Acclimatization of Musa spp. seedlings using endophytic Bacillus spp. and Buttiauxella agrestis strains
2021
Araújo, Ronilson Carlos de | Rodrigues, Filipe Almendagna | Nadal, Michele Carla | Ribeiro, Mariana de Souza | Antônio, Carla Aparecida Carvalho | Rodrigues, Vantuil Antônio | Souza, Angélica Cristina de | Pasqual, Moacir | Dória, Joyce
The association of different species of endophytic bacteria with the rhizosphere of the host plants can stimulate growth, development and acclimatization, offering a greater quantity of seedlings, in addition to reducing the cycle, providing economic return to the producer. The objective of this study was to evaluate the effect of introduction four bacterial isolates through inoculation into the root system in three banana cultivars (Prata Anã, Grande Naine and BRS Princesa) in the acclimatization phase. The evaluated treatments were: control (nutrient broth without bacteria); Bacillus cereus strain 1 (BC1); Bacillus cereus strain 2 (BC2); Bacillus thuringiensis (BT); Buttiauxella agrestis (BA). The morphological characteristics related to the development of the plants (total height and pseudostem diameter) were evaluated throughout the acclimatization period. After 90 days of transplanting and acclimatization, root length, leaf number, dry root weight, pseudostem and leaf, leaf area, internal carbon concentration, stomatal conductance, photosynthesis rate, transpiration rate, leaf temperature and chlorophyll were evaluated.
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