Abstract
The objective was to evaluate the effects of chemical treatment and levels of mechanical damage and the lignin content of seed coat on soybean seed physiological quality. Two soybean cultivars were used: BMX Lança (58I60 RSF IPRO) and BMX Zeus (55I57 RSF IPRO), with different levels of mechanical injury identified by the tetrazolium test. The chemical treatments used were: control; Carbendazim + Thiram; Carbendazim + Thiram + Dry Powder; Imidacloprid + Thiodicarb; Imidacloprid + Thiodicarb + Dry Powder. A completely randomized design was used, in an 8 × 5 factorial scheme (Types of Samples × Seed Treatment). Physiological quality was evaluated by germination, primary root length, seedling dry mass, accelerated aging and seedling emergence tests. Also, the lignin content in seed coat, one-thousand-seed weight and uniformity test were performed. Data were submitted to analysis of variance (F test) and the mean comparison by the Tukey’s test (p < 0.05). Cultivars showed differences in the tegument lignin content. The treatment with Imidacloprid + Thiodicarb + dry powder promoted greater reduction in seed physiological potential, intensifying in seeds with more severe damage levels. The lignin content in soybeans seed coat influences the occurrence of mechanical injuries. Seeds with greater intensities of mechanical damage are more susceptible to phytotoxic effects promoted by chemical treatment, since such effects are intensified with the incorporation of dry powder in the seed treatment.
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Claims 5
Claim · model-written summary
The two soybean cultivars differed in seed coat lignin content.
- Taxon
- Soybean
Glycine maxt0 - Material
- BMX Lança (58I60 RSF IPRO) and BMX Zeus (55I57 RSF IPRO)e1
- Outcome
- tegument lignin contente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cultivars showed differences in the tegument lignin content”
e1“BMX Lança (58I60 RSF IPRO) and BMX Zeus (55I57 RSF IPRO)”
t0“Soybean”
Claim · model-written summary
Imidacloprid, thiodicarb and dry powder reduced seed physiological potential more strongly with severe seed damage.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Imidacloprid + Thiodicarb + dry powdere0
- Outcome
- seed physiological potentiale0
- Direction
- greater reductione0
- Qualifier
- seeds with more severe damage levelse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The treatment with Imidacloprid + Thiodicarb + dry powder promoted greater reduction in seed physiological potential, intensifying in seeds with more severe damage levels”
t0“Soybean”
Claim · model-written summary
Soybean seed coat lignin content influences mechanical injury occurrence.
- Taxon
- soybeansGlycine maxe0
- Organ / stage
- seed coate0
- Outcome
- occurrence of mechanical injuriese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The lignin content in soybeans seed coat influences the occurrence of mechanical injuries”
Claim · model-written summary
Seeds with more mechanical damage were more susceptible to chemical treatment phytotoxicity.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- chemical treatmente0
- Outcome
- phytotoxic effectse0
- Direction
- more susceptiblee0
- Qualifier
- greater intensities of mechanical damagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds with greater intensities of mechanical damage are more susceptible to phytotoxic effects promoted by chemical treatment”
t0“Soybean”
Claim · model-written summary
Adding dry powder intensified the chemical seed treatment phytotoxic effects.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- incorporation of dry powder in the seed treatmente0
- Outcome
- phytotoxic effectse1
- Direction
- intensifiede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“such effects are intensified with the incorporation of dry powder in the seed treatment”
e1“phytotoxic effects promoted by chemical treatment”
t0“Soybean”
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