Seed-Encapsulation of Desiccation-Tolerant Microorganisms for the Protection of Maize from Drought: Phenotyping Effects of a New Dry Bioformulation
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Desiccation-tolerant microorganismsBiofertilizer formulationCapsuled seedsDrought toleranceCrops enhancementPlant growth-promoting bacteria
Rebelo Romão, I... [et al.]. Seed-Encapsulation of Desiccation-Tolerant Microorganisms for the Protection of Maize from Drought: Phenotyping Effects of a New Dry Bioformulation. Plants 2022, 11, 1024. [https://doi.org/10.3390/plants11081024]
SponsorshipSpanish Government; European Commission P18-RT-976; Andalusian Regional Government
Droughts and high temperatures deeply affect crop production. The use of desiccationtolerant (or xerotolerant) microorganisms able to protect plants from droughts represents a promising alternative. These xerotolerant microorganisms have previously been used to modulate plant responses and improve their tolerance to drought. In addition, these microorganisms could be stored and used in dry formats, which would improve their viability and resilience at a much lower cost than current market alternatives. In the present study we analyze the possibility of using strains of xerotolerant Actinobacteria in encapsulated format on seeds. Under this formulation, we carried out greenhouse with farming soil with maize plants. Under greenhouse conditions, the plants showed greater resistance to drought, as well as increased growth and production yield, but not as well in field trials. This alternative could represent a useful tool to improve water efficiency in crops for drought-affected areas or affected by water scarcity.