Abstract
Experiments were conducted at Minlaton on the Yorke Peninsula of South Australia in 2004 and 2005 to study the effect of four different seeding systems and dinitroaniline herbicides on the seedling emergence and growth of rigid ryegrass in wheat. The seeding systems were low soil-disturbance discs (DayBreak and K-Hart) and high soil-disturbance tines (narrow point and Ribbon seeder); and the herbicides were oryzalin, pendimethalin, and trifluralin at rate of 0.72 kg ai/ha. The total seedling emergence of rigid ryegrass was higher in nontreated plots planted with the tines compared with the discs. In general, oryzalin was the least-effective herbicide in controlling emergence of rigid ryegrass. All herbicides were more effective in reducing the number of plants, spikes, dry matter, and seed production of rigid ryegrass in combination with tines than with discs. However, in the absence of herbicides, plant and spike numbers, plant dry weight, and seed production of rigid ryegrass were significantly lower where discs were used to sow, rather than tines. In the absence of herbicide, rigid ryegrass was less competitive with wheat under the disc-sown systems. The response of grain yield to herbicides was greater under the tine-sown systems than the disc-sown systems.
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Claims 8
Claim · model-written summary
Total seedling emergence of rigid ryegrass was higher in nontreated plots sown with tines than with discs.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- tinese1
- Interactor
- rigid ryegrasse1weed
- Outcome
- total seedling emergence of rigid ryegrasse1
- Direction
- highere1
- Comparator
- discse1
- Setting
- Minlaton on the Yorke Peninsula of South Australiae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Experiments were conducted at Minlaton on the Yorke Peninsula of South Australia in 2004 and 2005 to study the effect of four different seeding systems and dinitroaniline herbicides on the seedling emergence and growth of rigid ryegrass in wheat”
e1“The total seedling emergence of rigid ryegrass was higher in nontreated plots planted with the tines compared with the discs”
Claim · model-written summary
Without herbicides, plant and spike numbers and plant dry weight of rigid ryegrass were significantly lower where discs were used than where tines were used.
- Taxon
- wheatTriticum aestivume0
- Treatment
- discse2
- Interactor
- rigid ryegrasse2weed
- Outcome
- plant and spike numbers, plant dry weighte2
- Direction
- lowere2
- Qualifier
- in the absence of herbicidese2
- Comparator
- tinese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Experiments were conducted at Minlaton on the Yorke Peninsula of South Australia in 2004 and 2005 to study the effect of four different seeding systems and dinitroaniline herbicides on the seedling emergence and growth of rigid ryegrass in wheat”
e2“in the absence of herbicides, plant and spike numbers, plant dry weight, and seed production of rigid ryegrass were significantly lower where discs were used to sow, rather than tines”
Claim · model-written summary
Without herbicides, seed production of rigid ryegrass was significantly lower where discs were used than where tines were used.
- Taxon
- wheatTriticum aestivume0
- Treatment
- discse2
- Interactor
- rigid ryegrasse2weed
- Outcome
- seed productione2
- Direction
- lowere2
- Qualifier
- in the absence of herbicidese2
- Comparator
- tinese2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Experiments were conducted at Minlaton on the Yorke Peninsula of South Australia in 2004 and 2005 to study the effect of four different seeding systems and dinitroaniline herbicides on the seedling emergence and growth of rigid ryegrass in wheat”
e2“in the absence of herbicides, plant and spike numbers, plant dry weight, and seed production of rigid ryegrass were significantly lower where discs were used to sow, rather than tines”
Claim · model-written summary
All herbicides reduced the number of rigid ryegrass plants, spikes and dry matter more when combined with tines than with discs.
- Taxon
- wheatTriticum aestivume0
- Treatment
- All herbicidese3
- Interactor
- rigid ryegrasse3weed
- Outcome
- number of plants, spikes, dry mattere3
- Direction
- reducinge3
- Comparator
- discse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Experiments were conducted at Minlaton on the Yorke Peninsula of South Australia in 2004 and 2005 to study the effect of four different seeding systems and dinitroaniline herbicides on the seedling emergence and growth of rigid ryegrass in wheat”
e3“All herbicides were more effective in reducing the number of plants, spikes, dry matter, and seed production of rigid ryegrass in combination with tines than with discs”
Claim · model-written summary
All herbicides reduced seed production of rigid ryegrass more when combined with tines than with discs.
- Taxon
- wheatTriticum aestivume0
- Treatment
- All herbicidese3
- Interactor
- rigid ryegrasse3weed
- Outcome
- seed productione3
- Direction
- reducinge3
- Comparator
- discse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Experiments were conducted at Minlaton on the Yorke Peninsula of South Australia in 2004 and 2005 to study the effect of four different seeding systems and dinitroaniline herbicides on the seedling emergence and growth of rigid ryegrass in wheat”
e3“All herbicides were more effective in reducing the number of plants, spikes, dry matter, and seed production of rigid ryegrass in combination with tines than with discs”
Claim · model-written summary
Oryzalin was the least effective of the herbicides in controlling emergence of rigid ryegrass.
- Taxon
- wheatTriticum aestivume0
- Treatment
- oryzaline4
- Interactor
- rigid ryegrasse4weed
- Outcome
- emergence of rigid ryegrasse4
- Direction
- least-effectivee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Experiments were conducted at Minlaton on the Yorke Peninsula of South Australia in 2004 and 2005 to study the effect of four different seeding systems and dinitroaniline herbicides on the seedling emergence and growth of rigid ryegrass in wheat”
e4“In general, oryzalin was the least-effective herbicide in controlling emergence of rigid ryegrass”
Claim · model-written summary
Without herbicide, rigid ryegrass was less competitive with wheat under disc-sown systems.
- Taxon
- wheatTriticum aestivume0
- Treatment
- disc-sown systemse5
- Interactor
- rigid ryegrasse5weed
- Outcome
- competitive with wheate5
- Direction
- lesse5
- Qualifier
- In the absence of herbicidee5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Experiments were conducted at Minlaton on the Yorke Peninsula of South Australia in 2004 and 2005 to study the effect of four different seeding systems and dinitroaniline herbicides on the seedling emergence and growth of rigid ryegrass in wheat”
e5“In the absence of herbicide, rigid ryegrass was less competitive with wheat under the disc-sown systems”
Claim · model-written summary
The response of wheat grain yield to herbicides was greater under tine-sown systems than under disc-sown systems.
- Taxon
- wheatTriticum aestivume0
- Treatment
- tine-sown systemse6
- Outcome
- response of grain yield to herbicidese6
- Direction
- greatere6
- Comparator
- disc-sown systemse6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Experiments were conducted at Minlaton on the Yorke Peninsula of South Australia in 2004 and 2005 to study the effect of four different seeding systems and dinitroaniline herbicides on the seedling emergence and growth of rigid ryegrass in wheat”
e6“The response of grain yield to herbicides was greater under the tine-sown systems than the disc-sown systems”
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