Provided herein are herbicidal composition containing and method of controlling undesirable vegetation utilizing (a) a compound of formula (I): or an agriculturally acceptable salt or ester thereof and (b) an auxin transport inhibitor. Exemplary auxin transport inhibitors include chlorflurenol-methyl, diflufenzopyr-sodium, flurenol-methyl and naptalam-sodium, or an agriculturally acceptable salt or ester derivative thereof. The methods and compositions described herein provide control of undesirable vegetation, e.g., in rice, cereals, wheat, barley, oats, rye, sorghum, corn or maize, sugarcane, sunflower, oilseed rape, canola, sugar beet, soybean, cotton, pineapple, vegetables, pastures, grasslands, rangelands, fallowland, turf, tree and vine orchards, aquatics, plantation crop, industrial vegetation management (IVM) or rights of way (ROW).本文提供包含(a)式(I)的化合物或其農業上可接受的鹽類或酯類和(b)生長素轉運抑制劑之除草劑組成物以及使用(a)式(I)的化合物或其農業上可接受的鹽類或酯類和(b)生長素轉運抑制劑來控制非所欲的植被之方法:例示性的生長素轉運抑制劑包括整形素、氟吡草腙鈉、甲基芴醇及納得爛鈉,或是其等之農業上可接受的鹽類或酯類衍生物。本文所說明之方法及組成物提供,例如於稻米、穀類、小麥、大麥、燕麥、黑麥、高梁、玉米(corn)或玉米(maize)、甘蔗、向日葵、油菜、芥花、甜菜、大豆、棉花、鳳梨、蔬菜、牧草、草地、牧場、休耕地、草皮、樹和葡萄樹果樹園、水生植物、種植園作物、工業植被管理(IVM)或公用路線穿越用地(ROW)中之非所欲的植被之控制。
