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SURVEY OF WEED FLORA IN TRANSPLANTED RICE IN KRISHNA AGROCLIMATIC ZONE OF ANDHRA PRADESH, INDIA
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نویسنده
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Kiran G.G.R. ,Rao A.S.
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منبع
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pakistan journal of weed science research - 2013 - دوره : 19 - شماره : 1 - صفحه:45 -51
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چکیده
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Weed survey was conducted during kharif 2009-10 and 2011-12 to study the weed flora in transplanted rice in krishna zone of andhra pradesh, india. the survey revealed that a total of 55 species, of which 11 grasses, 6 sedges, 38 broad leaf weeds belonging to 31 families were infested in transplanted rice. among the weeds, echinochloa colona was the most dominating weed with importance value index (ivi) of 27.14 followed by eclipta alba (21.53), cyperus rotundus (19.35) and marsilea quadrifolia (18.63). among the families, poaceae was found to be the largest family representing 11 species followed by cyperaceae with 6 species.
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کلیدواژه
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Weed survey ,transplanted rice ,importance value index ,India
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آدرس
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Acharya N.G.Ranga Agricultural University, Regional Agricultural Research Station, Integrated Weed Management Unit, India, Acharya N.G.Ranga Agricultural University, Regional Agricultural Research Station, Integrated Weed Management Unit, India
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پست الکترونیکی
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atlurisrao@gmail.com
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Authors
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