经北京农业大学等高等院校研制、由北京长阳农场化工厂生产的“83-增抗剂”对蔬菜具有防病促生的双重作用。它能抑制蔬菜病毒的繁殖和扩散,防止病毒侵染,并能促使植株细胞分裂素活性和过氧化物酶活性提高,促进植物发育,提高产量,改进品质。使用“83-增抗剂”一般可使蔬菜增产 The Beijing Agricultural University and other institutions of higher learning, Beijing Changyang farms chemical plant production of “83-resistant agent” on vegetables with dual role of disease prevention and promote growth. It can inhibit the propagation and spread of vegetable viruses, prevent virus infection, and can promote plant cytokinin activity and peroxidase activity, promote plant development, increase yield and improve quality. The use of “83-enhancer” generally increases the yield of vegetables