Abstract
Field and greenhouse experiments were conducted in 2004 and 2005 to study weed control and the response of winter wheat to tank mixtures of 2,4‐D plus MCPA with clodinafop propargyl. The field experiments were conducted at Yazd and Oroumieh, Iran, with factorial combinations of 2,4‐D plus MCPA at 0, 975, and 1300 g ai ha −1 and with clodinafop propargyl at 0, 64, 80, 96, and 112 g ai ha −1 in four replications. The greenhouse experiments further evaluated the effect of these tank mixtures on weed control, where each herbicide mixture was considered as one treatment and the experiment was established in a randomized complete block design with four replications. In the field experiments, the herbicides were applied at wheat tillering, while in the greenhouse experiments they were applied at the beginning of the tillering stage and at the four‐leaf stage of the grass and broadleaf weeds, respectively. The results indicated antagonistic effects between 2,4‐D plus MCPA and clodinafop propargyl. The best tank mixture with regard to weed control efficacy was 2,4‐D plus MCPA at 975 g ai ha −1 with clodinafop propargyl at 96 g ai ha −1 . The wheat grain yield was also increased by the tank mixture of clodinafop propargyl with 2,4‐D plus MCPA. Generally, to inhibit clodinafop propargyl efficacy reduction due to tank‐mixing with 2,4‐D plus MCPA, it is recommended that the application dose of 64 g ai ha −1 should be increased to 96 g ai ha −1 .
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Claims 4
Claim · model-written summary
The two herbicides had antagonistic effects in mixtures.
- Taxon
- winter wheat
Triticum aestivumt0 - Treatment
- 2,4‐D plus MCPA and clodinafop propargyle0
- Outcome
- antagonistic effectse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat (Triticum aestivum L.)”
e0“The results indicated antagonistic effects between 2,4‐D plus MCPA and clodinafop propargyl.”
Claim · model-written summary
The mixture of 975 g ai ha −1 2,4‐D plus MCPA and 96 g ai ha −1 clodinafop propargyl had the best weed control efficacy.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- 2,4‐D plus MCPA at 975 g ai ha −1 with clodinafop propargyl at 96 g ai ha −1e0
- Outcome
- weed control efficacye0
- Direction
- beste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat (Triticum aestivum L.)”
e0“The best tank mixture with regard to weed control efficacy was 2,4‐D plus MCPA at 975 g ai ha −1 with clodinafop propargyl at 96 g ai ha −1 .”
Claim · model-written summary
The herbicide mixture increased wheat grain yield.
- Taxon
- winter wheatTriticum aestivumt0
- Treatment
- tank mixture of clodinafop propargyl with 2,4‐D plus MCPAe0
- Outcome
- wheat grain yielde0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat (Triticum aestivum L.)”
e0“The wheat grain yield was also increased by the tank mixture of clodinafop propargyl with 2,4‐D plus MCPA.”
Claim · model-written summary
The authors recommend increasing clodinafop propargyl from 64 to 96 g ai ha −1 when tank mixed to counter efficacy reduction.
- Taxon
- winter wheatTriticum aestivumt0
- Outcome
- application dose of 64 g ai ha −1 should be increased to 96 g ai ha −1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“winter wheat (Triticum aestivum L.)”
e0“to inhibit clodinafop propargyl efficacy reduction due to tank‐mixing with 2,4‐D plus MCPA, it is recommended that the application dose of 64 g ai ha −1 should be increased to 96 g ai ha −1”
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