Biological and chemical characterization in relation to the yield of radish (Raphanus sativus L.) nourished with humus from plant residues
The objective was to determine the appropriate dose of humus to obtain greater yield and its relationship with the chemical and biological characteristics of the radish. It is based on applied methodology with an experimental approach; Therefore, the Completely Random Block Design model was used, which consisted of 3 blocks and 5 treatments that were T1 with 0, T2 with 4, T3 with 6, T4 with 8 and T5 with 10 t/ha of humus and They applied 15 days after sowing. The physical characteristics of the radish were evaluated and processed using analysis of variance and Duncan. Concentration of elements in leaves and stomatal densit...
Source: Braz J Biol - April 24, 2024 Category: Biology Authors: D D Cruz Nieto N E Muguruza Crispin C M Caira Mamani H J Castro Bartolom é M A Inga Sotelo M N M Alberto A S Valderrama Romero V C Vargas Godoy J M More L ópez H E Chanducas Tantale án N E Menacho Javier M A Lara Castillo W Flores Casanova E R Benavent Source Type: research
The physiological quality of Vigna unguiculata L. seeds shows tolerance to salinity
The objective was to for a identify variety that is tolerant to salinity considering the physiological quality of seeds and seedling growth. A 2 × 4 factorial scheme was used, referring to the varieties Pingo-de-ouro and Coruja, and four electrical conductivities of water (0; 3.3; 6.6 and 9.9 dS m-1). The physiological quality of seeds and the growth of seedlings were analyzed, in addition to the cumulative germination. The Pingo-de-ouro variety showed no germination, length of the shoot and root, dry mass of the shoot and root compromised up to electrical conductivity of 6 dS m-1 in relation to 0.0 dS m-1. On the other h...
Source: Braz J Biol - April 17, 2024 Category: Biology Authors: F H A Andrade R T Silva M A Barbosa Neto S F Silva A F L Cardoso J S Lima J H B Silva A F S Cruz M I B Clemente E A Onias W E Pereira J T L Chaves S G S Borges A M F Oliveira P C A Linhares R R Silva Source Type: research
The physiological quality of Vigna unguiculata L. seeds shows tolerance to salinity
The objective was to for a identify variety that is tolerant to salinity considering the physiological quality of seeds and seedling growth. A 2 × 4 factorial scheme was used, referring to the varieties Pingo-de-ouro and Coruja, and four electrical conductivities of water (0; 3.3; 6.6 and 9.9 dS m-1). The physiological quality of seeds and the growth of seedlings were analyzed, in addition to the cumulative germination. The Pingo-de-ouro variety showed no germination, length of the shoot and root, dry mass of the shoot and root compromised up to electrical conductivity of 6 dS m-1 in relation to 0.0 dS m-1. On the other h...
Source: Braz J Biol - April 17, 2024 Category: Biology Authors: F H A Andrade R T Silva M A Barbosa Neto S F Silva A F L Cardoso J S Lima J H B Silva A F S Cruz M I B Clemente E A Onias W E Pereira J T L Chaves S G S Borges A M F Oliveira P C A Linhares R R Silva Source Type: research
The effect of urbanization on species composition and trophic guilds of bats (Mammalia, Chiroptera) in the Brazilian Savanna
Braz J Biol. 2024 Apr 8;84:e275828. doi: 10.1590/1519-6984.275828. eCollection 2024.ABSTRACTUrban environments present less environmental heterogeneity in relation to the natural ones, affecting the biodiversity of bats and the ecological processes in which they participate. In this way, we will identify how urbanization influences the structure of bat communities in the municipality of Goiânia, Goiás, Brazil. We compared species composition, guilds and bat richness in a gradient that crossed urban, semi-urban and natural areas in the municipality of Goiânia, contained in the Cerrado biome. We captured a total of 775 ba...
Source: Braz J Biol - April 10, 2024 Category: Biology Authors: A B Alencastre-Santos R Gon çalves L L Correia D Brito M Oprea T B Vieira Source Type: research
Acute toxicity of total ammonia to Macrobrachium rosenbergii postlarvae at different salinity levels
Braz J Biol. 2024 Apr 8;84:e276323. doi: 10.1590/1519-6984.276323. eCollection 2024.ABSTRACTNitrogen compounds, particularly ammonium, nitrite and nitrate, are a major problem in shrimp production systems. These compounds can accumulate in the aquatic environment and reach harmful or even lethal levels. Thus, monitoring the levels of nitrogenous compounds such as ammonia and studying their effects on the animals are essential. One tool used for this purpose is acute toxicity testing based on the evaluation of LC50 values. Furthermore, tools that can help improve the performance of aquatic organisms in culture are needed. T...
Source: Braz J Biol - April 10, 2024 Category: Biology Authors: J H S Motta L C Santos F M Dutra A B Souza M F Polese L S Gl ória A P Oliveira E L C Ballester Source Type: research
Sugarcane productivity and economic viability in response to planting density
Braz J Biol. 2024 Apr 5;84:e279536. doi: 10.1590/1519-6984.279536. eCollection 2024.ABSTRACTPlanting with higher density in sugarcane is one of the practices used to overcome low productivity. However, this planting material is equivalent to 25% of the total cost of production, being one of the main expenses for cultivation. In this sense, the present work aims to evaluate the productivity and economic viability of sugarcane as a function of planting density. The experiment was carried out at Usina Monte Alegre in the municipality of Mamanguape, Paraíba, Brazil, from March 2021 to January 2022 with the variety RB92579. Se...
Source: Braz J Biol - April 10, 2024 Category: Biology Authors: L J M Almeida A V Silva J S L Silva J F Silva J H B Silva F Pereira Neto M A Borba S S C Barreto H A Rodrigues V F O Sousa W E Pereira A S Lopes F Mielezrski Source Type: research
The effect of urbanization on species composition and trophic guilds of bats (Mammalia, Chiroptera) in the Brazilian Savanna
Braz J Biol. 2024 Apr 8;84:e275828. doi: 10.1590/1519-6984.275828. eCollection 2024.ABSTRACTUrban environments present less environmental heterogeneity in relation to the natural ones, affecting the biodiversity of bats and the ecological processes in which they participate. In this way, we will identify how urbanization influences the structure of bat communities in the municipality of Goiânia, Goiás, Brazil. We compared species composition, guilds and bat richness in a gradient that crossed urban, semi-urban and natural areas in the municipality of Goiânia, contained in the Cerrado biome. We captured a total of 775 ba...
Source: Braz J Biol - April 10, 2024 Category: Biology Authors: A B Alencastre-Santos R Gon çalves L L Correia D Brito M Oprea T B Vieira Source Type: research
Acute toxicity of total ammonia to Macrobrachium rosenbergii postlarvae at different salinity levels
Braz J Biol. 2024 Apr 8;84:e276323. doi: 10.1590/1519-6984.276323. eCollection 2024.ABSTRACTNitrogen compounds, particularly ammonium, nitrite and nitrate, are a major problem in shrimp production systems. These compounds can accumulate in the aquatic environment and reach harmful or even lethal levels. Thus, monitoring the levels of nitrogenous compounds such as ammonia and studying their effects on the animals are essential. One tool used for this purpose is acute toxicity testing based on the evaluation of LC50 values. Furthermore, tools that can help improve the performance of aquatic organisms in culture are needed. T...
Source: Braz J Biol - April 10, 2024 Category: Biology Authors: J H S Motta L C Santos F M Dutra A B Souza M F Polese L S Gl ória A P Oliveira E L C Ballester Source Type: research
Sugarcane productivity and economic viability in response to planting density
Braz J Biol. 2024 Apr 5;84:e279536. doi: 10.1590/1519-6984.279536. eCollection 2024.ABSTRACTPlanting with higher density in sugarcane is one of the practices used to overcome low productivity. However, this planting material is equivalent to 25% of the total cost of production, being one of the main expenses for cultivation. In this sense, the present work aims to evaluate the productivity and economic viability of sugarcane as a function of planting density. The experiment was carried out at Usina Monte Alegre in the municipality of Mamanguape, Paraíba, Brazil, from March 2021 to January 2022 with the variety RB92579. Se...
Source: Braz J Biol - April 10, 2024 Category: Biology Authors: L J M Almeida A V Silva J S L Silva J F Silva J H B Silva F Pereira Neto M A Borba S S C Barreto H A Rodrigues V F O Sousa W E Pereira A S Lopes F Mielezrski Source Type: research
The effect of urbanization on species composition and trophic guilds of bats (Mammalia, Chiroptera) in the Brazilian Savanna
Braz J Biol. 2024 Apr 8;84:e275828. doi: 10.1590/1519-6984.275828. eCollection 2024.ABSTRACTUrban environments present less environmental heterogeneity in relation to the natural ones, affecting the biodiversity of bats and the ecological processes in which they participate. In this way, we will identify how urbanization influences the structure of bat communities in the municipality of Goiânia, Goiás, Brazil. We compared species composition, guilds and bat richness in a gradient that crossed urban, semi-urban and natural areas in the municipality of Goiânia, contained in the Cerrado biome. We captured a total of 775 ba...
Source: Braz J Biol - April 10, 2024 Category: Biology Authors: A B Alencastre-Santos R Gon çalves L L Correia D Brito M Oprea T B Vieira Source Type: research
Acute toxicity of total ammonia to Macrobrachium rosenbergii postlarvae at different salinity levels
Braz J Biol. 2024 Apr 8;84:e276323. doi: 10.1590/1519-6984.276323. eCollection 2024.ABSTRACTNitrogen compounds, particularly ammonium, nitrite and nitrate, are a major problem in shrimp production systems. These compounds can accumulate in the aquatic environment and reach harmful or even lethal levels. Thus, monitoring the levels of nitrogenous compounds such as ammonia and studying their effects on the animals are essential. One tool used for this purpose is acute toxicity testing based on the evaluation of LC50 values. Furthermore, tools that can help improve the performance of aquatic organisms in culture are needed. T...
Source: Braz J Biol - April 10, 2024 Category: Biology Authors: J H S Motta L C Santos F M Dutra A B Souza M F Polese L S Gl ória A P Oliveira E L C Ballester Source Type: research
Sugarcane productivity and economic viability in response to planting density
Braz J Biol. 2024 Apr 5;84:e279536. doi: 10.1590/1519-6984.279536. eCollection 2024.ABSTRACTPlanting with higher density in sugarcane is one of the practices used to overcome low productivity. However, this planting material is equivalent to 25% of the total cost of production, being one of the main expenses for cultivation. In this sense, the present work aims to evaluate the productivity and economic viability of sugarcane as a function of planting density. The experiment was carried out at Usina Monte Alegre in the municipality of Mamanguape, Paraíba, Brazil, from March 2021 to January 2022 with the variety RB92579. Se...
Source: Braz J Biol - April 10, 2024 Category: Biology Authors: L J M Almeida A V Silva J S L Silva J F Silva J H B Silva F Pereira Neto M A Borba S S C Barreto H A Rodrigues V F O Sousa W E Pereira A S Lopes F Mielezrski Source Type: research
The effect of urbanization on species composition and trophic guilds of bats (Mammalia, Chiroptera) in the Brazilian Savanna
Braz J Biol. 2024 Apr 8;84:e275828. doi: 10.1590/1519-6984.275828. eCollection 2024.ABSTRACTUrban environments present less environmental heterogeneity in relation to the natural ones, affecting the biodiversity of bats and the ecological processes in which they participate. In this way, we will identify how urbanization influences the structure of bat communities in the municipality of Goiânia, Goiás, Brazil. We compared species composition, guilds and bat richness in a gradient that crossed urban, semi-urban and natural areas in the municipality of Goiânia, contained in the Cerrado biome. We captured a total of 775 ba...
Source: Braz J Biol - April 10, 2024 Category: Biology Authors: A B Alencastre-Santos R Gon çalves L L Correia D Brito M Oprea T B Vieira Source Type: research
Acute toxicity of total ammonia to Macrobrachium rosenbergii postlarvae at different salinity levels
Braz J Biol. 2024 Apr 8;84:e276323. doi: 10.1590/1519-6984.276323. eCollection 2024.ABSTRACTNitrogen compounds, particularly ammonium, nitrite and nitrate, are a major problem in shrimp production systems. These compounds can accumulate in the aquatic environment and reach harmful or even lethal levels. Thus, monitoring the levels of nitrogenous compounds such as ammonia and studying their effects on the animals are essential. One tool used for this purpose is acute toxicity testing based on the evaluation of LC50 values. Furthermore, tools that can help improve the performance of aquatic organisms in culture are needed. T...
Source: Braz J Biol - April 10, 2024 Category: Biology Authors: J H S Motta L C Santos F M Dutra A B Souza M F Polese L S Gl ória A P Oliveira E L C Ballester Source Type: research
Sugarcane productivity and economic viability in response to planting density
Braz J Biol. 2024 Apr 5;84:e279536. doi: 10.1590/1519-6984.279536. eCollection 2024.ABSTRACTPlanting with higher density in sugarcane is one of the practices used to overcome low productivity. However, this planting material is equivalent to 25% of the total cost of production, being one of the main expenses for cultivation. In this sense, the present work aims to evaluate the productivity and economic viability of sugarcane as a function of planting density. The experiment was carried out at Usina Monte Alegre in the municipality of Mamanguape, Paraíba, Brazil, from March 2021 to January 2022 with the variety RB92579. Se...
Source: Braz J Biol - April 10, 2024 Category: Biology Authors: L J M Almeida A V Silva J S L Silva J F Silva J H B Silva F Pereira Neto M A Borba S S C Barreto H A Rodrigues V F O Sousa W E Pereira A S Lopes F Mielezrski Source Type: research
