Evaluation of some techniques for drying conidiated rice culture of the entomopathogenic fungus Beauveria bassiana (Bals.) Vuill. with a bioassay evaluating their eligibility

Author:

Bakr Ehab MostafaORCID,Hassan Dalia Mohamed Ahmed,Haron Entesar Nahed

Abstract

Abstract Background Production of entomopathogenic fungi on a solid substrate, mostly on rice, is preferred by many producers due to its low technological requirements. Drying may be needed after fermentation to preserve the viability of the conidia until use. This study aimed to introduce some uncomplicated drying techniques and study their effectiveness in terms of drying time and extent, as well as their impact on the quantity of conidia produced and their biological activity. Four techniques were studied, i.e., condensing water vapor (by cooling), desiccant (using NaOH), air drying on a net, and air drying on a solid (impermeable) surface. Results Condensing water vapor and desiccant techniques were the fastest and most efficient, resulting in the lowest moisture content, ranging between 12 and 13%. While drying on a solid surface was the slowest and resulted in the highest moisture content of 32.98%. All of the dried samples yielded a lower quantity of conidia compared to the fresh samples. Samples of condensing water vapor, desiccant, and net techniques yielded approximately a similar quantity of conidia, ranging between 74 and 71% of the yield of the fresh sample. The solid surface sample yielded the lowest quantity of conidia, representing 63.78% of the fresh sample yield. A bioassay test on the mite, Tetranychus urticae Koch (Acari: Tetranychidae), showed that conidia dried via condensing water vapor and desiccant techniques kept their pathogenicity similar to the fresh sample, while samples dried on a net and solid surface significantly lost part of their pathogenicity. Conclusion The condensing water vapor and desiccant techniques were the most efficient regarding the time needed, conidia yield, and pathogenicity. Drying on a solid surface was the least effective regarding the same factors.

Publisher

Springer Science and Business Media LLC

Reference11 articles.

1. Abbott WS (1925) A method of computing the effectiveness of an insecticide. J Econ Entomol 18(2):265–267. https://doi.org/10.1093/jee/18.2.265a

2. Ali SS, Haron ENS, Ahmed MA, Abas AA, Elshaier ME (2020) Isolation of entomopathogenic fungi and efficacy as a biological control agent on red spider mite Tetranychus urticae (Acari: Tetranychidae). Egypt J Plant Prot Res Inst 3(2):761–770

3. Daniels A, Maharaj G, Ram M, Lakenarine R (2023) Biological control methods for agricultural mites: a review. Agric Rev 44(1):12–21. https://doi.org/10.18805/ag.RF-247

4. Latifian M, Rad B, Amani M, Rahkhodaei E (2013) Mass production of entomopathogenic fungi Beauveria bassiana (Balsamo) by using agricultural products based on liquid-solid diphasic method for date palm pest control. Int J Agri Crop Sci 5(19):2337–2341

5. Mascarin GM, Jaronski ST (2016) The production and uses of Beauveria bassiana as a microbial insecticide. World J Microbiol Biotechnol 32:1–26. https://doi.org/10.1007/s11274-016-2131-3

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