期刊
MICROORGANISMS
卷 10, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/microorganisms10040674
关键词
biofertilizer; seedling production; seedling vigor; plant growth promotion; bio-input
类别
资金
- Fundacao de Amparo a Pesquisa do Estado de Minas Gerais (FAPEMIG) [APQ-01842-17]
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES) [001]
- NOOA Ciencia e Tecnologia Agricola Ltda [012/2017]
This study evaluated the potential of Aspergillus niger as a growth promoter for vegetable seedlings. The results showed that regardless of the inoculation method and dose, seedlings inoculated with A. niger exhibited higher growth compared to uninoculated seedlings across all vegetable species.
This study evaluated the potential of Aspergillus niger as an inoculant for growth promotion of vegetable seedlings. Seven vegetable species were evaluated in independent experiments carried out in 2(2) + 1 factorial schemes, with two doses of conidia (10(2) and 10(6) per plant) applied in two inoculation methods (seed treatment and in-furrow granular application), plus an uninoculated control. Experiments were carried out in a greenhouse. Growth parameters evaluated were shoot length, stem diameter, root volume, total root length, shoot and root fresh mass, shoot and root dry mass, and total dry mass. Regardless of the dose and inoculation method, seedlings inoculated with A. niger showed higher growth than uninoculated ones for all crops. The highest relative increase promoted by the fungus was observed for aboveground parts, increasing the production of shoot fresh mass of lettuce (61%), kale (40%), scarlet eggplant (101%), watermelon (38%), melon (16%), pepper (92%), and tomato (42%). Aspergillus niger inoculation also increased seedling root growth of lettuce, pepper, scarlet eggplant, watermelon, and tomato. This research shows that A. niger boosts the growth of all analyzed vegetables, appearing as a promising bio-input for vegetable seedling production.
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