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United States Department of Agriculture

Agricultural Research Service

Research Project: AERIAL APPLICATION RESEARCH FOR EFFICIENT CROP PRODUCTION

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Title: Effects of pesticides aerial applications on rice quality

Author
item Xue, Xinyu
item Tu, Kang
item Lan, Yubin

Submitted to: Transactions of the Chinese Agricultural Machinery
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 11/20/2013
Publication Date: 12/10/2013
Citation: Xue, X., Tu, K., Lan, Y. 2013. Effects of pesticides aerial applications on rice quality. Transactions of the Chinese Society for Agricultural Machinery. 44(12):94-98.

Interpretive Summary: In China, aerial application of pesticides is rapidly replacing more traditional ground application methods for controlling pests in rice. Aerial applications are made using a lower volume of water but higher concentration of pesticide; therefore, information is needed on how application methods affect rice quality. The effects of two commercial pesticides on rice quality were investigated under low volume aerial and traditional ground spraying applications. It was found that aerial application of one pesticide increased rice kernel hardness, which is a desirable outcome. However, no differences in rice quality were found between application methods with the second pesticide. This work provides applicators guidance on selection of pesticides and application methods for controlling pests in rice.

Technical Abstract: Aerial application of pesticides has become an important research topic in recent years. This research investigated the effects of two types of commercial pesticides on the rice quality under low volume aerial application. It could provide guidance for the pesticide application and choose the right types of pesticides. For chlorpyrifos and hexaconazole pesticides, we used aerial and traditional spraying on Nangeng 5050 rice during the growing season. We investigated the differences of postharvest rice quality and also the kernel spectrum of DMA between aerial application in high concentration and low volume and traditional spraying. We found that rice kernel hardness for aerial application with chlorpyrifos is higher than tradition spraying application but no significant difference with hexaconazole application. With X-ray diffraction analyzer, we found that the effect of aerial application is smaller than traditional one for the microstructure of rice kernels.

Last Modified: 08/15/2017
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