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Efficacy of Different Herbicides on the Yield and Yield Components of Maize

M.M. KARIM
Scientific Officer
Agronomy Division, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh

I.M. AHMED
Scientific Officer
Agronomy Division, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh

S.M.S. HAIDER
Scientific Officer
Agronomy Division, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh

M.R. SHAHEB
Scientific Officer
Seed Technology Division, Bangladesh Agricultural Research Institute, Gazipur

M. SHAHEENUZZAMN
Scientific Officer
Agronomy Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, Bangladesh

M.H. AHMED
Additional Agriculture Officer
DAE, Khisorgonj Sadar

Abstract/ Executive Summary:

A research work was conducted at the Bangladesh Agricultural Research Institute Joydebpur, during rabi season of 2006-07 to find out the appropriate herbicide for successful control of weed in Maize field. Five treatments viz. T₁ = No weeding; T₂= Hand weeding (weed free). T₃= Dual gold 960EC @1.0 L/ha, T₄= Dual gold @1.5 L/ha; T₅= Ronstar @ 2.0 L/ha. The maximum (8400 kg/ha) grain yield was recorded in hand weeding plot which is statistically at per with Dual Gold 960EC @ 1.0 L/ha treated plot. The minimum (6400 kg/ha) yield was recorded in no weeding check plots.

Keywords: Herbicide, Weeds, Maize and yield

Location: Bangladesh Agricultural Research Institute, Gazipur

Start Date: 00-00-2006

End Date: 00-00-2007

Program Area: Pest Management

Commodity: Maize

Objectives:

To study the impact of herbicides on different weeds and also know the response of crop to such herbicides in terms of tolerance, yield and yield components of maize

Methodology:

The experiment was conducted at BARI, Gazipur in 2006-2007. Maize was used in the experiment. The layout of experiment was in randomized complete block design (RCBD) with three replications. There were five treatments namely, T₁: No weeding (check); T₂: Hand weeding; T₃: Dual Gold 960EC @ 1.0 L/ha; T₄: Dual Gold 960EC @ 1.5 L/ha; T₅: Ronstar @ 2.0 L/ha, in each replication with at plot size 5 X 4 m^-2. Herbicidal treatments were done after seed sowing with hand sprayer. The crop was fertilized with N₂₅₀P₅₅K₁₁₀S₅₅kg ha^-1in the form of urea, triple super phosphate (TSP), muriate of potash (MoP) and gypsum. One third of nitrogen and full dose of other fertilizers were incorporated into the soil during final land preparation. Remaining nitrogen were top-dressed in two equal splits at 35 and 60 days after sowing (DAS) in maize rows. Weed samples were collected using 50 cm X 50 cm quadrate from randomly selected two places from each plot at 25 and 45 days of planting. Number and dry weight of weeds were recorded. Weed control efficiency (WCE) was calculated using following formula: WCE (%)= A-B/A) X 100 where A=Dry weight of weeds in no weeding plots and B=Dry weight of weeds in treated plots. Yield and yield contributing characters were recorded and analyzed statistically and mean separations were done by LSD tests were used to determine differences among sowing dates using Mstat-C^TM statistical software.

Source of Information: Int. J. Expt. Agric. 1(1): 12-14, (2010)

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Hand weeding is the best method to control weeds and getting higher yield but shortage of labor and higher cost are great hurdles for adoption this method. In Dual Gold 960EC @ 1.0 L/ha treated plot gave the second highest yield which is statistically similar to hand weeding plot. So, using of Dual Gold 960EC @ 1.0 L/ha could be suitable for adoption of weed control in maize.

Knowledge Management: Journal