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13 December 2023

Low-Environmental-Input Bioproducts for Potato Culture †

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1
Biotechnology Department, The National Institute of Chemistry and Petrochemistry R&D of Bucharest, 202 Splaiul Independentei, 6th District, 060021 Bucharest, Romania
2
Faculty of Biotechnology, The University of Agronomic Sciences and Vetrinary Medicine of Bucharest, 59 Blvd Marasti, 1th District, 011464 Bucharest, Romania
3
Ecotoxicology and Bioresources Lab, The Institute for Plant Protection R&D Bucharest, 8 Blvd. Ion Ionescu de la Brad 1th, 013813 Bucharest, Romania
*
Author to whom correspondence should be addressed.
Proceedings2023, 90(1), 30;https://doi.org/10.3390/proceedings2023090030
This article belongs to the Proceedings 19th International Symposium “Priorities of Chemistry for a Sustainable Development”
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Introduction: Rhizoctonia solani causes major damage to potato crops. An ecological option to combat the effects of this phytopathogenic agent consists of treating the seeds (tubers) with microbial bioproducts based on Bacillus sp., previously isolated from the rhizosphere of Solanum tuberosum [1,2,3,4,5].
Materials and methods: the tests were carried out in vitro on Rhizoctonia solani and in vivo on a Solanum tuberosum culture with bioproducts based on Bacillus sp., which contained 105 CFU.
Results and discussion: the tests carried out in vitro on Rhizoctonia solani with bioproducts based on Bacillus sp. showed that these bioproducts have the ability to inhibit the growth of this phytopathogen by about 80%. The tests carried out in vivo on two varieties of Solanum tuberosum, in which the microbial bioproducts were applied to the seeds (tubers), revealed that the presence of the studied bioproducts increased the potato plant resistance to this phytopathogen. The incidence of disease caused by this phytopathogen was reduced to about 20% in the treated potato plants compared to the untreated culture, where the incidence of disease can reach 87%. Another advantage of applying bioproducts based on Bacillus sp. is increasing the tuber production yield up to 40% compared to the untreated variants.
Conclusions: the obtaining and large-scale use of bioproducts based on Bacillus sp. in potato cultures represent an ecological and advantageous option due to their biocontrol and plant growth-promoting properties [6,7].

Author Contributions

Conceptualization: N.R. and R.Z.; writing—original draft preparation, N.R., M.C. and M.D.; writing—review and editing, R.Z. and N.R.; visualization, R.Z.; supervision, N.R. and R.Z.; project administration, N.R. and C.M. All authors have read and agreed to the published version of the manuscript.

Funding

This work was carried out through the PN 23.06 Core Program—ChemNewDeal within the National Plan for Research, Development and Innovation 2022–2027, developed with the support of the Ministry of Research, Innovation, and Digitization, project no. PN 23.06.01.01 (AQUAMAT). Also, this research was funded by ADER project no 5.1.6/17.07.2023.

Institutional Review Board Statement

Not applicable.

Data Availability Statement

Data are contained within this work.

Conflicts of Interest

The authors declare no conflict of interest.

References

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