Vol. 27 No. 1-2 (2013):
Articles

Screening of herbicides for weed control, growth and yield of irrigated onion (Allium cepa L.) in tropical Savanna climate

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  • D.I. Adekpe,
  • J.A.Y. Shebayan,
  • C.P. Shinggu,
  • L. Aliyu
D.I. Adekpe
Department of Agonomy, Faculty of Agriculture, Institute for Agricultural Research, Ahmadu Bello University, P.M.B. 1044, Zaria, Nigeria.
J.A.Y. Shebayan
Department of Agonomy, Faculty of Agriculture, Institute for Agricultural Research, Ahmadu Bello University, P.M.B. 1044, Zaria, Nigeria.
C.P. Shinggu
Department of Agonomy, Faculty of Agriculture, Institute for Agricultural Research, Ahmadu Bello University, P.M.B. 1044, Zaria, Nigeria.
L. Aliyu
Department of Agonomy, Faculty of Agriculture, Institute for Agricultural Research, Ahmadu Bello University, P.M.B. 1044, Zaria, Nigeria.
DOI: https://doi.org/10.36253/ahsc-18453
Categories

Published 2013-06-30

Keywords

  • Herbicides,
  • hoe weeding,
  • onion,
  • weed control

How to Cite

Adekpe, D., Shebayan, J., Shinggu, C., & Aliyu, L. (2013). Screening of herbicides for weed control, growth and yield of irrigated onion (Allium cepa L.) in tropical Savanna climate. Advances in Horticultural Science, 27(1-2), 67–72. https://doi.org/10.36253/ahsc-18453

Copyright (c) 2013 D.I. Adekpe, J.A.Y. Shebayan, C.P. Shinggu, L. Aliyu

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

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Abstract

Field experiments were conducted during the 2006/2007 and 2007/2008 dry seasons at Sudan Savanna Nigeria to study the effects of herbicides on weeds and growth of irrigated onion (Allium cepa L.). The field was laid out in a randomized complete block design (RCBD) and the treatments included four rates (with and without supplementary hoe weeding - SHW) of oxadiazon 25 EC, butachlor 50 EC, pendimenthalin 50 EC, bullet 700 SC (atrazine + acetochlor + terbuthylazine), eight rates (with or without SHW) of oxyfluorfen 41 FW, hoe weeded at 3 and 6 weeks after transplanting (WAT) and untreated control. The treatments were replicated three times. The results indicated that application of oxadiazon 25 EC at 4 l/ha and oxyfluorfen 41FW at 6 l/ha both followed by SHW gave low weed dry weight, larger bulb diameter, higher mean bulb weight and bulb yield per hectare compared to the hoe-weeded control.

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