Corn seed inoculation with Azospirillum brasilense in different nitrogen fertilization management

Alves, Mauricio Vicente; Nesi, Cristiano Nunes; Naibo, Gabriela; Barreta, Matheus Henrique; Lazzari, Marcelo; Júnior, Ademir Fiorese; Skoronski, Éverton

doi:10.5039/agraria.v15i3a8100

Cited by 7 publications

(7 citation statements)

References 15 publications

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“…Sesame yields were not improved using A. brasilense. A. brasilense has been used in Brazil with corn as a seed treatment to improve N use and increase yield [28,29]. A. brasilense has resulted in an increase in corn growth and yield when combined with only half of the optimum rate of fertilizer N [28,29].…”

Section: Discussionmentioning

confidence: 99%

Sesame (Sesamum indicum L.) Response to Soil Additives Applied in-Furrow at Planting

Grichar

2024

JEAI

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Aims: Studies were conducted to study the response of sesame to soil additives applied in-furrow. Study Design: Randomized complete block with 4 replications. Place and Duration of Study: Field experiments were carried out during the 2016 through 2018 growing seasons in south-central Texas near Yoakum (29.27704o N, -97.12453o W). Methodology: Sesame seed was planted < 2.54 cm deep. Treatments were applied using a CO2-pressurized sprayer in 46.8 L ha-1 of water with one Teejet® orifice disc #45 nozzle per row immediately after seed drop but prior to furrow closure. Each plot consisted of two rows spaced 97 cm apart and 7.6 m long. Sprinkler irrigation was applied on a 2- to 3-wk schedule throughout the growing season as needed. S-metolachlor at 1.4 kg ha-1 was applied preemergence while clethodim at 0.11 kg ha-1 and diuron at 1.12 kg ha-1 were applied postemergence to control annual grasses and broadleaf weeds that were present. Results: In 2016, treatments containing 7% N + 10% chelated Fe, gibberellic acid + 3-indolebutyric acid (0.045%) + cytokinin as Kinetin (0.09%), and pop-up fertilizer (9-30-0 + Zn) resulted in the greatest sesame emergence. In 2017, 2% N, bifenthrin + Bacillus amyloliquefaciens strain D747, and humic acids + Bacillus spp. resulted in greater emergence (90-97%) while in 2018, Azospirillum brasilense and 2% N resulted in the greater emergence (90-91%). In 2016, 2% N produced the greatest yield while in 2018 2% N and the 3-way combination of cytokinin as kinetin (0.090%) + gibberellic acid + indole-3-butyric acid (0.045%) resulted in up to a 117% increase in yield over the untreated. Conclusion: The 3-way combination of gibberellic acid + 3-indolebutyric acid (0.045%) + cytokinin as kinetin (0.090%) and 2 % N proved to be the most consistent soil additives and resulted in a yield increases in the two years that the studies were harvested.

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Section: Discussionmentioning

confidence: 99%

Sesame (Sesamum indicum L.) Response to Soil Additives Applied in-Furrow at Planting

Grichar

2024

JEAI

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“…A. brasilense has been used on corn as a seed treatment in Brazil to improve N use and yield and resulted in increased corn growth and yield when combined with only half of the optimum rate of fertilizer N [17,18]. A meta-analysis of Azospirillum spp.…”

Section: Yieldmentioning

confidence: 99%

Using Biostimulants and Soil Additives to Improve Corn Yield in South Texas

Grichar¹,

Janak²,

Mcginty³

et al. 2023

Preprint

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Field studies were conducted in 2016, 2017, and 2020 in south-central and the Coastal Bend regions of Texas to determine the effects of various biostimulants and soil additives on corn growth and yield. In south-central Texas, the use of pop-up fertilizer (9-30-0 + Zn) either alone or in combination with either 2% N, bifenthrin, or bifenthrin + pyraclostrobin resulted in the greatest corn vigor but a yield response was only noted with pop-up fertilizer alone at 28062 or 46771 ml ha-1 in one year. In the Coastal Bend region, leaf tissue analysis showed that only Fe was affected with the use of any soil additive. Bacillus licheniformis + bacillus megaterium + bacillus pumilus increased Fe leaf tissue content by 20% over the untreated check. Radicoat seed coating at 438 ml ha-1 reduced corn plant stand by 10% and Pseudomonas brassicaceanum reduced corn height when compared with the untreated check; however, no differences in test weight or yield from the untreated check were noted with any soil additive. Little if any impacts of the use of biostimulants or soil amendments were seen in these studies.

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“…The projected grain production in Brazil for the 2022/23 crop season is 312.5 million tons, with corn contributing to approximately 40% of the total (Alves et al, 2020;Conab, 2023). The utilization of high-quality seeds, characterized by increased tolerance to adverse conditions, is essential for establishing a uniform crop field that yields high productivity.…”

Section: Introductionmentioning

confidence: 99%

Corn Seeds Stored Under Varying Storage Conditions

Capilheira,

Silva,

Pinto

et al. 2024

Eng. Agríc.

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The seed deterioration process during storage is inevitable, but it can be slowed down using packaging that reduces the influence of the external environment on stored corn seeds. Therefore, this study aimed to evaluate the physiological quality of corn seeds stored in different packages and subjected to storage conditions in the central region of Brazil. Thirty-seven corn genotypes were analyzed in three storage environments: multiwall paper, 10 °C temperature, and 40% relative air humidity; multiwall paper under uncontrolled conditions; and hermetic packaging under uncontrolled conditions. The results of germination, water content, electrical conductivity, accelerated aging, soilless cold test, and field emergence test were used. Physiological quality assessments indicated that storage under conditions of 10 °C temperature and 40% relative air humidity is more efficient in preserving corn seeds' physiological quality than packaging in an uncontrolled environment.

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Corn seed inoculation with Azospirillum brasilense in different nitrogen fertilization management

Cited by 7 publications

References 15 publications

Sesame (Sesamum indicum L.) Response to Soil Additives Applied in-Furrow at Planting

Sesame (Sesamum indicum L.) Response to Soil Additives Applied in-Furrow at Planting

Using Biostimulants and Soil Additives to Improve Corn Yield in South Texas

Corn Seeds Stored Under Varying Storage Conditions

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