Division of Agricultural Chemicals, Indian Agricultural Research Institute, New Delhi, India.
J Environ Sci Health B. 2012;47(3):226-31. doi: 10.1080/03601234.2012.634368.
Controlled release (CR) formulations of imidacloprid (1-(6 chloro-3-pyridinyl methyl)-N- nitro imidazolidin-2- ylideneamine) were prepared using novel amphiphilic polymers synthesized from polyethylene glycol and aliphatic diacids employing encapsulation technique. The bioefficacy of the prepared CR formulations was evaluated against major pests of soybean, namely stem fly, Melanagromyza sojae Zehntmer and white fly, Bemisia tabaci Gennadius along with a commercial formulation at the experimental farm of Indian Agricultural Research Institute (IARI), New Delhi during kharif 2009 and 2010. Most of the CR formulations of imidacloprid gave significantly better control of the pests compare to its commercial formulations, however the CR formulations, Poly [poly (oxyethylene-1000)-oxy suberoyl] amphiphilic polymer based formulation performed better over others for controlling of both stem fly incidence and Yellow Mosaic Virus (YMV) infestation transmitted by white fly. Some of the developed CR formulations recorded higher yield over commercial formulation and control. Nodulation pattern of soybean was not affected due to treatment of CR and commercial formulations of imidacloprid. Also the residues of imidacloprid in seed and soil at harvest were not detectable for both CR and commercial formulations.
采用包封技术，利用聚乙二醇和脂肪族二酸合成了新型两亲聚合物，制备了吡虫啉（1-（6-氯-3-吡啶基甲基）-N-硝基亚咪唑烷-2-亚基胺）的控释（CR）制剂。在 2009 年和 2010 年的卡哈里夫期间，在印度农业研究所（IARI）的实验农场，用制备的 CR 制剂对大豆的主要害虫，即茎蝇、Melanagromyza sojae Zehntmer 和粉虱、Bemisia tabaci Gennadius 进行了生物功效评估，以及一种商业制剂。与商业制剂相比，大多数吡虫啉的 CR 制剂对害虫的控制效果明显更好，但与其他制剂相比，基于 Poly [poly (oxyethylene-1000)-oxy suberoyl] amphiphilic polymer 的 CR 制剂在控制茎蝇发病率和粉虱传播的黄脉花叶病毒（YMV）侵染方面表现更好。一些开发的 CR 制剂的产量高于商业制剂和对照。由于 CR 和商业制剂的处理，大豆的结瘤模式没有受到影响。在收获时，CR 和商业制剂的种子和土壤中均未检测到吡虫啉的残留。
