Eficiência de um composto de iodo orgânico contra fungos apodrecedores de madeiras e térmitas.

Costa, Alexandre Florian da; Gonçalez, Joaquim Carlos; Vale, Ailton Teixeira do

doi:10.5902/198050981733

Cited by 3 publications

(3 citation statements)

References 1 publication

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“…These results did not differ statistically from treatment 13, situation 1, demonstrating that jatropha oil was also lethal to termites when enriched with 5% I 2 . As reported by Costa et al (2003), this proves the efficiency of iodine compounds against xylophagous termites.…”

Section: /9supporting

confidence: 82%

“…Moreover, it is a bactericidal, fungicidal and poorly water-soluble agent (Moriya & Módena, 2008). Due to the antifungal and insecticidal properties of iodine (Costa et al, 2003) and its low toxicity to humans and the environment (Takahashi et al, 1985), associated with its low solubility in water, it can present residual power in treated wood, which is of interest to the industry since the active principle of the product will protect the wood longer when exposed to environmental action.…”

Section: Introductionmentioning

confidence: 99%

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Efficiency of Vegetable Oils in Wood Resistance to Cryptotermes brevis Termites

et al. 2019

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Natural products have been studied in order to ensure environmental sustainability, human health, and diminish the use of traditional products. The objective of this study was to evaluate the efficiency of pure andiroba (Carapa guianensis), copaiba (Copaifera langsdorffii) and jatropha (Jatropha curcas) oils and enriched with iodine (I 2) on the biological resistance of Pinus elliottii wood to dry-wood termites (Cryptotermes brevis). The oils were enriched with 1%, 3%, and 5% of I 2 and impregnated into the wood by cold immersion. The treated samples were subjected to volatilization and leaching. Volatilization and leaching did not affect the loss of mass caused by termites, except for treatments with pure and enriched with 1% iodine copaiba oil. Leached samples were more damaged. The addition of iodine to the oils resulted in a greater efficiency against termites. Andiroba (3% and 5% I 2) and jatropha oils (5%) were the most efficient, providing total termite mortality.

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Section: /9supporting

confidence: 82%

Section: Introductionmentioning

confidence: 99%

Efficiency of Vegetable Oils in Wood Resistance to Cryptotermes brevis Termites

et al. 2019

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“…In some cases, plant oils and extracts need chemicals added which are not harmful to human health and the environment in order to have their eff ectiveness improved. Iodine has bactericidal, fungicidal and insecticidal action (Costa et al, 2003), and mainly due to its low toxicity to humans and the environment (Takahashi et al, 1985) associated with its low solubility in water (Moriya and Módena, 2008), it may provide resistance strength to wood. This is very interesting to the industry, since the active principle will remain when it is exposed to environmental action.…”

Section: Introductionmentioning

confidence: 99%

EFFICIENCY OF ANDIROBA, COPAIBA AND JATROPHA OILS TO IMPROVE THE RESISTANCE OF Pinus elliottii WOOD TO WOOD-DECAY FUNGI

et al. 2020

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Non-renewable chemical products are still the most used for wood protection, however, they have negative aspects. Several problems associated with the extensive use of these substances have been reported, such as intoxication of animals and plants, and environmental contamination. This has led to a search for alternative methods of control that cause less impact on the environment. In this context, the use of natural products extracted from different plants can be an alternative to this industrial activity. The objective of this work was to evaluate the efficiency of andiroba, copaiba and jatropha oils, either pure or enriched with iodine (I2), to improve the biological resistance of Pinus elliottii wood to wood-decay fungi causing brown, white and soft rot. The andiroba and copaiba oils came from the state of Pará and the jatropha oil came from Paraíba. Thus, we performed resistance tests to accelerated decay (brown and white rot fungi) and soft rot tests in the laboratory. We used pure natural oils and those enriched with sublimated iodine in assessing efficiency. In turn, we evaluated the effects of volatilization and leaching on the efficiency of solutions against decaying fungi. Pure andiroba and jatropha oils were the least efficient in controlling the Trametes versicolor fungus in the accelerated decay biological assay. Moreover, the wood treated with pure copaiba oil (normal situation) was classified as non-resistant for controlling Postia placenta fungus. In the soft rot test, we observed that there was a tendency to improve the wood resistance (normal situation) with an increase in the iodine concentration (I2).

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Biofortification of Cereals With Foliar Selenium and Iodine Could Reduce Hypothyroidism

Lyons

2018

Front. Plant Sci.

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Concurrent selenium and iodine deficiencies are widespread, in both developing and developed countries. Salt iodisation is insufficient to ensure global iodine adequacy, with an estimated one-third of humanity at risk of hypothyroidism and associated iodine deficiency disorders (IDD). Agronomic biofortification of food crops, especially staples such as cereals, which are consumed widely, may be an effective component of a food system strategy to reduce selenium and iodine malnutrition. Iodine and selenium are needed in the optimum intake range for thyroid health, hence joint biofortification makes sense for areas deficient in both. Foliar application is recommended as the most effective, efficient, least wasteful method for selenium and iodine biofortification. Currently, selenium is easier to increase in grain, fruit, and storage roots by this method, being more phloem mobile than iodine. Nevertheless, strategic timing (around heading is usually best), use of surfactants and co-application with potassium nitrate can increase the effectiveness of foliar iodine biofortification. More research is needed on iodine transporters and iodine volatilisation in plants, bioavailability of iodine in biofortified plant products, and roles for nano selenium and iodine in biofortification. For adoption, farmers need an incentive such as access to a premium functional food market, a subsidy or increased grain yield resulting from possible synergies with co-applied fertilisers, enhancers, fungicides, and insecticides. Further research is needed to inform these aspects of foliar agronomic biofortification.

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Eficiência de um composto de iodo orgânico contra fungos apodrecedores de madeiras e térmitas.

Cited by 3 publications

References 1 publication

Efficiency of Vegetable Oils in Wood Resistance to Cryptotermes brevis Termites

Efficiency of Vegetable Oils in Wood Resistance to Cryptotermes brevis Termites

EFFICIENCY OF ANDIROBA, COPAIBA AND JATROPHA OILS TO IMPROVE THE RESISTANCE OF Pinus elliottii WOOD TO WOOD-DECAY FUNGI

Biofortification of Cereals With Foliar Selenium and Iodine Could Reduce Hypothyroidism

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