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一种用于在开放环境中控制释放1-甲基环丙烯的微胶囊油分散体。

A microcapsule oil dispersion for the controlled release of 1-methylcyclopropene in an open environment.

作者信息

Guo Xinyu, Zhao Rui, Zhang Jia, Du Ying-Jie, Yang Lu-Guang, Chen Luoyun, Pang Sen, Xu Yong, Zhang Zhenhua, Wu Xuemin

机构信息

College of Science, China Agricultural University Beijing 100193 China

The Institute for the Control of Agrochemicals, Ministry of Agriculture and Rural Affairs of the People's Republic of China Beijing 100125 China.

出版信息

RSC Adv. 2019 Jul 30;9(41):23465-23473. doi: 10.1039/c9ra03762d. eCollection 2019 Jul 29.

DOI:10.1039/c9ra03762d
PMID:35530573
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9069325/
Abstract

1-Methylcyclopropene (1-MCP) is an important gaseous plant growth regulator. For its application as a gaseous pesticide, the plants with 1-MCP α-cyclodextrin microcapsule granules need to be enclosed in a sealed chamber. To provide a new spray formulation of 1-MCP for open environment application, herein, a novel 1-MCP microcapsule oil dispersion (1-MCP/MCOD) was prepared and characterized. It was found that 1-MCP could stay at higher concentrations for more than 36 hours during the controlled release experiment, and the SEM experiment showed good deposition of the 1-MCP/MCOD spray solution. In addition, the apple harvest application experiments showed that 1-MCP/MCOD could effectively prevent fruit drop at 3 μL L in an open environment. These results not only supply a new 1-MCP/MCOD kind of formulation for the flexible application of the 1-MCP gas in an open environment, but also show that this microcapsule oil dispersion formulation has significant potential in gaseous pesticide applications.

摘要

1-甲基环丙烯（1-MCP）是一种重要的气态植物生长调节剂。由于其作为气态农药的应用，带有1-MCP α-环糊精微胶囊颗粒的植物需要封闭在密封腔室中。为了提供一种用于开放环境应用的新型1-MCP喷雾制剂，在此制备并表征了一种新型的1-MCP微胶囊油分散体（1-MCP/MCOD）。发现在控释实验期间1-MCP可以在较高浓度下保持超过36小时，并且扫描电子显微镜实验表明1-MCP/MCOD喷雾溶液具有良好的沉积效果。此外，苹果采收应用实验表明，在开放环境中，1-MCP/MCOD在3 μL/L时可有效防止落果。这些结果不仅为1-MCP气体在开放环境中的灵活应用提供了一种新型的1-MCP/MCOD制剂，而且表明这种微胶囊油分散体制剂在气态农药应用中具有巨大潜力。

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