澳大利亚新南威尔士州的树出现顶梢枯死 ,估计棉花脱叶剂是一个影响因子 ,这些化学物质对非目标品种包括本地的树、新的植物等都有影响。最近在新 England大学的温室中进行了试验 ,引进的8种国内树种为澳大利亚洋槐、昆士兰金合欢、细枝木麻黄、白杨、川红胶树、黄杨、coolibah Top withering of trees in New South Wales, Australia, with cotton defoliants as an influencing factor, has been shown to affect non-target species including native trees, new plants and the like. A recent experiment was conducted in a greenhouse at the University of New England. The eight domestic species introduced were Australian acacia, Queensland acacia, twig ephedra, aspen, chuan red gum, boxwood, coolibah