华北农学报 ›› 2015, Vol. 30 ›› Issue (4): 213-218. doi: 10.7668/hbnxb.2015.04.036

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土施富集植物秸秆对牛膝菊生长及镉积累的影响

汤福义1, 林立金2, 廖进秋3, 廖明安1, 何静1, 杨代宇1, 张潇1   

  1. 1. 四川农业大学 园艺学院, 四川 成都 611130;
    2. 四川农业大学 果蔬研究所, 四川 成都 611130;
    3. 四川农业大学 生命科学院, 四川 雅安 625014
  • 收稿日期:2015-04-11 出版日期:2015-08-28
  • 通讯作者: 廖明安(1957-),男,四川仁寿人,教授,博士,博士生导师,主要从事果树生理生态及栽培研究。
  • 作者简介:汤福义(1961-),男,四川雅安人,实验师,主要从事果树生理生态及栽培研究。
  • 基金资助:
    国家农业科技成果转化资金项目(2011GB2F000006);四川省教育厅重点项目(14ZA0008)

Effects of Applying Accumulator Straw in Soil on Growth and Cadmium Accumulation of Galinsoga parviflora

TANG Fu-yi1, LIN Li-jin2, LIAO Jin-qiu3, LIAO Ming-an1, HE Jing1, YANG Dai-yu1, ZHANG Xiao1   

  1. 1. College of Horticulture, Sichuan Agricultural University, Chengdu 611130, China;
    2. Institute of Pomology and Olericulture, Sichuan Agricultural University, Chengdu 611130, China;
    3. College of Life Sciences, Sichuan Agricultural University, Ya'an 625014, China
  • Received:2015-04-11 Published:2015-08-28

摘要: 为研究富集植物秸秆对超富集植物的化感作用,通过盆栽试验,研究了镉污染条件下,土施4种镉富集植物(小飞蓬、碎米荠、旱莲草和豆瓣菜)秸秆对牛膝菊生长及镉积累的影响。结果表明:与未施用相比,施用小飞蓬和碎米荠秸秆提高了牛膝菊根系、茎秆、叶片、地上部分及整株生物量,也提高了牛膝菊株高和抗氧化酶(SOD、POD和CAT)活性,但施用旱莲草和豆瓣菜秸秆则降低了牛膝菊的生物量、株高和抗氧化酶活性。施用小飞蓬、碎米荠、旱莲草和豆瓣菜秸秆均提高了牛膝菊地上部分镉含量,分别比未施用提高了12.01%,9.55%,22.03%,5.39%,但只有施用小飞蓬和碎米荠秸秆的牛膝菊地上部分镉积累量高于未施用 (分别比未施用提高了35.78%和11.77%)。施用小飞蓬和碎米荠秸秆提高了土壤过氧化氢酶活性、土壤脲酶活性和土壤蔗糖酶活性,而施用旱莲草和豆瓣菜秸秆则降低了土壤酶活性。因此,土施小飞蓬和碎米荠秸秆均能提高牛膝菊对镉污染土壤的修复能力,以小飞蓬秸秆的效果最佳。

关键词: 富集植物秸秆, 牛膝菊, 镉, 植物修复

Abstract: To study the allelopathy effects of accumulator straw on hyperaccumulator,a pot experiment was conducted to study the effects of applying accumulators (Conyza canadensis, Cardamine hirsuta, Eclipta prostrata and Nasturtium officinale) straws in soil on growth and cadmium accumulation of Galinsoga parviflora under cadmium pollution.The results were as follows:Compared with non-application (control),the application of C.canadensis and C.hirsute straws improved the roots,stems,leaves,shoots and whole plants biomasses of G.parviflora,and the plant height and antioxidant enzymes (SOD,POD and CAT) activity of G.parviflora also increased.The straws of E.prostrate and N.officinale reduced the biomass,plant height and antioxidant enzyme activity of G.parviflora.The straws of C.canadensis, C.hirsuta, E.prostrata and N.officinale improved cadmium content in shoots of G.parviflora,which improved 12.01%,9.55%,22.03% and 5.39% respectively compared with control,but only C.canadensis and C.hirsuta straws improved the cadmium accumulation in shoots of G.parviflora (which improved by 35.78% and 11.77% respectively compared with control). C.canadensis and C.hirsuta straws increased soil catalase activity,soil urease activity and soil invertase activity,and the straws of E.prostrata and N.officinale reduced soil activity.Therefore,the applying C.canadensis and C.hirsuta straws in soil could improve cadmium contaminated soil remedy ability of G.parviflora,and C.canadensis straw was the best one.

Key words: Accumulator straw, Galinsoga parviflora, Cadmium, Phytoremediation

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引用本文

汤福义, 林立金, 廖进秋, 廖明安, 何静, 杨代宇, 张潇. 土施富集植物秸秆对牛膝菊生长及镉积累的影响[J]. 华北农学报, 2015, 30(4): 213-218. doi: 10.7668/hbnxb.2015.04.036.

TANG Fu-yi, LIN Li-jin, LIAO Jin-qiu, LIAO Ming-an, HE Jing, YANG Dai-yu, ZHANG Xiao. Effects of Applying Accumulator Straw in Soil on Growth and Cadmium Accumulation of Galinsoga parviflora[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2015, 30(4): 213-218. doi: 10.7668/hbnxb.2015.04.036.

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