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Document Type : Original Article

Authors

1 Department of Agronomy, Faculty of agriculture, Bangladesh Agricultural University, Mymensingh, Bangladesh

2 Department of Agronomy, Faculty of Agriculture, Bangladesh Agricultural University, Mymmensingh, Bangladesh

3 Department of Agronomy, Faculty of Agriculture, Bangladesh Agricultural University, Mymensingh, Bangladesh

10.26655/jrweedsci.2018.6.6

Abstract

The survey was conducted in the farmers’ field of Durba Chara village of Gauripur upazilla under Mymensingh district to find out the floristic composition of weeds in three crops i.e. summer rice, potato and winter rice under T. aman-potato-boro cropping pattern. Five farmers’ fields were surveyed by using a quadrat of 0.5m × 0.5m size in four spots from each field randomly. The data were summarized using frequency, field uniformity, mean field density and relative abundance. A total of 27 weed species belonging to 11 families were found in T. aman, potato and boro rice, of which 22 species were under 11 families in T. aman, 15 species under seven families in potato and 20 species were under nine families in boro rice. Echinochloa crusgalli was the most abundant weed in both potato and boro rice while in T. aman, Ludwigia hyssopifolia dominated over others. Echinochloa crusgalli and Polygonum hydropiper were common in both potato and boro rice. The other three dominant weed species i.e. Cyperus rotundus, Cynodon dactylon and Panicum distichum in potato and Eclipta alba, Cyperus difformis, Eleocharis atroperpurea in boro were completely different from each other. In T. aman, five completely different weed species i.e. Ludwigia hyssopifolia, Alternanthera sessilis, Polygonum orientale, Fimbristylis miliaceae and Hedyotis corymbosa were found dominant. Broadleaf weeds were dominant in both T. aman and boro but in potato, grasses dominated over others.

Keywords

Amarjit B, Ganai B.A, Singh K.N, Kolru R. 1994. Weed control in transplanted rice (Oryza sativa). Indian J. Agron. 39: 16-18.
BBS (Bangladesh Bureau of Statistics), 2016: Yearbook of Agricultural Statistics of  Bangladesh. Bangladesh Bur. Stat. Stat. Div., Minis. Plan, Gov. Peoples Repub. Bangladesh. 
Bernasor P.C, De Datta S.K. 1983.Integration of cultural management and chemical control of weeds on broadcast-seeded flooded rice.Proceedings of the 9th Asian Pacific Weed Science Society Conference.pp. 137-155. 
Bhan V.M. 1983.Effect of hydrology, soil moisture regimes and fertility management on weed populations and their control in rice.InWeed Control in Rice. Los Banos, Laguna: Philippines, International Rice Research Institute. pp. 47-56. 
Huda M, Begum M, RahmanM.M,Akter F. 2017.Weed composition study on wheat and bororice in research and farmers’fields. J. Bangladesh Agril Univ. 15: 148-157. 
Islam K.M. R, Begum M, Salam M.A, Akter F. 2017. Weed vegetation in farmers’ crop field under brinjal-poatato-boro cropping pattern. Bangladesh J. Weed. Sci. 6: 35-46. 
Janiya J.D, Moody K. 1983. Weed growth and yield of two rice crops grown in sequence in three rainfed locations in the Philippines. Philipp. Agric. 66: 90-101. 
Kamal-Uddin M, Juraimi A.S, Begum M, Ismail M.R, Rahim A.A, Othman R. 2009. Floristic composition of weed community in turf grass area of west peninsular Malaysia. Int. J. Agric. Biol. 11: 13-20. 
Karim S.M.R. 1987. Estimate of crop losses due to weeds in Bangladesh. Abst. 2nd Annual Conf, Bangladesh Soc. Agron. Bangladesh Rice Res. Inst., Joydebpur, Gazipur. pp. 1920.
Kim S.C, Park R.K, Moody K. 1983.Changes in the weed flora in transplanted rice as affected by introduction of improved rice cultivars and the relationship between weed communities and soil chemical properties. Res. Rept. ORD. 25: 90-97. 
Love S.L, Eberlein C.V, Stark J.C, Bohl W.H. 1995. Cultivar and Seedpiece Spacing Effects on Potato Competitiveness with Weeds. Am. J. Potato Res. 72: 197–213. 
Mamun A.A. 1990. Weeds and their control,A review of weed research in Bangladsh. Agricultural and Rural Development in Bangladesh. JSARD Pub. No 19. Japan Intl. Co-operation Agency. Dhaka, Bangladesh. pp. 45-72. 
Nelson D.C, Thoreson M.C. 1981. Competition between Potatoes (Solanumtuberosum) and Weeds.Weed Sci. 29: 672–677. 
Thomas A.G. 1985. Weed survey system used in Saskatchewan for cereal and oilseed crops. Weed Sci. 33: 34-43.