Abstract
Allelopathy is an environment friendly technique in controlling weeds and helpful in reducing cost of herbicide. An experiment was conducted at PMAS Arid Agriculture University during Rabi 2007, to observe the allelopathic effect of water extracts of sorghum, sunflower and brassica to control weeds in wheat using cultivar GA-2002. Extracts were prepared by taking chopped dry sorghum, sunflower and brassica herbage separately in water for one day in the proportion of 1:10 (w/v). The treatments were control, hand weeding, sorghum, sunflower and brassica individually and combined as sorghum+ sunflower, sorghum+ brassica, sunflower+ brassica and sorghum+ sunflower+ brassica. The experiment was laid out in Randomized Complete Block Design with four replications. Size of each individual plot was 5 × 6 m. Results indicated that the highest weed density and biomass suppression was achieved with hand weeding among all the treatments. Among the foliar application of extracts, the highest weed control was recorded with the combined application of concentrated aqueous extracts of sorghum, sunflower and brassica at 45 and 75 days after sowing followed by both sorghum+ sunflower. In case of growth and yield components, highest increase was recorded in manual weeding and lowest in case control. Among extracts application treatments the highest increase in wheat biometry and yield attributes was found by combined application of sorghum, sunflower and brassica extracts compared to rest of the treatments.
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Claims 5
Claim · model-written summary
Hand weeding gave the highest weed density and biomass suppression among all treatments in wheat.
- Taxon
- wheat
Triticum aestivume0 - Material
- GA-2002e0
- Treatment
- hand weedinge1
- Interactor
- weede1weed
- Outcome
- weed density and biomass suppressione1
- Direction
- higheste1
- Comparator
- all the treatmentse1
- Setting
- PMAS Arid Agriculture Universitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An experiment was conducted at PMAS Arid Agriculture University during Rabi 2007, to observe the allelopathic effect of water extracts of sorghum, sunflower and brassica to control weeds in wheat using cultivar GA-2002”
e1“Results indicated that the highest weed density and biomass suppression was achieved with hand weeding among all the treatments”
Claim · model-written summary
Combined foliar application of concentrated sorghum, sunflower and brassica extracts at 45 and 75 days after sowing gave the highest weed control among extract treatments.
- Taxon
- wheatTriticum aestivume0
- Material
- GA-2002e0
- Treatment
- combined application of concentrated aqueous extracts of sorghum, sunflower and brassicae2
- Interactor
- weede2weed
- Outcome
- weed controle2
- Direction
- higheste2
- Qualifier
- at 45 and 75 days after sowinge2
- Comparator
- foliar application of extractse2
- Setting
- PMAS Arid Agriculture Universitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An experiment was conducted at PMAS Arid Agriculture University during Rabi 2007, to observe the allelopathic effect of water extracts of sorghum, sunflower and brassica to control weeds in wheat using cultivar GA-2002”
e2“Among the foliar application of extracts, the highest weed control was recorded with the combined application of concentrated aqueous extracts of sorghum, sunflower and brassica at 45 and 75 days after sowing followed by both sorghum+ sunflower”
Claim · model-written summary
Sorghum+ sunflower extract application ranked second for weed control, below the combined three-extract application.
- Taxon
- wheatTriticum aestivume0
- Material
- GA-2002e0
- Treatment
- sorghum+ sunflowere2
- Interactor
- weede2weed
- Outcome
- weed controle2
- Direction
- lowerinferrede2
- Comparator
- combined application of concentrated aqueous extracts of sorghum, sunflower and brassicae2
- Setting
- PMAS Arid Agriculture Universitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An experiment was conducted at PMAS Arid Agriculture University during Rabi 2007, to observe the allelopathic effect of water extracts of sorghum, sunflower and brassica to control weeds in wheat using cultivar GA-2002”
e2“Among the foliar application of extracts, the highest weed control was recorded with the combined application of concentrated aqueous extracts of sorghum, sunflower and brassica at 45 and 75 days after sowing followed by both sorghum+ sunflower”
Claim · model-written summary
Manual weeding gave the highest increase in wheat growth and yield components, and the control the lowest.
- Taxon
- wheatTriticum aestivume0
- Material
- GA-2002e0
- Treatment
- manual weedinge3
- Outcome
- growth and yield componentse3
- Direction
- highest increasee3
- Qualifier
- lowest in case controle3
- Comparator
- case controle3
- Setting
- PMAS Arid Agriculture Universitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An experiment was conducted at PMAS Arid Agriculture University during Rabi 2007, to observe the allelopathic effect of water extracts of sorghum, sunflower and brassica to control weeds in wheat using cultivar GA-2002”
e3“In case of growth and yield components, highest increase was recorded in manual weeding and lowest in case control”
Claim · model-written summary
The combined sorghum, sunflower and brassica extracts gave the highest increase in wheat biometry and yield attributes compared with the other treatments.
- Taxon
- wheatTriticum aestivume0
- Material
- GA-2002e0
- Treatment
- combined application of sorghum, sunflower and brassica extractse4
- Outcome
- wheat biometry and yield attributese4
- Direction
- highest increasee4
- Comparator
- rest of the treatmentse4
- Setting
- PMAS Arid Agriculture Universitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An experiment was conducted at PMAS Arid Agriculture University during Rabi 2007, to observe the allelopathic effect of water extracts of sorghum, sunflower and brassica to control weeds in wheat using cultivar GA-2002”
e4“Among extracts application treatments the highest increase in wheat biometry and yield attributes was found by combined application of sorghum, sunflower and brassica extracts compared to rest of the treatments”
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