The impact of carbofuran soil application on growth and mycorrhizal colonization by Glomus clarum of groundnut |
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| Authors: | K Venkateswarlu S M Al-Garni M J Daft |
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| Institution: | (1) Present address: Department of Microbiology, Sri Krishnadevaraya University, 515003 Anantapur, India;(2) Department of Biological Sciences, University of Dundee, DD1 4HN Dundee, UK |
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| Abstract: | The influence of soil application of carbofuran on the growth response of groundnut, and both mycorrhizal colonization and sporulation of Glomus clarum was studied in a pot culture experiment. Carbofuran application with or without mycorrhizal inoculation increased the height of the potted plants measured 8 weeks after sowing. Mycorrhizal plants were significantly taller than nonmycorrhizal plants at the final harvest time (14 weeks). Carbofuran, at the recommmended field dose of up to 2 kg/ha, greatly increased shoot dry matter and pod yield in mycorrhizal groundnut. Colonization and sporulation by this VAM fungus were also enhanced significantly at these dose levels. The application of carbofuran at 5 kg/ha inhibited both growth and mycorrhizal status of groundnut. |
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| Keywords: | Carbofuran Glomus clarum Arachis hypogaea |
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