光照对龙芽楤木茎段水培芽生长与品质的影响  

Effects of Light on the Growth and Quality of Hydroponics Buds in Stem of Aralia elata(Miq)Seem

作　　者：申健[1] 刘德江[1] 杨志[2] 丛慧颖[1] 田立娟[1] SHEN Jian;LIU De-jiang;YANG Zhi(Life Sciences College,Jiamusi University,Jiamusi,Heilongjiang 154007;Liaoning Agricultural Technical College,Yingkou,Liaoning 115009)

机构地区：[1]佳木斯大学生命科学学院,黑龙江佳木斯154007 [2]辽宁农业职业技术学院,辽宁营口115009

出　　处：《安徽农业科学》2021年第13期44-47,共4页Journal of Anhui Agricultural Sciences

基　　金：黑龙江省教育厅基础研究项目(2016-KYYWF-0576)。

摘　　要：为了研究光照条件对龙芽楤木茎段水培中嫩芽生长及品质的影响,先采用单因素试验进行光照时间、光照强度及光质对嫩芽生长的研究,通过对萌芽时间、芽长、鲜重和叶绿素含量的比较,筛选出较适宜光照条件。然后在单因素试验结果的基础上采用正交试验,通过比较嫩芽鲜重、可溶性蛋白质、可溶性总糖和维生素C含量优化水培光照条件。结果表明,采用补光措施可以使嫩芽的萌发时间提前3 d,但光照时间、光照强度及光质的不同对嫩芽萌发时间无显著影响。光照强度是鲜重的主要影响因素,当光照时间10 h、光照强度150μmol/(m^(2)·s)、红蓝2∶1时,鲜重最大,为46.07 g。光质是可溶性蛋白质和可溶性总糖的主要影响因素,光照时间6 h、光照强度150μmol/(m^(2)·s)、红蓝1∶2时,可溶性蛋白质含量最大,为8.5 g/kg。光照时间10 h、光照强度150μmol/(m^(2)·s)、红蓝2∶1时,可溶性总糖含量最大,为23.55 g/kg。光照时间是维生素C的主要影响因素,光照时间8 h、光照强度180μmol/(^(2)·s)、红蓝1∶2时,维生素C含量最大,为187.6 mg/kg。综合考虑影响各指标关键因素,可将龙芽楤木茎段水培光照条件设为光照时间8 h、光照强度150μmol/(m^(2)·s)、红蓝2∶1或红蓝1∶2,培养30 d后采收。In order to study the effects of light on the growth and quality of buds in stem of Aralia elata(Miq)Seem,the effects of light time,light intensity and light quality on the growth of buds were studied by single factor test.Through the comparison of germination time,bud length,fresh weight and chlorophyll content,more suitable light conditions were selected.Then,based on the results of single factor test,orthogonal test was used to optimize the light condition of hydroponics by comparing the fresh weight,soluble protein,soluble total sugar and vitamin C content.The results showed that light supplementation could advance the germination time by 3 days,but the light time,light intensity and light quality had no significant effect on the germination time.Light intensity was the main influencing factor of fresh weight.When the light time was 10 h,the light intensity was 150μmol/(m^(2)·s),and the red and blue intensity was 2∶1,the fresh weight was the largest,which was 46.07 g.Light quality was the main factor affecting soluble protein and soluble total sugar.When the light time was 6 h,the light intensity was 150μmol/(m^(2)·s)and red and blue 1∶2,the soluble protein content was the largest,which was 8.5 g/kg.When the light time was 10 h,the light intensity was 150μmol/(m^(2)·s)and red and blue were 2∶1,the soluble total sugar content was the highest,which was 23.55 g/kg.Light time was the main factor affecting vitamin C.When the light time was 8 h,the light intensity was 180μmol/(m^(2)·s)and red and blue 1∶2,the content of vitamin C was the largest,which was 187.6 mg/kg.After comprehensive consideration of the key factors affecting each indicator,the light conditions of hydroponics in the stem of Aralia elata(Miq)Seem could be set as light time 8h,light intensity 150μmol/(m^(2)·s),red and blue 2∶1 or red and blue 1∶2,and it could be harvested after 30 days of culture.

关 键 词：光照 龙芽楤木 水培 鲜重 品质 

分 类 号：S647[农业科学—蔬菜学]