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Determination of Optimum Doses of Herbicide (teana 9ec) to Control Weeds in Wheat Field

S. K .Paul
SO
Agronomy Division, BARI, Gazipur

M A. Aziz
CSO
Agronomy Division, BARI, Gazipur

Abstract/ Executive Summary:

The experiment was conducted at the research field of Agronomy Division, Jodebpur, Gazipur during the rabi season of 2013-2014 to find out the optimum rate of herbicide (Teana 9 EC) to control weeds in wheat field for getting higher yield. Among the weed species, Bathua Durba Anguli, Helencha, Hatishur, Shama, Bangchora, Swetlomy, Mutha, Shaknote, Gaicha, Chapra, Bon Masur (vicia sp.) were dominant in wheat field. The result showed that Teana 9EC @ 1500 ml/ha controlled 59.17% weeds, where as in treatment two hand weeding the weed control efficiency was 64.44%. The height grain yield was obtained T₅ that was statistically similar with T₃ & T₄. The height gross mergin and MBCR were found from treatment T₄. From the above findings it may be concluted that, though weed control efficiency (WCE) was highest in treatment T₅but labour cost was so high and unavailable. So spraying of herbicide Teana 9EC @ 1500 ml/ha or 1250 ml/ha at 7 DAS might be suitable for higher yield of wheat.

Keywords: Herbicide (Teana 9EC) , Weeds , Wheat field

Location: Jodebpur, Gazipur

Start Date: 00-11-2013

End Date: 00-03-2014

Program Area: Pest Management

Commodity: Herbicide

Objectives:

To find out the optimum dose of herbicide (Teana 9EC) for successful weed control in wheat field.

Methodology:

The experiment was conducted at the Agronomy research field of Bangladesh Agricultural Research Institute, Gazipur during the period from November 2013 to March 2014 The land was medium high and the soil was clay loam in texture. Six treatments viz., (i) Teana 9EC @ 750 ml/ha spraying at 15 DAS and 45 DAS, (ii) Teana 9EC @ 1000 ml/ha spraying at 15 DAS and 45 DAS, (iii) Teana 9EC @ 1250 ml/ha spraying at 15 DAS and 45 DAS, (iv) Teana 9EC @ 1500 ml/ha spraying at 15 DAS and 45 DAS, (v) Two hand weeding (vi) No weeding were in the study. The unit plot size was 3m x 4m. The crop was sown on 26 November 2013. The wheat field was fertilized with 80-60-40-20 kg N-P₂O₅-K₂O-S/ha. Three irrigations were given to the crop at 21, 55 and 75 DAS. Wheat (cv. BARI Gom 26) seeds were sown in line maintaining 20 cm line to line distance. Herbicides were sprayed with a Knapsack sprayer as per treatment and all other operations were done as and when required. Weed samples were at 30 DAS and 60 DAS. Three irrigations were given to the crop at 21, 55 and 75 DAS. Data on yield components were taken and analyzed statistically using MSTAT-C program. The Relative Density (RD) and weed control Efficiency (WEC) were calculated

Source of Information: Annual Research Report 2013-2014, Agronomy Division, BARI, Gazipur.

Article Link (Online Journal):

Funding Source:

1. Government

Budget: 20,000/-

Total Budget (Tk.) : 20,000/-

Achievement/Findings:

It may be concluted that Teana 9 EC can control different weed species. Though the Weed Control Efficiency (WCE) was highest in T₅_,but due to higher labour cost and labour unavailability the MBCR was highest in T₄. So application of Teana 9 EC @ 1250 ml/ha or, 1500 ml/ha at 15 DAS and 45 DAS of wheat is economic or it needs further trial.

Knowledge Management: Report/Proceedings