Influence of Light Quality and Photoperiod on Growth and Nutritional Quality of Three Leaf-color Lettuce Cultivars under Weak Light

doi:10.3969/j.issn.1000-6362.2015.06.011

Abstract

Abstract: Three leaf-color lettuces were hydroponically cultivated in culturing room with artificial light in greenhouse to investigate the influence of light quality and photoperiod on their growth and nutritional quality. The results showed that the yield of three kinds of lettuce was mainly affected by photoperiod and the nutritional quality was primarily influenced by combined action of light quality and photoperiod. Extension of lighting period enlarged the leaf area of the three kinds of lettuce. Fresh weight unit leaf area of green lettuce and red lettuce didn’t changed much when the light quality and photoperiod altered. However, fresh weight unit leaf area of purple lettuce responded to the change of photoperiod differently with the variation of light quality. Shoot fresh weight of three lettuce improved more than 100% when the lighting period prolonged. The effects of photoperiod on nutritional quality of the three kinds of lettuce differed when the light quality varied. When under RB 1:2 light, total phenols and flavonoid relative contents, ascorbic acid and soluble protein contents dropped greatly after treated with lighting period extension. And anthocyanin and soluble sugar contents of red lettuce improved significantly when lighting period extended, while ascorbic acid and soluble protein contents decreased. Total phenols relative content of purple lettuce increased, but ascorbic acid content reduced. However, when under RB 2:1 light, total phenols and flavonoid relative contents of green lettuce increase remarkably, but ascorbic acid content lessened. And phenols and flavonoid relative contents, ascorbic acid, soluble sugar and soluble protein contents of red lettuce dropped strikingly. Total phenols relative content of purple lettuce improved significantly under treatment lighting period extension. To summarize，extending lighting period could enhance the yield of the three kinds of lettuce, and this phenomenon could be free from the effect of light quality. Extension of lighting period could lifted the contents of anthocyanin and soluble sugar of red lettuce under RB 1:2 light. While under RB 2:1 light, nutritional quality of green lettuce and purple lettuce could be improved greatly by lighting period extension.

Key words: Weak light, Photoperiod, Light quality, Lettuce, Yield, Quality, LED

YU Yi, LIU Wen-ke. Influence of Light Quality and Photoperiod on Growth and Nutritional Quality of Three Leaf-color Lettuce Cultivars under Weak Light[J]. Chinese Journal of Agrometeorology, 2015, 36(06): 739-745.

References

[1]Ohyama K,Kozai T,Yoshinaga K. Electric energy,water and carbon dioxide utilization efficiencies of a closed-type transplant production system[A].Ohyama K,Kozai T, Yoshinaga K.Transplant production in the 21st century[C]. Berlin:Springer Netherlands,2000:28-32.
[2]Nishimura M,Kozai T,Kubota C,et al. Analysis of electric energy consumption and its cost for a closed-type transplant production system[J].Shokubutsu Kojo Gakkaishi,2001,13(3): 204-209.
[3]Saebo A,Krekling T,Appelgren M. Light quality affects photosynthesis and leaf anatomy of brich plantlets in vitro[J].Plant Cell Tissue Organ Cult,1995,41(2):177-185.
[4]Cosgrove D J. Rapid suppression of growth by blue light:occurrence,time course,and general characteristics[J]. Plant Physiol,1981,67(3):584-590.
[5]Senger H. The effect of blue light on plants and microorganisms[J].Phytochem Photobiol,2008,35(6):911-920.
[6]陈祥伟,刘世琦,成波,等.不同LED光源对小白菜生长及品质的影响[J].长江蔬菜,2013,(16):36-40.
Chen X W,Liu S Q,Cheng B,et al. Effects of different LED light sources on growth and nutritional quality of pakchoi[J].Journal of Changjiang Vegetables,2013,(16):36-40. (in Chinese)
[7] 陈娴,刘世琦,孟凡鲁,等.不同光质对韭菜生长及光合特性的影响[J].中国蔬菜,2012,(8):45-50.
Chen X,Liu S Q,Meng F L,et al.Effects of light qualities on growth and photosynthetic characteristics of Chinese chive[J].China Vegetables,2012,(8):45-50.(in Chinese)
[8]闻婧,鲍顺淑,杨其长,等.LED光源R/B对叶用莴苣生理性状及品质的影响[J].中国农业气象,2009,30(3):413-416.
Wen J,Bao S S,Yang Q C,et al. Influence of R/B in LED lighting on physiology and quality of lettuce[J].Chinese Journal of Agrometeorology,2009,30(3):413-416.(in Chinese)
[9]曹刚.不同LED光质对黄瓜和结球甘蓝苗期生长、光合特性及内源激素的影响[D].兰州:甘肃农业大学,2013:1-2.
Cao G.Effects of different LED light qualities on cucumber and head cabbage seedling growth,photosynthetic characteristics and endogenous hormones[D].Lanzhou:Gansu Agricultural University,2013:1-2.(in Chinese)
[10]朱延姝,冯辉.不同弱光环境下番茄幼苗干重和叶面积的变化[J].辽宁农业科学,2006,(5):4-6.
Zhu Y S,Feng H. Change of dry weight and leaf area of eggplant seedling under different weak light environment[J]. Liaoning Agricultural Sciences,2006,(5):4-6.(in Chinese)
[11]周秋月,吴沿友,许文祥,等.光强对生菜硝酸盐累积的影响[J].农机化研究,2009,(1):189-192.
Zhou Q Y,Wu Y Y,Xu W X,et al. The effect of light intensity on the nitrate cumulation in lettuce[J].Journal of Agricultural Mechanization Research,2009,(1):189-192.(in Chinese)
[12]巫一伦,梁韶莉.两种光周期对青梗菜生物产量的影响[J].山西农业科学,2008,36(11):84-85.
Wu Y L,Liang S L.Effect of two photoperiods to biological production of Qinggeng cabbages[J].Journal of Shanxi Agricultural Sciences,2008,36(11):84-85.(in Chinese)
[13]花妍,罗新兰,李天来,等.光照时间对番茄苗期生长发育的影响[J].河南农业科学,2008,37(8):108-111.
Hua Y,Luo X L,Li T L,et al. Effect of light length on tomato growth in seedling stage[J].Journal of Henan Agricultural Sciences,2008,37(8):108-111.(in Chinese)
[14]刘文科,杨其长,邱志平,等.LED光质对豌豆苗生长、光合色素和营养品质的影响[J].中国农业气象,2012,33(4): 500-504.
Liu W K,Yang Q C,Qiu Z P,et al. Effects of LED light quality on growth,photosynthetic pigments and nutritional quality of pea seedlings[J].Chinese Journal of Agrometeorology, 2012,33(4):500-504.(in Chinese)
[15]曹建康,姜微波,赵玉梅.果蔬采后生理生化实验指导[M].北京:中国轻工业出版社,2006:44-46,54-57.
Cao J K,Jiang W B,Zhao Y M. Instruction of fruits and vegetables postharvest physiological and biochemical experiment[M].Beijing:Chinese Light Industry Press,2006: 44-46,54-57.(in Chinese)
[16]李合生,孙群,赵世杰,等.植物生理生化实验原理和技术[M].北京:高等教育出版社,2000:248-250,123-124,184-185.
Li H S,Sun Q,Zhao S J,et al. The experiment principle and technique on plant physiology and biochemistry[M]. Beijing:Higher Education Press,2000:248-250,123-124, 184- 185.(in Chinese)
[17]童哲,赵玉锦,王台,等.植物的光受体和光控发育研究[J].植物学报,2000,42(2):111-115.
Tong Z,Zhao Y J,Wang T,et al. Photoreceptors and light-regulated development in plants[J]. Acta Botanica Sinica,2000,42(2):111-115.(in Chinese)
[18]李海云,李长新,张复君,等.不同光周期对西葫芦幼苗生长的影响[J].北方园艺,2009,(5):17-19.
Li H Y,Li C X,Zhang F J,et al. The effect of different photoperiod on growth of summer squash seedling[J]. Northern Horticulture,2009,(5):17-19.(in Chinese)
[19]张欢,章丽丽,李薇,等.不同光周期红光对油葵芽苗菜生长和品质的影响[J].园艺学报,2012,39(2):297-304.
Zhang H,Zhang L L,Li W,et al. Effects of photoperiod under red LED on growth and quality of sunflower sprouts[J].Acta Horticulturae Sinica,2012,39(2):297-304.(in Chinese)
[20]周晚来,刘文科,闻婧,等.短期连续光照下水培生菜品质指标变化及其关联性分析[J].中国生态农业学报,2011,19(6): 1319-1323.
Zhou W L,Liu W K,Wen J,et al. Changes in and correlation analysis of quality indices of hydroponic lettuce under short-term continuous light[J].Chinese Journal of Eco- Agriculture,2011,19(6):1319-1323.(in Chinese)
[21]Zhou W L,Liu W K,Yang Q C. Reducing nitrate content in lettuce by pre-harvest continuous light delivered by red and blue light-emitting diodes[J].Journal of Plant Nutrition, 2013,36(3):481-490.
[22]Maruta T,Yonemitsu M,Yabuta Y,et al.Arabidopsis phosphomannose isomerase1,but not phosphomannose isomerase 2,is essential for ascorbic acid biosynthesis[J].J Biol Chem,2008,283(43):28842-28851.
[23]陈敏,李海云.不同光周期对茄子幼苗生长的影响[J].北方园艺,2010,(16):53-55.
Chen M,Li H Y. Effect of different photoperiod on the growth of eggplant seedling[J].Northern Horticulture,2010, (16):53-55.(in Chinese)
[24]刘莎莎,魏佑营,王军伟,等.光周期对菠菜抽薹特性及可溶性糖和可溶性蛋白含量的影响[J].山东农业科学,2009,(10): 29-31,34.
Liu S S,Wei Y Y,Wang J W,et al. Effects of photoperiod on spinach bolting and contents of soluble sugar and soluble protein[J].Shandong Agricultural Sciences,2009,(10):29-31, 34.(in Chinese)