Pseudozyma aphidis Enhances Cucumber and Tomato Plant Growth and Yield
2022
Idan Shoam | Claudia E. Calderon | Maggie Levy
The need to supply food for a growing world population, while protecting the environment by using sustainable agriculture, presents a major challenge, in terms of decreasing the use of chemical fertilizers and pesticides. The application of Pseudozyma aphidis cells onto crop plants considerably reduced infection by several pathogens, as well as significantly enhancing plant growth and yield. It was demonstrated in the current work that P. aphidis can enhance cucumber and tomato growth, both in vitro and in the greenhouse. P. aphidis was active when applied either via spray treatment or by seed coating. A significant promotion effect of P. aphidis on tomato and cucumber growth, flowering, and tomato yield and ripening, as compared to control plants, was demonstrated. Specifically, a 10&ndash:30% increase in tomato and cucumber plant height and leaf number, a 45% increase in average fruit weight, a 120% increase in tomato fruit ripening, and a flowering time advanced by two weeks were demonstrated. In conclusion, P. aphidis can significantly enhance the growth and yield of crop plants and can, thus, be used as bio-fertilizer.
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