April 2019
Vegetation cover affects rhizobia-tree legume symbiosis in the semi-arid region of Brazil
Biological nitrogen fixation (BNF) is the main form of introducing nitrogen into systems with low fertilizer input, which prevail in the semi-arid region of Brazil. BNF was evaluated in leucena and sabiá grown in samples of a soil collected under different vegetation cover: native vegetation; capoeira (area abandoned for the restoration); agricultural use; sabiá grove; and leucena grove. Nodulation was...
April 2019
Stakeholders’ perception of weaver ant’s effects on mango fruits quality in Benin
Weaver ant (Oecophylla longinonda) used in biological control of pest, is said to improve the organoleptic quality of protected fruits. This study aims at bringing out stakeholders’ perception of weaver ants effect on mango quality. A survey was performed in Parakou (Benin), with stakeholders to assess their perception of mango quality and their opinion about weaver ant’s effect on mango quality. Then, the...
April 2019
Prediction of genetic gain using selection indices in maize lines
Maize is an important cereal crop in scientific research area and the world economy, where Brazil is one of the leading producers. High production and productivity are partly due to plant breeding programs, where the selection of superior genotypes is based on indexes. This strategy has been very efficient o obtaining superior genotypes since there are simultaneous gains for various agronomic and economic characters....
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