Development of a Solid Bioherbicide Formulation by Spray Drying Technology

Almeida, Thiago Castro de; Spannemberg, Stéfani S.; Brun, Thiarles; Schmaltz, Silvana; Escobar, Otávio; Sanchotene, Danie Martini; Dornelles, Sylvio Henrique Bidel; Zabot, Giovani L.; Tres, Marcus V.; Kuhn, Raquel C.; Mazutti, Márcio A.

doi:10.3390/agriculture10060215

Cited by 8 publications

(5 citation statements)

References 37 publications

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“…(teleomorph of the genus Phomopsis ) belongs to the phylum Ascomycota and presents asexual stages, leading to difficulty in identifying members of this genus at the species level. Numerous studies and reports on the species in this genus, which has enormous biotechnological potential, have been published 28 . It has already been described as a producer of enzymes and secondary metabolites 29 with antibacterial 30 , 31 and antifungal 32 , 33 properties as well as in the phytotoxicity for weeds control 34 – 37 .…”

Section: Resultsmentioning

confidence: 99%

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Physiological mechanism of action and partial separation of herbicide–active compounds from the Diaporthe sp. extract on Amaranthus tricolor L.

Manichart,

Laosinwattana,

Somala

et al. 2023

Sci Rep

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Thirteen fungi that produce compounds with herbicidal activities were isolated, identified, and extracted under the assumption that the mechanism of action occurs during seed exposure to the extract. The extracts from all the fungal strains considerably decreased the growth parameters of Amaranthus tricolor L. The EC010 strain extracts showed the greatest effect. Through ITS region gene sequencing methods, the isolated EC010 was identified as a genus of Diaporthe. The results showed a significant (p < 0.05) inhibitory effect of 91.25% on germination and a decrease in shoot and root length by 91.28% and 95.30%, respectively. The mycelium of Diaporthe sp. was extracted using sequential extraction techniques for the partial separation of the herbicidal fraction. According to the bioassay activities, the EtOAc fraction showed the highest inhibitory activity. The osmotic stress of the A. tricolor seeds was studied. Although the extract increased the accumulation of proline and soluble protein, the treated seeds showed lower imbibition. While the activity of α-amylase was dramatically decreased after treatment. A cytogenetic assay in the treated Allium cepa L. root revealed a decrease in the mitotic index, an altered mitotic phase index, and a promotion of mitotic abnormalities. Accordingly, the Diaporthe sp. may serve as a potential herbicidal compound resource.

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Section: Resultsmentioning

confidence: 99%

“…For instance, phomentrioloxin B induces little necrotic spots on several plant species, and gulypyrone A causes a leaf necrosis symptom on Helianthus annuus 40 . In addition, Almeida, et al 28 investigated the toxicity of the solid bioherbicide formulation developed by Diaporthe sp. on test plants of lettuce ( Lactuca sativa ).…”

Section: Resultsmentioning

confidence: 99%

Physiological mechanism of action and partial separation of herbicide–active compounds from the Diaporthe sp. extract on Amaranthus tricolor L.

Manichart,

Laosinwattana,

Somala

et al. 2023

Sci Rep

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“…Solid formulation of culture fluid Diaporthe sp. obtained by spray drying was prepared with adjuvant AgRho FKC, which is known as a glyphosate activator, and silicon dioxide as a filler [ 191 ]. Inuloxin ( 23 ) encapsulated in cyclodextrin retained high activity against Phelipanche ramosa (L.) Pomel weed [ 192 ].…”

Section: Perspectives Of Natural Compounds As Biorational Herbicidesmentioning

confidence: 99%

Modern Approaches for the Development of New Herbicides Based on Natural Compounds

Berestetskiy

2023

Plants

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Weeds are a permanent component of anthropogenic ecosystems. They require strict control to avoid the accumulation of their long-lasting seeds in the soil. With high crop infestation, many elements of crop production technologies (fertilization, productive varieties, growth stimulators, etc.) turn out to be practically meaningless due to high yield losses. Intensive use of chemical herbicides (CHs) has led to undesirable consequences: contamination of soil and wastewater, accumulation of their residues in the crop, and the emergence of CH-resistant populations of weeds. In this regard, the development of environmentally friendly CHs with new mechanisms of action is relevant. The natural phytotoxins of plant or microbial origin may be explored directly in herbicidal formulations (biorational CHs) or indirectly as scaffolds for nature-derived CHs. This review considers (1) the main current trends in the development of CHs that may be important for the enhancement of biorational herbicides; (2) the advances in the development and practical application of natural compounds for weed control; (3) the use of phytotoxins as prototypes of synthetic herbicides. Some modern approaches, such as computational methods of virtual screening and design of herbicidal molecules, development of modern formulations, and determination of molecular targets, are stressed as crucial to make the exploration of natural compounds more effective.

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“…Твердая препаративная форма культуральной жидкости Diaporthe sp. была получена при помощи распылительной сушки с использованием адъюванта AgRho FKC, являющегося активатором глифосата, и диоксида кремния в качестве наполнителя (de Almeida et al, 2020). Инкапсулированный в циклодекстрин инулоксин сохранил высокую активность в отношении заразихи P. ramosa (Moeini et al, 2019).…”

Section: возможности использования природных соединений в качестве би...unclassified

Prospects for the development of new herbicides based on natural compounds

Berestetskiy

2023

1727-1320

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Growing most major crops currently involves the use of chemical herbicides to control weeds. However, their regular use can lead to such undesirable consequences as contamination of soil and groundwater, accumulation of their residues in the crop, and the emergence of resistant populations of weeds. Therefore, developing of eco-friendly herbicides with new mechanisms of action is necessary. Natural phytotoxins of plant or microbial origin can serve as prototypes for active ingredients of chemical herbicides. This review considers: 1) the main modern trends in the development of chemical herbicides; 2) practical achievements in the use of natural compounds for weed control; 3) the use of phytotoxins as the basic components of synthetic herbicides. Analysis of the existing literature allowed us to identify some important approaches for the development of nature-derived herbicides: 1) the combination of virtual screening of libraries of natural compounds with high-throughput screening of selected substances in vitro and in vivo; 2) computer modelling and optimization of molecules using physico-chemical predictors and molecular docking; 3) development of new adjuvants and formulations, in particular on nanoscale, to reduce the application rates of active substances and the risks of their accumulation in the environment. The use of these approaches is likely to lead to the discovery of new promising herbicidal molecules for use in both organic and conventional agriculture.

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Development of a Solid Bioherbicide Formulation by Spray Drying Technology

Cited by 8 publications

References 37 publications

Physiological mechanism of action and partial separation of herbicide–active compounds from the Diaporthe sp. extract on Amaranthus tricolor L.

Physiological mechanism of action and partial separation of herbicide–active compounds from the Diaporthe sp. extract on Amaranthus tricolor L.

Modern Approaches for the Development of New Herbicides Based on Natural Compounds

Prospects for the development of new herbicides based on natural compounds

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