草业学报
草業學報
초업학보
PRATACULTURAL SCIENCE
2014年
4期
189-194
,共6页
高海宁%马国泰%李彩霞%陈勇%宋涛%张勇%焦扬
高海寧%馬國泰%李綵霞%陳勇%宋濤%張勇%焦颺
고해저%마국태%리채하%진용%송도%장용%초양
铬(Ⅵ)污染土壤%菌剂%坪草幼苗%生理生化%改良
鉻(Ⅵ)汙染土壤%菌劑%坪草幼苗%生理生化%改良
락(Ⅵ)오염토양%균제%평초유묘%생리생화%개량
Cr (Ⅵ)contaminated soil%microorganism agent%lawn grass seedlings%physiological and biochemi-cal%soil improvement
采用菌剂处理Cr(Ⅵ)污染土壤和坪草幼苗的方式,考察了菌剂对Cr(Ⅵ)污染土壤中坪草幼苗生理生化的影响,结果表明,在植物幼苗生长期辅以菌剂处理,对减少Cr 在根中的蓄积有明显效果,而且可提高Cr 在坪草叶中生物富集量,同时降低了Cr(Ⅵ)污染土壤中坪草幼苗细胞膜透性和丙二醛(MDA)含量,提高了 POD(除高羊茅外)、SOD 和CAT 保护酶活性。且进一步表明,菌剂可降低Cr(Ⅵ)污染土壤中的Cr(Ⅵ)含量,对Cr(Ⅵ)污染土壤具有一定的改良效果。
採用菌劑處理Cr(Ⅵ)汙染土壤和坪草幼苗的方式,攷察瞭菌劑對Cr(Ⅵ)汙染土壤中坪草幼苗生理生化的影響,結果錶明,在植物幼苗生長期輔以菌劑處理,對減少Cr 在根中的蓄積有明顯效果,而且可提高Cr 在坪草葉中生物富集量,同時降低瞭Cr(Ⅵ)汙染土壤中坪草幼苗細胞膜透性和丙二醛(MDA)含量,提高瞭 POD(除高羊茅外)、SOD 和CAT 保護酶活性。且進一步錶明,菌劑可降低Cr(Ⅵ)汙染土壤中的Cr(Ⅵ)含量,對Cr(Ⅵ)汙染土壤具有一定的改良效果。
채용균제처리Cr(Ⅵ)오염토양화평초유묘적방식,고찰료균제대Cr(Ⅵ)오염토양중평초유묘생리생화적영향,결과표명,재식물유묘생장기보이균제처리,대감소Cr 재근중적축적유명현효과,이차가제고Cr 재평초협중생물부집량,동시강저료Cr(Ⅵ)오염토양중평초유묘세포막투성화병이철(MDA)함량,제고료 POD(제고양모외)、SOD 화CAT 보호매활성。차진일보표명,균제가강저Cr(Ⅵ)오염토양중적Cr(Ⅵ)함량,대Cr(Ⅵ)오염토양구유일정적개량효과。
Cr (Ⅵ)polluted soil treated with a particular species of microorganism during the growing period was used in pot cultures of seedlings of Festuca arundinacea and Lolium perenne to investigate the effects on physiological and biochemical characteristics of the seedlings in Cr (Ⅵ)polluted soil.Treatment with the mi-crobe during the grass seedling growing period significantly reduced Cr accumulation in the root,but increased it in the leaves.At the same time,the damage to cell membrane permeability and the malondialdehyde (MDA) content as well as the enzyme activities of POD,SOD and CAT were improved.In addition,the microorganism agent reduced Cr (Ⅵ)content in Cr (Ⅵ)polluted soil.Addition of the agent to Cr (Ⅵ)contaminated soil had an improvement effect on the soil.