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632.937 (173) |
Boli ale plantelor. Dăunători și organisme vătămătoare pentru plante. Protejarea plantelor (977) |
SM ISO690:2012 LOMTADZE, Omar, EBRALIDZE, Ketevan, SHALVASHVILI, Nunu. Environmentally friendly pyrethroid drug against plant pests. In: Ecological and environmental chemistry : - 2022, Ed. 7, 3-4 martie 2022, Chișinău. Chisinau: Centrul Editorial-Poligrafic al USM, 2022, Ediția 7, Vol.1, p. 154. ISBN 978-9975-159-07-4.. 10.19261/eec.2022.v1 |
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Ecological and environmental chemistry Ediția 7, Vol.1, 2022 |
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Conferința "Ecological and environmental chemistry 2022" 7, Chișinău, Moldova, 3-4 martie 2022 | ||||||
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CZU: 632.937 | ||||||
Pag. 154-154 | ||||||
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In today‘s reality, no country in the world can abandon chemical plant protection products, as they are significantly more effective than biopesticides, the efforts of researchers are aimed at using pesticides that are as safe as possible for humans and the environment. One way to reduce the environmental burden is to extend the effective period of the pesticide, since in this case the frequency of its use is reduced. Taking into account the stricter environmental requirements, an insectoacaricide composition with a low environmental load was developed at the Petre Melikishvili Institute of Physical and Organic Chemistry. In the composition of the developed composition, the auxiliary component of the main active substance (synthetic pyrethroid – cypermethrin) is turpentine oil, which is obtained from plant remains (pine resin). It was found that the presence of turpentine oil in the composition of the developed composition determines an increase in the period of insect-acaricidal activity from 15-17 days to 25-28 days. The increase in the period of insect-acaricidal activity developed by the composition is probably caused by the formation of a micro emulsion system water – turpentine oil, which creates certain steric difficulties in the release of cypermethrin molecules. The effectiveness of the composite preparation containing turpentine oil was studied by comparing its effect on the mortality of aphids with the imported insect-acaricidal preparation ―Arrivo‖ (FMC Corporation – Agricultural Products Group, USA). According to the results obtained, the effectiveness of the developed composition is at the level of imported insectoacaricide, despite the low content of synthetic pyrethroid in the developed composition by 60%. The result of the analysis a residual amount of pyrethroid in nectarine, peach and apple(cypermine) are 0.006’0.013 mg kg, while according to The European Food Safety Authority (EFSA) the maximum residue level (MRL) of cypermethrinin these products is 2.0 mg/kg. Based on the research conducted, we can conclude: Effectiveness of developed composition and the highquality European and American acaricidal preparations are almost identical. The content of turpentine oil in the formulation of developed composition determines the sufficiency of low pyrethroid content for the effective action of the drug against plant pests. Therefore, the use of the developed composition against pests is absolutely safe for humans and the environment. |
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