Abstract
Plant lodging in wheat has been controlled through growth retardants. However, there is lack of information on the effect of these products on the physiological quality of seeds. The objective of this study was to evaluate the physiological quality of wheat seeds obtained under different rates and application times of three growth retardants. The trial was carried out in Viçosa-MG, from May to September 2005, in a factorial and hierarchical scheme, in randomized block design with four replications and a control treatment. The treatments consisted of 500, 1000 and 1500g ha-1 of chlormequat; 40, 80 and 120g ha-1 of paclobutrazol and 62.5, 125 and 187.5g ha-1 of trinexapac-ethyl applied at the 6 or 8 growth stage based on the scale of Feeks and Large, and a control treatment without growth retardant application. Leaf application of growth retardants as chlormequat, paclobutrazol and trinexapac-ethyl did not affect the germination and vigor of wheat seeds.
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Claims 3
Claim · model-written summary
Leaf application of chlormequat did not affect wheat seed germination or vigor.
- Taxon
- wheat
Triticum aestivume0 - Organ / stage
- seedse0
- Treatment
- chlormequate0
- Outcome
- germination and vigore0
- Direction
- did not affecte0
- Comparator
- control treatment without growth retardant applicatione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf application of growth retardants as chlormequat, paclobutrazol and trinexapac-ethyl did not affect the germination and vigor of wheat seeds.”
e1“a control treatment without growth retardant application.”
Claim · model-written summary
Leaf application of paclobutrazol did not affect wheat seed germination or vigor.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- seedse0
- Treatment
- paclobutrazole0
- Outcome
- germination and vigore0
- Direction
- did not affecte0
- Comparator
- control treatment without growth retardant applicatione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf application of growth retardants as chlormequat, paclobutrazol and trinexapac-ethyl did not affect the germination and vigor of wheat seeds.”
e1“a control treatment without growth retardant application.”
Claim · model-written summary
Leaf application of trinexapac-ethyl did not affect wheat seed germination or vigor.
- Taxon
- wheatTriticum aestivume0
- Organ / stage
- seedse0
- Treatment
- trinexapac-ethyle0
- Outcome
- germination and vigore0
- Direction
- did not affecte0
- Comparator
- control treatment without growth retardant applicatione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leaf application of growth retardants as chlormequat, paclobutrazol and trinexapac-ethyl did not affect the germination and vigor of wheat seeds.”
e1“a control treatment without growth retardant application.”
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paclobutrazol · growth · Triticum aestivum (wheat)Results differ
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- no effect
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See all 18 papers →chlormequat chloride · growth · Triticum aestivum (wheat)Results differ
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See all 49 papers →trinexapac-ethyl · growth · Triticum aestivum (wheat)Positive and negative results
8 papers in the same direction as this paper · 4 in the opposite direction
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See all 13 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.