Abstract
Pre-harvest desiccation of soybean plants from non-genetically modified cultivars with glyphosate have shown to be detrimental to seed physiological quality by reducing germination and increasing production of abnormal seedlings. On the other hand, many products have been applied to seeds in order to enhance quality such as growth regulators and micronutrients. This study aimed to verify the phytotoxic effects of pre-harvest desiccation with glyphosate on physiological quality of soybean seeds and if they can be overcome or minimized by the application of micronutrients and biostimulant. Seeds from soybean cultivar Conquista were produced with and without desiccation with glyphosate, at the dose 2.0 L ha -1 , applied at physiological maturity stage. Right after harvest, seeds were treated with Co + Mo + B + Zn, Co + Mo and biostimulant; a control, with no treatment, was also evaluated. Physiological quality was assessed by tests of germination and seedling development. Data was submitted to variance analysis. Means were compared by the Tukey test (p 0.05) and analyzed as a 2 3 factorial. Dunnet's test (p 0.05) was also applied. Negative effects of pre-harvest desiccation with glyphosate on germination of soybean seeds can be overcome by the application of micronutrients Co+Mo. Applying biostimulant to soybean seeds improves seedling development compared with micronutrient treatments, although it does not minimize detrimental effects of desiccation with glyphosate.
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Claims 3
Claim · model-written summary
Micronutrients Co+Mo overcame the negative effect of pre-harvest glyphosate desiccation on soybean seed germination.
- Taxon
- soybean
Glycine maxe0 - Material
- Conquistae2
- Treatment
- micronutrients Co+Moe0
- Outcome
- germinatione0
- Direction
- overcomee0
- Comparator
- pre-harvest desiccation with glyphosatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Negative effects of pre-harvest desiccation with glyphosate on germination of soybean seeds can be overcome by the application of micronutrients Co+Mo”
e2“Seeds from soybean cultivar Conquista were produced with and without desiccation with glyphosate, at the dose 2.0 L ha -1 , applied at physiological maturity stage”
Claim · model-written summary
Biostimulant application improved soybean seedling development compared with micronutrient treatments.
- Taxon
- soybeanGlycine maxe1
- Material
- Conquistae2
- Treatment
- biostimulante1
- Outcome
- seedling developmente1
- Direction
- improvese1
- Comparator
- micronutrient treatmentse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Applying biostimulant to soybean seeds improves seedling development compared with micronutrient treatments, although it does not minimize detrimental effects of desiccation with glyphosate”
e2“Seeds from soybean cultivar Conquista were produced with and without desiccation with glyphosate, at the dose 2.0 L ha -1 , applied at physiological maturity stage”
Claim · model-written summary
Biostimulant application did not minimize the detrimental effects of glyphosate desiccation on soybean seeds.
- Taxon
- soybeanGlycine maxe1
- Material
- Conquistae2
- Treatment
- biostimulante1
- Outcome
- detrimental effectse1
- Direction
- does not minimizee1
- Comparator
- desiccation with glyphosatee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“Applying biostimulant to soybean seeds improves seedling development compared with micronutrient treatments, although it does not minimize detrimental effects of desiccation with glyphosate”
e2“Seeds from soybean cultivar Conquista were produced with and without desiccation with glyphosate, at the dose 2.0 L ha -1 , applied at physiological maturity stage”
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