Abstract
ABSTRACT Nitrogen fertilization may interfere in the quality of soybean seeds. This study aimed to determine the physiological and sanitary quality of soybean seeds, in response to levels and times of nitrogen (N) application associated with Bradyrhizobium japonicum inoculation. Treatments were arranged in a randomized block design, in a 2 × 3 × 4 factorial arrangement [two soybean cultivars (BRS 1074 IPRO and ST 797 IPRO), three application times (sowing, 30 and 50 days after emergence) and four N levels (0 kg ha-1, 20 kg ha-1, 40 kg ha-1 and 60 kg ha-1), with four replicates. The 1,000-seed mass, moisture content, germination rate, seedling height, shoot length, primary root length, total seedling dry matter, electrical conductivity, mechanical damage, vigor and viability (tetrazolium test) and sanitary quality of the seeds were measured. The use of mineral N, associated with the inoculation of B. japonicum bacteria, does not prove to be consistent, in terms of its effects on the physiological quality of soybean seeds, although the incidence of pathogens may be reduced.
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Claims 2
Claim · model-written summary
Mineral nitrogen with Bradyrhizobium japonicum inoculation had inconsistent effects on soybean seed physiological quality.
- Taxon
- soybean
Glycine maxt0 - Treatment
- mineral N, associated with the inoculation of B. japonicum bacteriae0
- Interactor
- B. japonicum
Bradyrhizobium japonicume0symbiont - Outcome
- physiological quality of soybean seedse0
- Direction
- does not prove to be consistente0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean”
e0“The use of mineral N, associated with the inoculation of B. japonicum bacteria, does not prove to be consistent, in terms of its effects on the physiological quality of soybean seeds”
Claim · model-written summary
Mineral nitrogen with Bradyrhizobium japonicum inoculation may reduce pathogen incidence in soybean seeds.
- Taxon
- soybeanGlycine maxt0
- Treatment
- mineral N, associated with the inoculation of B. japonicum bacteriae0
- Interactor
- pathogense0pathogen
- Second interactor
- B. japonicumBradyrhizobium japonicume0symbiont
- Outcome
- incidence of pathogense0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“soybean”
e0“The use of mineral N, associated with the inoculation of B. japonicum bacteria, does not prove to be consistent, in terms of its effects on the physiological quality of soybean seeds, although the incidence of pathogens may be reduced”
The same questions in other papers
Bradyrhizobium japonicum · disease · Glycine max (soybean)Positive and negative results
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See all 127 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.