PMID- 16083135 OWN - NLM STAT- MEDLINE DCOM- 20051223 LR - 20131121 IS - 1001-0742 (Print) IS - 1001-0742 (Linking) VI - 17 IP - 3 DP - 2005 TI - Dissipation of chlorpyrifos on pakchoi inside and outside greenhouse. PG - 503-5 AB - The dissipation of chlorpyrifos on pakchoi inside and outside greenhouse was studied. The decline curve of chlorpyrifos on pakchoi could be described as first-order kinetic. The experimental data showed that both the hermetic environment of greenhouse and season affected dissipation rates of chlorpyrifos on pakchoi. Chlorpyrifos declined faster outside greenhouse than inside greenhouse. Chlorpyrifos residues at pre-harvest time were below the maximum residue limits (MRLs) fixed in China, whereas the values inside greenhouse were higher than those outside greenhouse by almost 50%. The recommended pre-harvest time established under conditions of open field might not always fit to greenhouse production. FAU - Yu, Yun-Long AU - Yu YL AD - Department of Plant Protection, Zhejiang University, Hangzhou 310029, China. ylyu@zju.edu.cn FAU - Fang, Hua AU - Fang H FAU - Wang, Xiao AU - Wang X FAU - Yu, Jing-Quan AU - Yu JQ FAU - Fan, De-Fang AU - Fan DF LA - eng PT - Comparative Study PT - Journal Article PL - Netherlands TA - J Environ Sci (China) JT - Journal of environmental sciences (China) JID - 100967627 RN - 0 (Pesticide Residues) RN - JCS58I644W (Chlorpyrifos) SB - IM MH - Brassica/*metabolism MH - China MH - Chlorpyrifos/*chemistry/isolation & purification MH - Chromatography, Gas MH - *Environment, Controlled MH - Pesticide Residues/*chemistry MH - Time Factors MH - Volatilization EDAT- 2005/08/09 09:00 MHDA- 2005/12/24 09:00 CRDT- 2005/08/09 09:00 PHST- 2005/08/09 09:00 [pubmed] PHST- 2005/12/24 09:00 [medline] PHST- 2005/08/09 09:00 [entrez] PST - ppublish SO - J Environ Sci (China). 2005;17(3):503-5.