed;2)the cereal crop species differ in lighting requirements.The less light-sensitive was oat opposite barley,with wheat of moderate sensitivity;3)LED-6 lamp(PlantaLux S.A,Lublin,Poland)based on white diodes enriched by blue ones was the most cost-efficient and most optimal for studied species.

关 键 词：greenhouse light-emitting diodes COST-EFFECTIVENESS CEREAL Triticum aestivum Hordeum vulgare Avena sativa 

分 类 号：S51[农业科学—作物学]