Abstract
Background: Weed control is an important issue for the proper growth of wheat. Objective: The purpose of the present study was to see the effect of selected herbicides on weed infestation behavior in wheat field; to determine the effect of herbicides on growth and development of wheat plants, and to evaluate the effect of herbicides on yield performance of wheat. Methodology: A field experiment was conducted at the Experimental Farm of the Bangabandhu Sheikh Mujibur Rahman Agricultural University (BSMRAU), Gazipur, Bangladesh during November to May 2011 -2012. Four herbicides were tested at recommended dose alone and also coupled with supplemental hand weeding in wheat crop. In addition, a weedy check (control) was also imposed for treatment comparison. The herbicides were Pendimethalin, Carfentrazone-ethyl + Isoproturon, Carfentrazone-ethyl and 2,4-D. In this way, nine treatment combinations were arranged in the RCBD experiment with three replications. Result: Carfentrazone-ethyl performed the best in terms of weed control efficiency (79.68%), while Pendimethalin performed the worst (52.74%). Carfentrazone-ethyl + Isoproteuron contributed to the highest tillers per unit area (226.3 m-2) and the highest total dry matter (1342 g m-2). Finally, Carfentrazone-ethyl + Isoproteuron also contributed to the highest grain yield of 3.56 t ha-1 with the highest harvest index of 0.42. Carfentrazone-ethyl + Isoproteuron accompanied by one hand weeding also contributed to statistically identical grain yield of 3.33 t ha-1. Single ingredient Carfentrazone-ethyl alone and when accompanied with one hand weeding also contributed to statistically identical grain yields of 3.26 t ha-1 and 3.46 t ha-1, respectively. Conclusion: The study revealed that, combined ingredient herbicide Carfentrazone-ethyl + Isoproteuron as well as Carfentrazone-ethyl alone might used at field level due to their better weed control efficiency, favourable effect on crop growth and development and higher grain yield.Journal of Science Foundation 2014;12(2):27-33DOI: http://dx.doi.org/10.3329/jsf.v12i2.27734
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Claims 11
Claim · model-written summary
Carfentrazone-ethyl had the highest weed control efficiency, 79.68%.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- Carfentrazone-ethyle0
- Interactor
- Weede2weed
- Outcome
- weed control efficiencye0
- Direction
- beste0
- Value
- 79.68%e0
- Comparator
- Pendimethaline1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Carfentrazone-ethyl performed the best in terms of weed control efficiency (79.68%)”
t0“Wheat”
e1“Pendimethalin performed the worst (52.74%)”
e2“Weed”
Claim · model-written summary
Pendimethalin had the lowest weed control efficiency, 52.74%.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Pendimethaline0
- Interactor
- Weede2weed
- Outcome
- weed control efficiencye1
- Direction
- worste0
- Value
- 52.74%e0
- Comparator
- Carfentrazone-ethyle1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pendimethalin performed the worst (52.74%)”
t0“Wheat”
e1“Carfentrazone-ethyl performed the best in terms of weed control efficiency (79.68%)”
e2“Weed”
Claim · model-written summary
Carfentrazone-ethyl + Isoproteuron gave the highest tiller density, 226.3 m-2.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Carfentrazone-ethyl + Isoproteurone0
- Outcome
- tillers per unit areae0
- Direction
- higheste0
- Value
- 226.3 m-2e0
- Comparator
- weedy checke1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Carfentrazone-ethyl + Isoproteuron contributed to the highest tillers per unit area (226.3 m-2)”
t0“Wheat”
e1“weedy check (control)”
Claim · model-written summary
Carfentrazone-ethyl + Isoproteuron gave the highest dry matter, 1342 g m-2.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Carfentrazone-ethyl + Isoproteurone0
- Outcome
- total dry mattere0
- Direction
- higheste0
- Value
- 1342 g m-2e0
- Comparator
- weedy checke1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Carfentrazone-ethyl + Isoproteuron contributed to the highest tillers per unit area (226.3 m-2) and the highest total dry matter (1342 g m-2).”
t0“Wheat”
e1“weedy check (control)”
Claim · model-written summary
Carfentrazone-ethyl + Isoproteuron produced the highest grain yield, 3.56 t ha-1.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Carfentrazone-ethyl + Isoproteurone0
- Outcome
- grain yielde0
- Direction
- higheste0
- Value
- 3.56 t ha-1e0
- Comparator
- weedy checke1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Carfentrazone-ethyl + Isoproteuron also contributed to the highest grain yield of 3.56 t ha-1 with the highest harvest index of 0.42.”
t0“Wheat”
e1“weedy check (control)”
Claim · model-written summary
Carfentrazone-ethyl + Isoproteuron produced the highest harvest index, 0.42.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Carfentrazone-ethyl + Isoproteurone0
- Outcome
- harvest indexe0
- Direction
- higheste0
- Value
- 0.42e0
- Comparator
- weedy checke1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Carfentrazone-ethyl + Isoproteuron also contributed to the highest grain yield of 3.56 t ha-1 with the highest harvest index of 0.42.”
t0“Wheat”
e1“weedy check (control)”
Claim · model-written summary
Carfentrazone-ethyl + Isoproteuron with hand weeding yielded 3.33 t ha-1, statistically identical to the highest yield.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Carfentrazone-ethyl + Isoproteuron accompanied by one hand weedinge0
- Outcome
- grain yielde0
- Direction
- no_changeinferrede0
- Value
- 3.33 t ha-1e0
- Comparator
- highest grain yield of 3.56 t ha-1e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Carfentrazone-ethyl + Isoproteuron accompanied by one hand weeding also contributed to statistically identical grain yield of 3.33 t ha-1.”
t0“Wheat”
e1“highest grain yield of 3.56 t ha-1”
Claim · model-written summary
Carfentrazone-ethyl alone yielded 3.26 t ha-1, statistically identical to the highest yield.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Carfentrazone-ethyl alonee0
- Outcome
- grain yieldse0
- Direction
- no_changeinferrede0
- Value
- 3.26 t ha-1e0
- Comparator
- highest grain yield of 3.56 t ha-1e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Single ingredient Carfentrazone-ethyl alone and when accompanied with one hand weeding also contributed to statistically identical grain yields of 3.26 t ha-1 and 3.46 t ha-1, respectively.”
t0“Wheat”
e1“highest grain yield of 3.56 t ha-1”
Claim · model-written summary
Carfentrazone-ethyl with hand weeding yielded 3.46 t ha-1, statistically identical to the highest yield.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Carfentrazone-ethyl alone and when accompanied with one hand weedinge0
- Outcome
- grain yieldse0
- Direction
- no_changeinferrede0
- Value
- 3.46 t ha-1e0
- Comparator
- highest grain yield of 3.56 t ha-1e1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Single ingredient Carfentrazone-ethyl alone and when accompanied with one hand weeding also contributed to statistically identical grain yields of 3.26 t ha-1 and 3.46 t ha-1, respectively.”
t0“Wheat”
e1“highest grain yield of 3.56 t ha-1”
Claim · model-written summary
The authors recommend Carfentrazone-ethyl + Isoproteuron for field use.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Carfentrazone-ethyl + Isoproteurone0
- Outcome
- might used at field levele0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“combined ingredient herbicide Carfentrazone-ethyl + Isoproteuron as well as Carfentrazone-ethyl alone might used at field level due to their better weed control efficiency, favourable effect on crop growth and development and higher grain yield.”
t0“Wheat”
Claim · model-written summary
The authors recommend Carfentrazone-ethyl alone for field use.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Carfentrazone-ethyl alonee0
- Outcome
- might used at field levele0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“combined ingredient herbicide Carfentrazone-ethyl + Isoproteuron as well as Carfentrazone-ethyl alone might used at field level due to their better weed control efficiency, favourable effect on crop growth and development and higher grain yield.”
t0“Wheat”
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