Residue Dynamics of Clopyralid and Picloram in Rape Plant Rapeseed and Field Soil.
Summary of "Residue Dynamics of Clopyralid and Picloram in Rape Plant Rapeseed and Field Soil."
A new method for simultaneous analysis of clopyralid and picloram residues in rape plant, rapeseed and field soil was developed and validated. The residual dynamics and final residues of clopyralid and picloram in rape plant, rapeseed and soil were determined by High Performance Liquid Chromtography-Diode Array Detector (HPLC-DAD) and High Performance Liquid Chromtography-Mass Spectroscopy Detector (HPLC-MSD). The limit of quantification (LOQ) was established as 0.02 mg/kg for soil sample, 0.5 mg/kg for rape and rapeseed sample, respectively. It was shown that recoveries ranged from 71.3%-109.0% for clopyralid, and 84.0%-100.5% for picloram at fortified levels of 0.02-2 mg/kg. From residue trials at two geographical experimental plots in China and laboratory simulated pots, the results showed that the half-lives of clopyralid in rape and soil were 3.66-4.83 and 2.53-5.17 days, respectively, for picloram with half-lives of 5.17-10.73 and 3.45-7.11 days. For tirals applied according to the label recommended, at harvest time the final residues of clopyralid in rapeseed were below 1.82 mg/kg, while the picloram residues could not be detected in rapeseed ( Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, China. This article was published in the following journal. Name: Bulletin of environmental contamination and toxicology Orobanchaceae The broom-rape plant family of the order Scrophulariales, subclass Asteridae, class Magnoliopsida. Brassica A plant genus of the family Cruciferae. It contains many species and cultivars used as food including cabbage, cauliflower, broccoli, Brussel sprouts, kale, collard greens, MUSTARD PLANT; (B. alba, B. junica, and B. nigra), turnips (BRASSICA NAPUS) and rapeseed (BRASSICA RAPA). Picloram A picolinic acid derivative that is used as a herbicide. Rape Unlawful sexual intercourse without consent of the victim. Cyclotrons Devices for accelerating charged particles in a spiral path by a constant-frequency alternating electric field. This electric field is synchronized with the movement of the particles in a constant magnetic field. The environmental fate of different forms of ZJ0702 in open rape field and MRL calculation. In the present work, the environmental fate, including residual level and dissipation rate of two formulations of ZJ0702 (a new pyrimidine salicylic herbicide which showed good inhibitory effect on th... Dissipation and Transport of Clopyralid in Soil: Effect of Application Strategies. At present there are no herbicide uses registered for broadleaf weed control in buckwheat. Clopyralid, mixed with desmedipham, was anticipated to provide early-season broadleaf weed suppression with m... Highly sensitive fluorescence quantification of picloram using immunorecognition liposome. Picloram is a widely used chlorinated herbicide, which is quite persistent and mobile in soil and water with adverse health and environmental risks. A simple and efficient method with high sensitivity... Extending the rapeseed gene pool with resynthesized Brassica napus II: Heterosis. Hybrid breeding relies on the combination of parents from two differing heterotic groups. However, the genetic diversity in adapted oilseed rape breeding material is rather limited. Therefore, the use... Trace detection of picloram using an electrochemical immunosensor based on 3D Au nanoclusters. Picloram, a herbicide widely used for broadleaf weed control, is persistent and mobile in soil and water with adverse health and environmental effects. It is important to develop a sensitive method fo... Field Evaluation of Plant-Based Mosquito Control Isolated minority communities in China use traditional plant-based methods of mosquito
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