Abstract
ABSTRACT One of the bottlenecks for maize (Zea mays L.) production is the need for a large supply of nitrogen fertilizers, which burdens farmers. A solution to this problem is the use of proteobacteria Azospirillum brasilense as an inoculant. However, experimental results regarding this inoculant vary depending, for instance, on the soil cultivation practices used. The objective of this study was to evaluate the influence of inoculation with Azospirillum brasilense on morphophysiological characters and yield characteristics of three maize genotypes in two off-season cultivated in no-tillage system (NT). Fallow soil (FS) was used as control. The results showed that soil cultivation had a significant effect on morphophysiological and productivity parameters compared to inoculation with Azospirillum brasilense. There were no distinct morphophysiological differences among the treatments. FS (inoculated or not) was more closely related to productivity parameters (grain yield-YI, weight of 100 seeds-100SW, plant height-PH and number of leaves-NL) than NT in both off-seasons. Among the hybrids, Dekalb 255 PRO3 (DKB 255) showed the highest YI and 100SW. Thus, this hybrid was considered well-adapted to off-seasons in western Paraná, Brazil. The inoculation effect was practically null and did not influence the estimated productivity of the different chosen hybrids.
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Claims 6
Claim · model-written summary
Soil cultivation significantly affected maize morphophysiological and productivity parameters more than inoculation.
- Treatment
- soil cultivatione0
- Interactor
- Azospirillum brasilense
Azospirillum brasilensee0symbiont - Outcome
- morphophysiological and productivity parameterse0
- Comparator
- inoculation with Azospirillum brasilensee0
Zea maysNot reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“soil cultivation had a significant effect on morphophysiological and productivity parameters compared to inoculation with Azospirillum brasilense”
t0“maize genotypes”
Claim · model-written summary
Morphophysiological traits showed no distinct differences among treatments.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There were no distinct morphophysiological differences among the treatments.”
t0“maize genotypes”
Claim · model-written summary
Fallow soil was more closely related to productivity parameters than no tillage in both off seasons.
- Treatment
- FS (inoculated or not)e0
- Outcome
- productivity parameterse0
- Direction
- more closely relatede0
- Qualifier
- in both off-seasonse0
- Comparator
- NTe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“FS (inoculated or not) was more closely related to productivity parameters (grain yield-YI, weight of 100 seeds-100SW, plant height-PH and number of leaves-NL) than NT in both off-seasons.”
t0“maize genotypes”
Claim · model-written summary
Dekalb 255 PRO3 had the highest grain yield and 100 seed weight among hybrids.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Among the hybrids, Dekalb 255 PRO3 (DKB 255) showed the highest YI and 100SW.”
t0“maize genotypes”
Claim · model-written summary
Dekalb 255 PRO3 was considered well adapted to the off seasons in western Paraná.
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“this hybrid was considered well-adapted to off-seasons in western Paraná, Brazil.”
t0“maize genotypes”
Claim · model-written summary
Inoculation had practically no effect on estimated productivity of the hybrids.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inoculation effect was practically null and did not influence the estimated productivity of the different chosen hybrids.”
t0“maize genotypes”
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inoculation · yield · Zea mays (maize)Positive and negative results
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