Open Access Received: | Accepted: | Published:
Wen Zhanga, Yuting Tangb ,Guanglu Yuc , Hongying Wangb, Hongguo Xied, Miao Zhaoa，Heng Yind.
School of Textile and Materials Engineering，Dalian Polytechnic University ，Dalian 116034, China;
b School of Bialogical Engneering, Dalian Polytechnic University ，Dalian 116034, China;
College of Transportation Engineering, Dalian Maritime University，Dalian 116034, China;
Dalian Institute of Chemical Physics, Chinese Academy of Sciences，Dalian 116034, China.
Abstract. The conventional pesticides are easily washed off by rainfall, resulting in a low utilization rate.To address this challenge, a novel formulation was developed by incorporating azoxystrobin (AZOX) into chitosan-polyaniline composite microspheres (CTS/PANi). The CTS/PANi microspheres exhibited excellent adhesion properties on plant leaves due to the abundance of amine groups present on their surface. The loading capacity of AZOX in CTS/PANi was approximately 9.8%. The retention rate of the AZOX@CTS/PANi formulation on cucumber leaves after flushing was 33%, which was significantly higher than that of azoxystrobin water-dispersible granules (22.5%). Furthermore, AZOX@CTS/PANi demonstrated sustained-release behavior, with a cumulative release ratio of 30% over a 48-hour period in 10% methanol. This sustained-release characteristic contributes to its long-lasting efficacy. The results of pot experiments confirmed that AZOX@CTS/PANi exhibited enhanced antifungal efficacy against Rhizoctonia solani compared to azoxystrobin water-dispersible granules after flushing.
Key words. Azoxystrobin; chitosan; polyaniline; pesticide formulation; foliar adhesion
Wen Zhang, School of Textile and Materials Engineering，Dalian Polytechnic University ，Dalian 116034, China.
Citation: Wen Zhang, Yuting Tang ,Guanglu Yu , Hongying Wang, Hongguo Xie, Miao Zhao，Heng Yin., PREPARATION OF AN AZOXYSTROBIN FORMULATION WITH FOLIAR ADHESION AND SUSTAINED-RELEASE PROPERTIES. Uzbekistan Journal of Polymers, Vol. 2(2) 2023: pp.22-31.
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