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防治园林植物有害生物,需要使用杀虫剂、杀菌剂、除草剂等化学药剂。化学药剂若使用不当,会对园林植物产生药害,轻则让植物生长受阻,重则使植物局部坏死或整株死亡。要想减少园林植物药害,一方面要做到科学用药,尽可能预防药害发生;另一方面要做好用药后调查,及时对受害植物进行救治。1药害预防措施1.1尽量少用化学药剂。不断强化生物防治,充分
Garden plant pest control, the need to use pesticides, fungicides, herbicides and other chemicals. If improper use of chemical agents will produce phytotoxicity on garden plants, ranging from the growth of the plant hindered, while the plant is partially necrosis or death of the entire plant. In order to reduce the phytotoxicity of garden plants, on the one hand, we should make scientific use of medicines and prevent as far as possible the occurrence of phytotoxicity; on the other hand, we must make investigations after treatment and timely treat the affected plants. 1 phytosanitary measures 1.1 try to use less chemicals. Continue to strengthen biological control, full