Microbiolization in seed quality and initial growth of Vigna unguiculata L. Walp plants

• Autor(a) principal: Ferreira de Sá, Mylenna Nádja
• Data de Publicação: 2019
• Outros Autores: Lima, Jéssica Souza, de Jesus, Fábio Nascimento, Perez, Jane Oliveira
• Tipo de documento: Artigo
• Idioma: por
• Título da fonte: Acta Brasiliensis (Online)
• Texto Completo: http://revistas.ufcg.edu.br/ActaBra/index.php/actabra/article/view/176

Vigna unguiculata L Walp (cowpea bean) has great importance as a source of food and as a generator of employment and income for the brazilian rural population. Seed treatment through microbiolization, is beneficial in seed germination, seedling emergence and development, and grain production. The objective of this work was to evaluate the effect of microbiolization on seed germination and sanity, as well as the initial growth of Vigna unguiculata BRS Pujante plants. The organisms used in the microbiolization of the seeds were Bacillus subtilis (LCB30), Bacillus subtilis (LCB45), Bacillus sp. (BMH), Bacillus sp. (INV) and Trichoderma sp. The percentage of germination, the growth of the radicle and the incidence of fungi in the microbiolized seeds were evaluated. The same microorganisms were used for microbiolization in the nursery test. Fresh mass of the aerial part (MFPA), root (MFR), shoot dry mass (MSPA) and root (MSR), and nodule count (NN) were analyzed after 51 days of plant growth. For the analyzes, the DIC was used, with 4 replicates for germination test, and 10 replicates for greenhouse testing. All treatments provided an increase in germination of V. unguiculata BRS Pujante seeds, except for INV, with only 81% of germinated seeds. However, in the sanitary analysis, all microbiolized seeds reduced the incidence of fungi. The microbiolization of the seeds with the different microorganisms was not efficient in the nodulation of the plants. The LCB 30 isolate promoted a significant increase in MSPA and MSR of V. unguiculata plants.