Rhizobacterial Populations of Glyphosate-Resistant Soybean (Glycine Max) as Affected by Glyphosate and Foliar Amendment
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Abstract
Increased application of glyphosate (Gly) in glyphosate-resistant (GR) soybean cropping systems may affect rhizospheric microorganisms including IAA-producing rhizobacteria (IPR) and their effect on the growth of soybean. This field experiment was conducted to assess IPR populations in the rhizosphere of GR soybean (‘Roundup-Ready’ DeKalb DKB38-52) treated with glyphosate and foliar amendment treatments such as PT21 (urea solution with N 21%) and Grozyme (Biostimulant: mixtures of micronutrients and enzymes). Effects of herbicide, sampling date, and their interaction on total bacterial numbers were significant (P < 0.001, 0.001, 0.013, respectively). Total bacteria (TB) numbers were increased with glyphosate treatment at 20 d after application and highest TB populations were associated with Grozyme application, possibly due to the additional substrate from this product. The IPR of the soybean rhizosphere was significantly affected by herbicide, sampling date, and the herbicide*foliar amendment interaction. The ratios of numbers of IPR to TB ranged from 0.79 to 0.99 across the sampling dates irrespective of treatments. IPR numbers were slightly hindered by glyphosate application regardless of foliar amendment.
참고문헌 (23)
- "Annual weed control by glyphosate in glyphosate-resistant soybean (Glycine max).", 13, pp.394~398 (1999)
- "Weed management in glufosinate- and glyphosate-resistant soybean(Glycine max).", 14, pp.77~88 (2000)
- "Weed management with reduced rates of glyphosate in no-till, narrow-row, glyphosate-resistant soybean (Glycine max).", 13, pp.478~483 (1999)
- "Glyphosate in the environment. Water", pp.409~420 (1988)
- "Glyphosate’s molecular mode of action. In" (1977)
- "Glyphosate transport in plants. In" (1986)
- "Isoflavone, glyphosate, and aminomethylphosphonic acid levels in seeds of glyphosate-treated, glyphosate-resistant soybean.", 51, pp.340~344 (2003)
- "Monitoring glyphosate residues in transgenic glyphosate-resistant soybean.", 60, pp.163~166 (2003)
- "Herbicide effects on visible injury, leaf area, and yield of glyphosate-resistant soybean (Glycine max).", 16, pp.554~566 (2002)
- "Plant growth and nitrogenase activity of glyphosate- tolerant soybean in response to foliar glyphosate applications", 93, pp.179~186 (2001)
- "Effect of glyphosate on growth, chlorophyll, and nodulation in glyphosate-resistant and susceptible soybean (Glycine max) varieties.", 2, pp.37~52 (2000)
- "Deleterious rhizobacteria", pp.335~357 (2006), Plant-associated Bacteria, Kluwer Academic Publishers, Dordrecht,
- "Auxins.", pp.17~135 (1995), Phytohormones in soils. Marcel Dekker.
- "The effect of root exudates on rhizosphere microbial populations.", pp.95~140 (2001), Marcel Dekker, Inc.
- "University of Missouri" (1993)
- "SAS", STAT User Guide. Version 8.2., 2001, ~[DOI]
- "Effects of agricultural biostimulants on soil microbial activity and nitrogen dynamics.", 19, pp.249~259 (2002)
- "The influence of two agricultural biostimulants on nitrogen transformations, microbial activity, and plant growth in soil microcosms", 35, pp.9~19 (2003)
- "Pizzirani-Kleiner, A.A., and Azevedo, J.L. (2005) Isolation and characterization of endophytic bacteria from soybean (Glycine max) grown in soil treated with glyphosate herbicide.", 273, pp.91~99 (2005)
- "Glyphosate affects soybean root exudation and rhizosphere microorganisms.", 85, pp.1165~1174 (2005)
- "Influence of herbicides on transformations of urea nitrogen in soils. J. Environ. Sci. Health 28" (1993)
- "Activity of microorganisms in the rhizosphere of herbicide treated and untreated transgenic glufosinate-tolerant and wildtype oilseed rape grown in containment.", 266, pp.105~116 (2004)
- "ffect of glyphosate on the microbial activity of two Brazilian soils.", 52, pp.799~804 (2003)