Abstract
Weeds cause a serious constraint to wheat productivity. Chemical weed control is considered the most effective method to control weeds; however, a suitable dose and combination of herbicide with adjuvants play a vital role in controlling weeds and producing maximum wheat production. A field study was conducted to investigate the effectiveness of various doses of metribuzin alone or in combination with adjuvants [Bio-power (alkyl ether sulfates and sodium salts) and Ad-500 (fatty alcohol ethoxylate)] on the growth and yield of wheat and its associated weeds. Metribuzin at 175, 140, and 105 g a.i ha –1 , each in combination with adjuvants (Bio-power or Ad-500) at 400 ml ha –1 , were sprayed. A weedy check was also included as a control treatment. The wheat crop was infested with Fumaria indica , Melilotus indica , Anagallis arvensis , and Phalaris minor , and metribuzin with or without adjuvant was sprayed at two- to four-leaf stage of the weeds. The photosynthetic activity, weed population of each weed, and biomass of each weed was significantly affected by all herbicides along with the adjuvant. However, maximum inhibition of tested weeds was observed where metribuzin at 175 g a.i ha –1 + Bio-power at 400 ml ha –1 were sprayed. Metribuzin sprayed at 175 g a.i ha –1 with or without Bio-power recorded a maximum 1,000-grain weight, biological yield, and grain yield. Conclusively, metribuzin sprayed at 175 g a.i ha –1 + Bio-power at 400 at ml ha –1 have the potential to improve wheat yield by inhibiting weed growth, and Bio-power was superior to Ad-500 in improving the efficacy of metribuzin against weeds of wheat crop.
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Claims 6
Claim · model-written summary
Herbicide plus adjuvant significantly affected wheat photosynthetic activity.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- all herbicides along with the adjuvante0
- Outcome
- photosynthetic activitye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The photosynthetic activity, weed population of each weed, and biomass of each weed was significantly affected by all herbicides along with the adjuvant.”
t0“Wheat”
Claim · model-written summary
Herbicide plus adjuvant significantly affected weed populations and biomass.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- all herbicides along with the adjuvante0
- Interactor
- weedse1weed
- Outcome
- weed population of each weed, and biomass of each weede0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The photosynthetic activity, weed population of each weed, and biomass of each weed was significantly affected by all herbicides along with the adjuvant.”
t0“Wheat”
e1“maximum inhibition of tested weeds was observed where metribuzin at 175 g a.i ha –1 + Bio-power at 400 ml ha –1 were sprayed.”
Claim · model-written summary
Metribuzin 175 g a.i ha –1 with Bio-power 400 ml ha –1 gave maximum weed inhibition.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- metribuzin at 175 g a.i ha –1 + Bio-power at 400 ml ha –1e0
- Interactor
- weedse0weed
- Outcome
- inhibition of tested weedse0
- Direction
- maximume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“maximum inhibition of tested weeds was observed where metribuzin at 175 g a.i ha –1 + Bio-power at 400 ml ha –1 were sprayed.”
t0“Wheat”
Claim · model-written summary
Metribuzin 175 g a.i ha –1 with or without Bio-power maximized grain weight and biological and grain yield.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Metribuzin sprayed at 175 g a.i ha –1 with or without Bio-powere0
- Outcome
- 1,000-grain weight, biological yield, and grain yielde0
- Direction
- maximume0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Metribuzin sprayed at 175 g a.i ha –1 with or without Bio-power recorded a maximum 1,000-grain weight, biological yield, and grain yield.”
t0“Wheat”
Claim · model-written summary
Bio-power was superior to Ad-500 in improving metribuzin efficacy against wheat weeds.
- Taxon
- wheatTriticum aestivume0
- Treatment
- Bio-powere0
- Interactor
- weedse0weed
- Outcome
- efficacy of metribuzin against weedse0
- Direction
- superiore0
- Comparator
- Ad-500e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Bio-power was superior to Ad-500 in improving the efficacy of metribuzin against weeds of wheat crop.”
Claim · model-written summary
The authors conclude that 175 g a.i ha –1 metribuzin plus 400 ml ha –1 Bio-power can improve wheat yield by inhibiting weeds.
- Taxon
- wheatTriticum aestivume0
- Interactor
- weede0weed
- Outcome
- metribuzin sprayed at 175 g a.i ha –1 + Bio-power at 400 at ml ha –1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“metribuzin sprayed at 175 g a.i ha –1 + Bio-power at 400 at ml ha –1 have the potential to improve wheat yield by inhibiting weed growth”
e1“wheat yield by inhibiting weed growth”
The same questions in other papers
metribuzin · yield · Triticum aestivum (wheat)Results differ
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- positive
- positive
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3 papers in the same direction as this paper
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application · yield · Triticum aestivum (wheat)Positive and negative results
794 papers in the same direction as this paper · 75 in the opposite direction · 7 reporting no difference from an alternative
- positive
- no effect
- negative
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See all 877 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.