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

1-Methylcyclopropene (1-MCP) is an important gaseous plant growth regulator. For its application as a gaseous pesticide, the plants with 1-MCP -cyclodextrin microcapsule granules need to be enclosed in a sealed chamber. To provide a new spray formulation of 1-MCP for open environment application, he...

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Bibliographic Details
Published in:RSC advances 2019-07, Vol.9 (41), p.23465-23473
Main Authors: Guo, Xinyu, Zhao, Rui, Zhang, Jia, Du, Ying-Jie, Yang, Lu-Guang, Chen, Luoyun, Pang, Sen, Xu, Yong, Zhang, Zhenhua, Wu, Xuemin
Format: Article
Language:English
Subjects:
Chemistry
Controlled release
Cyclodextrins
Dispersion
Growth regulators
Pesticides
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Summary:1-Methylcyclopropene (1-MCP) is an important gaseous plant growth regulator. For its application as a gaseous pesticide, the plants with 1-MCP -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 L L 1 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. Formulation of 1-MCP/MOOD and controlled release process for application in the open environment.
ISSN:2046-2069
2046-2069
DOI:10.1039/c9ra03762d