Azospirillum brasilense inoculation efficiency associated with rooting growth and production of lettuce
Journal Title: Revista Verde de Agroecologia e Desenvolvimento Sustentável - Year 2017, Vol 12, Issue 2
Abstract
In the survey evaluated the effect of Azospirillum brasilense (AzBr) inoculated with and without rooting, on growth, biomass production and lettuce pest resistance, cultivar Lucy Brown. The experiment was conducted in a greenhouse in plastic bags with 8.0 L capacity in the spacing, 40 x 20 cm. The experimental followed a design randomized blocks in a factorial scheme (2x3) +1, the first factor, Azospirillum with and without rooting growth and second fator, levels of nitrogen in coverage, 0%, 50% and 100% of fertilizer recommendation and a control with conventional fertilization, with four replications. At mean doses of 50% N in coverage, both AzBr and the AzBr plus rooting association showed a significant increase in fresh shoot and root mass of 19.36% and 23.66%, respectively, in relation to maximum dose of N and the control. The shoot dry mass did not differ significantly in the different treatments, although it has shown a small increase with increasing doses of N. The dry root mass decreased 29.24% in the treatment with 100% N, when compared to treatment without nitrogen cover more AzBr. The final plant stand was significantly higher in the treatment in wich N was not applied in coverage, especially inoculation with AzBr, mean of 96.98% of established plants, against 51.56% in conventional control, observing that average dose of N, there was a greater tolerance of plants to symptoms of leaf mining and the viruses of Tospovirus Group.
Authors and Affiliations
Antonio Anicete de Lima, Luciano dos Reis Venturoso, Bruno Antonio Azevedo Silva, Osvino Schimid, Aniquely Ferreira Gomes
Keywords
Related Articles
- EP ID EP253630
- DOI 10.18378/rvads.v12i2.4300
- Views 112
- Downloads 0
Pricing to equate environmental sanitation services, in the city of Sousa, in the State of Paraíba, Brazil
The objective of this work was to propose a method to calculate and equate the tariffs for the environmental sanitation services of the Department of Water, Sewage and Environmental Sanitation (DAESA) of the city of Sous...
Production of soursop seedlings under methods of overcoming dormancy and doses of manure
The objective of this study was to evaluate the effect of different methods of overcoming dormancy and doses of manure in seeds and soursop (Annona muricata L.) seedlings. The work was developed in a greenhouse at the CC...
Bioactive compounds of fresh and dehydrated green pepper
Capsicum annuum L., belongs to the Solanaceae family, which contains approximately 31 species. Bioactive compounds also known as phytochemicals are chemical and biochemical components that are present in most fruits and...
The traditional knowledge about melitophile plants in rural communities in the city of Sigefredo Pacheco, Piauí
The knowledge about plants with melitophile potential is highlighted in the research field, this way; these pieces of information are collected in the rural areas. Thus, ethnobotany, which studies the relation between hu...
Natural regeneration of Anadenanthera colubrina (Vell.) Brenan Fabaceae in Altitude Swamp in the county of Bananeiras, Paraíba, Brazil
The Atlantic Forest is currently the most threatened biome due to various anthropogenic pressures. The destruction of habitats linked to fragmentation causes serious consequences for any type of vegetation, especially in...