[1]简敏菲,何旭芬,彭雨露,等.生物炭对镉污染土壤中紫花地丁的生长及生理生态的影响[J].江西师范大学学报(自然科学版),2022,(01):99-106.[doi:10.16357/j.cnki.issn1000-5862.2022.01.14]
 JIAN Minfei,HE Xufen,PENG Yulu,et al.The Effects of Biochar on the Growth and Physiological Ecology of Viola philippica in Cadmium-Contaminated Soil[J].Journal of Jiangxi Normal University:Natural Science Edition,2022,(01):99-106.[doi:10.16357/j.cnki.issn1000-5862.2022.01.14]
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生物炭对镉污染土壤中紫花地丁的生长及生理生态的影响()
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《江西师范大学学报》(自然科学版)[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2022年01期
页码:
99-106
栏目:
生命科学
出版日期:
2022-01-25

文章信息/Info

Title:
The Effects of Biochar on the Growth and Physiological Ecology of Viola philippica in Cadmium-Contaminated Soil
文章编号:
1000-5862(2022)01-0099-08
作者:
简敏菲何旭芬彭雨露朱 宏雷 雯丛明旸
江西师范大学生命科学学院,江西省亚热带植物资源保护与利用重点实验室,江西 南昌 330022
Author(s):
JIAN MinfeiHE XufenPENG YuluZHU HongLEI WenCONG Mingyang
College of Life Science,Key Laboratory of Protection and Utilization of Subtropical Plant Resources of Jiangxi Province,Jiangxi Normal University,Nanchang Jiangxi 330022,China
关键词:
生物炭 镉污染土壤 紫花地丁 生物量 叶绿素 抗氧化酶
Keywords:
biochar cadmium-contaminated soil Viola philippica biomass chlorophyll antioxidant enzymes
分类号:
X 53
DOI:
10.16357/j.cnki.issn1000-5862.2022.01.14
文献标志码:
A
摘要:
该文选用玉米秸秆生物炭,通过盆栽模拟在镉污染土壤中施加生物炭并栽培紫花地丁(Viola philippica),研究生物炭不同施加量对紫花地丁生长及生理生态的影响.研究结果表明:在室内培养45 d后,在未施加生物炭的镉污染土壤中,紫花地丁的株高、鲜质量和叶绿素含量等指标随镉在土壤中质量分数的增加而显著降低(P< 0.05),而超氧化物歧化酶(Superoxide Dismutase,SOD)、 过氧化氢酶(Catalase,CAT)和过氧化物酶(Peroxidase,POD)等酶活指标均显著升高(P<0.05).在生物炭施加后的镉污染土壤中紫花地丁的鲜质量和株高均随生物炭量增加呈先增后降趋势; 且在施加质量分数为2%的生物炭时的鲜质量和株高均显著高于对照组(P<0.05); 紫花地丁的叶绿素a、叶绿素b和叶绿素总量均随生物炭量增加呈先增后降变化,且在施加质量分数分别为2%和4%的生物炭时均显著高于对照组(P<0.05); 叶绿素a/b(Ca/Cb)则随生物炭施加量增加呈下降趋势.在不同镉污染土壤中,紫花地丁植株体的超氧化物歧化酶活性随生物炭量增加呈下降趋势,且在施加质量分数为6%的生物炭时最低; 而过氧化氢酶与过氧化物酶的活性随生物炭施加质量分数增加呈先降后升趋势,且在施加质量分数为2%或4%的生物炭时显著低于对照组(P<0.05).研究结果表明:适量施加生物炭能缓解镉污染对紫花地丁株高、生物量、叶绿素含量和抗氧化酶活性的抑制作用.
Abstract:
Corn stalks biochar is selected to simulate the application of biochar to the cadmium-contaminated soil and cultivate Viola philippica in pots to study the effects of different applications of biochar on the growth of V. philippica and the transformation of cadmium forms in soil.The results show that after 45 d of indoor cultivation,the plant height,fresh weight and chlorophyll content of V. philippica decrease significantly(P<0.05)with the increasing concentration of Cd in the soil without biochar application,while its antioxidant enzyme indicators such as Superoxide Dismutase(SOD),Catalase(CAT)and Peroxidase(POD)increase significantly(P<0.05).In the Cd-contaminated soil with biochar application,the fresh weight and plant height of V. philippica show a trend of first increasing and then decreasing with the increase of biochar application,fresh weight and plant height of V. philippica are significantly(P<0.05)higher than those of the control groups at 2% of biochar application in different concentrations of cadmium-contaminated soil.The chlorophyll a(Ca),chlorophyll b(Cb)and total chlorophyll(Ct)of V. philippica show first increasing and then decreasing with the increase of biochar application,and significantly(P<0.05)higher than those of the control groups at 2% or 4% of biochar application,while chlorophyll a/b(Ca/Cb)shows a trend of decreasing with the increase of biocharapplication.The activity of superoxide dismutase(SOD)in the plants of V. philippica shows a trend of decreasing with the increase of biochar application and is lowest at 6% of biochar application,while the activity of catalase(CAT)and peroxidase(POD)shows a trend of first decreasing and then increasing with the increase of biochar application and significantly(P<0.05)lower than those of the control groups at 2% or 4% of biochar application.It is shown that the moderate amount of biochar can alleviate the inhibitory effects of cadmium pollution on the height,biomass,chlorophyll content and antioxidant enzyme activities of V. philippica.

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备注/Memo

备注/Memo:
收稿日期:2021-11-20
基金项目:国家自然科学基金(41461042),江西省自然科学基金(20202BABL213044)和江西省水利科学院江西省鄱阳湖水资源与环境重点实验室开放研究基金(2020GPSYS03)资助项目.
作者简介:简敏菲(1969—),女,江西高安人,教授,博士,博士生导师,主要从事鄱阳湖湿地生态与环境污染生态修复研究.E-mail:jianminfei0914@163.com
更新日期/Last Update: 2022-01-25