室内观赏植物对甲醛的吸收及抗逆效果研究
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摘要
该研究采用密封舱法模拟室内甲醛污染环境(熏蒸箱内甲醛浓度设置为0.1~0.5 mg·m~(-3),熏气时间12 h),对6种常见室内观赏植物进行甲醛熏蒸实验,测定了植物对甲醛的吸收效率、叶面伤害指数及过氧化物酶(POD)等指标。结果表明:这6种常见观赏植物对甲醛均具较好的净化效果,甲醛熏蒸浓度为0.1~0.3 mg·m~(-3),白鹤芋对甲醛的净化效果最好;熏蒸浓度0.5 mg·m~(-3),绿萝和吊兰具有较好的净化和抗逆性能;铁线蕨对甲醛的耐受力较弱,适合作为室内甲醛污染的指示性植物。几种受试植物的POD酶与甲醛吸收率呈显著正相关关系(P<0.05),表明植物POD活力变化是受甲醛胁迫后的主要抗逆应答机制之一。
Six common indoor ornamental plants were tested for formaldehyde fumigation in a simulated indoor formaldehyde-polluted environment,where the concentration of formaldehyde in the fumigation box was set among 0. 1-0. 5 mg·m~(-3),and the removal efficiency,leaf injury index and peroxidase( POD) activity were measured after 12 h of formaldehyde fumigation. The results showed that all six indoor ornamental plants could purify formaldehyde,and the purifying effect of Spathiphyllum kochii was the best at the concentration of 0.1-0.3 mg·m~(-3) while Epipremnum aureum and Chlorophytum comosum had better purification and resistance at 0.5 mg·m~(-3) formaldehyde. However,the tolerance of Adiantum capillus to formaldehyde was quite weak,so that it can be used as indicative plant for indoor formaldehyde pollution. The results also showed that the POD activity of the six plants was positively correlated with the removal rate of formaldehyde( P < 0.05),which suggestes that the change of POD activity is the main resistance mechanism of plants under formaldehyde stressed-environment.
Six common indoor ornamental plants were tested for formaldehyde fumigation in a simulated indoor formaldehyde-polluted environment,where the concentration of formaldehyde in the fumigation box was set among 0. 1-0. 5 mg·m~(-3),and the removal efficiency,leaf injury index and peroxidase( POD) activity were measured after 12 h of formaldehyde fumigation. The results showed that all six indoor ornamental plants could purify formaldehyde,and the purifying effect of Spathiphyllum kochii was the best at the concentration of 0.1-0.3 mg·m~(-3) while Epipremnum aureum and Chlorophytum comosum had better purification and resistance at 0.5 mg·m~(-3) formaldehyde. However,the tolerance of Adiantum capillus to formaldehyde was quite weak,so that it can be used as indicative plant for indoor formaldehyde pollution. The results also showed that the POD activity of the six plants was positively correlated with the removal rate of formaldehyde( P < 0.05),which suggestes that the change of POD activity is the main resistance mechanism of plants under formaldehyde stressed-environment.
引文
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WEI MH,ZHENG JJ,RAO Y,et al.,2007.Effects of formaldehyde on the activity of POD of Aloe vera var.chinensis(Haw)Berg[J].J Fujian Norm Univ(Nat Sci Ed),23(4):133-136.[魏梅红,郑晶晶,饶瑶,等,2007.甲醛对芦荟POD酶活性的影响[J].福建师范大学学报(自然科学版),23(4):133-136.]
WU XF,2013.The effect of 10 ornamental plants on purifying formaldehyde and simulation research[J].J Environ Health,30(12):1113-1114.[吴晓烽,2013.10种常见居室观赏植物吸收甲醛效果模拟研究[J].环境与健康杂志,30(12):1113-1114.]
ZHANG J,YANG WW,2011.Whole-course quality control in determining formaldehyde in air and waste gas[J].Environ Sci Manag,36(12):128-133.[张钧,杨文武,2011.空气和废气中甲醛测定全程质量控制[J].环境科学与管理,36(12):128-133.]
HUANG X,LIN M,LIAO ML,et al.,2015.Research regress on removal of formaldehyde by ornamental plant[J].Mod Agric Sci Technol,(2):174-175.[黄欣,林茂,廖美兰,等,2015.室内观赏植物对甲醛吸收的研究进展[J].现代农业科技,(2):174-175.]
LIANG H,ZHAO S,SU Y,et al.,2018.Self-enhancement effect and mechanism of potted Chlorophytum comosum on formaldehyde removal from air[J].Intern J Environ Res,12(3):337-346.
LINGHU YW,LI B,LI SF,et al.,2011.Monitoring,purification and response of three indoor ornamental plants on formaldehyde pollution[J].Acta Bot Boreal-Occident Sin,31(4):776-782.[令狐昱慰,黎斌,李思锋,等,2011.3种观赏植物对室内甲醛污染的净化及生长生理响应[J].西北植物学报,31(4):776-782.]
LIU P,LI MJ,2007.The experimental techniques for plant physiology[M].Beijing:Science Press of China.[刘萍,李明军,2007.植物生理学实验技术[M].北京:科学出版社.]
SOREANU G,DIXON M,DARLINGTON A,2013.Botanical biofiltration of indoor gaseous pollutants-A mini-review[J].Chem Engineer J,229(8):585-594.
SU Y,LIANG Y,2015.Foliar uptake and translocation of formaldehyde with bracket plants(Chlorophytum comosum)[J].J Hazar Mat,291:120-128.
SU YH,LIU KY,ZHAO YY,et al.,2017.Foliar uptake,downward transport of airborne formaldehyde and physiological response of plants[J].Environ Sci Technol,(1):70-74.[苏玉红,刘凯艳,赵媛媛,等,2017.空气中甲醛的植物吸收、传输作用及生理响应[J].环境科学与技术,(1):70-74.]
TADA Y,KIDU Y,2011.Glutathione-dependent formaldehyde dehydrogenase from golden pothos(Epipremnum aureum)and the production of formaldehyde detoxifying plants[J].Plant Biotechnol,28(4):373-378.
WEI MH,ZHENG JJ,RAO Y,et al.,2007.Effects of formaldehyde on the activity of POD of Aloe vera var.chinensis(Haw)Berg[J].J Fujian Norm Univ(Nat Sci Ed),23(4):133-136.[魏梅红,郑晶晶,饶瑶,等,2007.甲醛对芦荟POD酶活性的影响[J].福建师范大学学报(自然科学版),23(4):133-136.]
WU XF,2013.The effect of 10 ornamental plants on purifying formaldehyde and simulation research[J].J Environ Health,30(12):1113-1114.[吴晓烽,2013.10种常见居室观赏植物吸收甲醛效果模拟研究[J].环境与健康杂志,30(12):1113-1114.]
ZHANG J,YANG WW,2011.Whole-course quality control in determining formaldehyde in air and waste gas[J].Environ Sci Manag,36(12):128-133.[张钧,杨文武,2011.空气和废气中甲醛测定全程质量控制[J].环境科学与管理,36(12):128-133.]