Use of Botanical Pesticides in Modern Plant Protection

Tiilikkala, Kari; Lindqvist, Isa; Hagner, Marleena; Setälä, Heikki; Perdikis, D.

doi:10.5772/17737

Cited by 7 publications

(9 citation statements)

References 15 publications

(17 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…It is used in the form of ointments and alcohol solutions in the treatment of skin diseases of humans and animals [ 18 ]. The suitability of birch tar oil as either a biocide, repellent against insects, weeds, and rodents, or in both, has also been documented [ 19 , 20 , 21 ]. Recently, attempts were made to use tar to protect plants against bacterial and fungal diseases [ 22 , 23 , 24 , 25 ] and to combat snails [ 26 ].…”

Section: Introductionmentioning

confidence: 99%

Biodegradability of Novel Polylactide and Polycaprolactone Materials with Bacteriostatic Properties Due to Embedded Birch Tar in Different Environments

Richert

Kalwasińska

Brzezinska

et al. 2021

IJMS

View full text Add to dashboard Cite

The microbial biodegradation of new PLA and PCL materials containing birch tar (1–10% v/v) was investigated. Product of dry distillation of birch bark (Betula pendula Roth) was added to polymeric materials to obtain films with antimicrobial properties. The subject of the study was the course of enzymatic degradation of a biodegradable polymer with antibacterial properties. The results show that the type of the material, tar concentration, and the environment influenced the hydrolytic activity of potential biofilm degraders. In the presence of PCL films, the enzyme activities were higher (except for α-D-glucosidase) compared to PLA films. The highest concentration of birch tar (10% v/v) decreased the activity of hydrolases produced by microorganisms to the most significant extent; however, SEM analysis showed the presence of a biofilm even on plastics with the highest tar content. Based on the results of the biological oxygen demand (BOD), the new materials can be classified as biodegradable but, the biodegradation process was less efficient when compared to plastics without the addition of birch tar.

show abstract

Section: Introductionmentioning

confidence: 99%

Biodegradability of Novel Polylactide and Polycaprolactone Materials with Bacteriostatic Properties Due to Embedded Birch Tar in Different Environments

Richert

Kalwasińska

Brzezinska

et al. 2021

IJMS

View full text Add to dashboard Cite

show abstract

“…In most of such products, their efficacy is based on a mixture of many components. However, wide use of pyrolysis liquids as biopesticides will require many changes in pesticide registration procedures (Tiilikkala et al, 2011). Further research is required to identify the active compounds able to contribute to insecticidal activity, potentially produced by pyrolysis of different types of biomass at low production cost.…”

Section: Discussionmentioning

confidence: 99%

“…Some studies have suggested also that pyroysis products, i.e. bio-oil and biochar, could be used as environmentally friendly biocontrol agents (Tiilikkala et al, 2011;Hou et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

Insecticidal activity of bio-oils and biochar as pyrolysis products and their combination with microbial agents against agrotis ipsilon (Lepidoptera: Noctuidae)

et al. 2018

Self Cite

View full text Add to dashboard Cite

Pyrolysis technology for producing biochar and bio-oils can be used as a potential alternative to make biopesticides, which are urgently needed in integrated pest management (IPM). Insecticidal activity of three components of bio-oils: aqueous, organic and their mixture, was evaluated individually and with three different entomopathogens: the baculovirus Agrotis ipsilon nucleopolyhedrovirus (AgipMNPV), bacterium Bacillus thuringensis var. kurstaki (Bt) and fungus Beauveria bassiana (Bb) against black cutworm, Agrotis ipsilon (Hufnagel). The effect of alkaline conditions of spray-dried biochar was studied simultaneously with the microbial pathogens. Our bioassay results indicated that the organic bio-oil phase was the most active, causing 100% mortality after 24 h, when the median lethal toxicity values LC50s (mg/ml) were found. However, the bio-oil fractions applied alone tended to cause higher mortality of the exposed larvae than did either mix with the microbial agents. Also, the results revealed that maximum mortalities were found in spray-dried formulations made with biochar at pH 7.1. It was concluded that pyrolysis oils are effective insecticides, and biochar could be a useful additive in production and formulation of biopesticides. This interesting finding further promotes the use of pyrolysis bio-oils and biochar compounds as eco-friendly alternatives to replace conventional pesticides.

show abstract

“…This problem originates from various sources such as phytotoxins, chemical pesticides, food processing chemicals, and others [7]. Chemical pesticide residues as contaminants are present in food production in higher than safe concentrations [8][9][10]. However, in agriculture, conventional chemical fungicides are used for disease control.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Monochromatic LED Light Wavelengths and Photoperiods on Botrytis cinerea

Rasiukevičiūtė

Brazaitytė

Vaštakaitė-Kairienė

et al. 2021

JoF

View full text Add to dashboard Cite

Botrytis cinerea is a ubiquitous necrotrophic pathogen causing grey mould in economically important crops. Light effect in horticulture is undeniable and fungi also react to light. Selected specific light-emitting diodes (LEDs) and photoperiods can be used for fungal pathogen inhibition. This study aimed to evaluate how LED light wavelengths and photoperiods affect the growth parameters of B. cinerea. The morphological (mycelium appearance, sclerotia distribution) and phenotypic (conidia presence and size, mycelium growth rate, recovery) characteristics of the fungal pathogen B. cinerea were evaluated under royal blue 455 nm, blue 470 nm, cyan 505 nm, yellow 590 nm, and red 627 nm LED lights at various photoperiods (4, 8, 12, 16, 20, 24 h). The results revealed that the light conditions and photoperiods influenced the B. cinerea morphological and phenotypic characteristics. Overall, the highest B. cinerea inhibition was under yellow (590 nm) LED light at 4 and 8 h photoperiods. Conidia did not form under blue 455 nm at 8, 16, 20, and 24 h photoperiods. Therefore, it can be assumed that the phenotypic and morphological features of B. cinerea depend on the specific photoperiod and LED light wavelength. The results allowed an exploration of original research approaches, raised new scientific questions for further investigation, and suggested new green plant protection solutions.

show abstract

Use of Botanical Pesticides in Modern Plant Protection

Cited by 7 publications

References 15 publications

Biodegradability of Novel Polylactide and Polycaprolactone Materials with Bacteriostatic Properties Due to Embedded Birch Tar in Different Environments

Biodegradability of Novel Polylactide and Polycaprolactone Materials with Bacteriostatic Properties Due to Embedded Birch Tar in Different Environments

Insecticidal activity of bio-oils and biochar as pyrolysis products and their combination with microbial agents against agrotis ipsilon (Lepidoptera: Noctuidae)

The Effect of Monochromatic LED Light Wavelengths and Photoperiods on Botrytis cinerea

Contact Info

Product

Resources

About