关键词: 氯虫苯甲酰胺, 大豆, 内吸, 传导

Abstract:

【Objective】The objective of this study is to investigate intake transportation function of new insecticide chlorantraniliprole and to provide evidences for formulating strategies for controlling vegetable pests and rice pests in the present study.【Method】Intake transportation function of chlorantraniliprole was investigated through applicating chlorantraniliprole on the soybean leaves or water culture. The acetonitrile was used as extracted solven, and chlorantraniliprole in the soybean was extracted by using the ultrasonic extracting method and analyzed by high performance liquid chromatography (with diode-array detector).【Result】When soybean roots were incubated with chlorantraniliprole solution at a concentration of 50 μg·mL-1, the concentrations of chlorantraniliprole in soybean stems and soybean leaves were 15.22 and 4.73 μg·g-1 after treatment for 24 h, respectively. The concentrations of chlorantraniliprole in soybean stems and soybean leaves were 8.71 and 7.96 μg·g-1 after treatment for 48 h, respectively. When soybean roots were incubated with chlorantraniliprole solution at a concentration of 200 μg·mL-1, the concentrations of chlorantraniliprole in soybean stems and soybean leaves were 18.52 and 11.95 μg·g-1 after treatment for 24 h, respectively. The concentrations of chlorantraniliprole in soybean stems and soybean leaves were 16.45 and 17.88 μg·g-1 after treatment for 48 h, respectively. When chlorantraniliprole was applied on the mature leaves at a concentration of 100 μg·mL-1, chlorantraniliprole was found in the apical leaves and its concentration was 16.55 and 20.79 μg·g-1 after treatment for 24 and 48 h, respectively, while no chlorantraniliprole was detected in the leaves below the mature leaves. When chlorantraniliprole was applied on the apical leaves at a concentration of 100 μg·mL-1, while no chlorantraniliprole was detected in the leaves below the apical leaves. 【Conclusion】The results indicated that chlorantraniliprole had good intake transportation function in soybean and which could transport from the bottom to up of the plant.

Key words: chlorantraniliprole, soybean, intake, transportation