Effects of Transgenic Cotton Planting on Rhizosphere Soil Enzyme Activities

doi:10.7668/hbnxb.2008.04.045

Abstract

Abstract: Soil enzyme activities were studied in soil planted with transgenic and notransgenic cotton under field con- ditions. The enzyme activities of urease,phosphatase and invertase were detected at seedling stage,squaring stage,flower and boll stage,boll-opening stage and senescence stage. The results showed that there were some different effects on soil enzyme activities due to different lines,growth stages and soil enzyme,but the same results were obtained at flower and boll stage and senescence stage. Two transgenic cottons planting significantly restrained activities of urease,while in- creased activities of phosphatase at the flower and boll stage significantly,and restrained activities of phosphatase and in- vertase at senescence stage significantly.

Key words: Transgenic cotton, Soil enzyme, Rhizosphere soil

CLC Number:

S562.01

YE Fei, NIU Gao-hua, LIU Hui-fen, LI Chang-lin. Effects of Transgenic Cotton Planting on Rhizosphere Soil Enzyme Activities[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2008, 23(4): 201-203. doi: 10.7668/hbnxb.2008.04.045.

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