水质对农药和肥料相容性的影响

A. Žunić, S. Vukovic, D. Šunjka, S. Lazic, D. Boskovic
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引用次数: 1

摘要

混合使用两种或两种以上的农药在现代农业中很常见。然而,其功效或生物活性的变化,如协同作用和拮抗作用、植物毒性、持久性、对非目标生物的毒性等,可能会因此发生变化。本研究是为了评估杀虫剂(cyantranililprole - Exirel、chlorantranililprole - Coragen 20 SC)、杀菌剂(captan - Merpan 50 WP)和叶面肥料(Folia Stim Mix TE)及其混合物在喷雾液体中的相容性,具体取决于水质(来自塞尔维亚两个地点Mala Remeta和Cerevic的井水)。这些产品用于控制最重要的桃子害虫,并作为额外的营养来源。水分析(pH值、硬度、电导率、氯化物、硝酸盐、亚硝酸盐、氨、钙和铁含量)和喷雾液的理化性能测试(pH值、悬浮性、分散性、表面张力、电导率)在实验室实验中按照标准方法进行。液体的物理化学性质根据水质和混合成分的不同而变化。然而,所有测试的喷雾液体在24小时内都表现出一致性和相容性。
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Impact of water quality on pesticides and fertilizer compatibility
Mixtures of two or more pesticides are very common in contemporary agriculture. However, changes in their efficacy or biological activity, such as synergism and antagonism, phytotoxicity, persistence, toxicity to non-target organisms, may occur as a consequence. This study was conducted in order to evaluate the compatibility of insecticides (cyantraniliprole - Exirel, chlorantraniliprole - Coragen 20 SC), a fungicide (captan - Merpan 50 WP) and a foliar fertilizer (Folia Stim Mix TE), as well their mixtures, in spray liquids, depending on water quality (well water from two locations in Serbia - Mala Remeta and Cerevic). These products are used to control the most significant peach pests, and as an additional source of nutrients. Water analysis (pH, hardness, electroconductivity, chloride, nitrate, nitrite, ammonia, calcium and iron content) and tests of physico-chemical properties of the spray liquids (pH, suspensibility, dispersibility, surface tension, and electroconductivity) were performed in a laboratory experiment according to standard methods. The physico-chemical properties of the liquids changed depending on water quality and components incorporated in the mixture. However, all tested spray liquids showed consistency and compatibility over a period of 24 hours.
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审稿时长
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