“83增抗剂”(瑞草牌)是北京农业大学裘维蕃教授等研制成功的我国第一个耐病毒诱导剂,农业部正在大力推广使用。 这种增抗剂喷洒在植物幼苗上,有使植物产生抗病毒性和促进植物生长的双重作用。目前查明的植物病毒病约有70余种,但国内外一 “83 Antidepressant” (Swiss grass brand) is the first virus-resistant inducer developed in China by Professor Qiu Wei-fan of Beijing Agricultural University. The Ministry of Agriculture is promoting the use of it. Spraying this enhancer on plant seedlings has the dual effect of making plants resistant to viruses and plant growth. At present there are about 70 species of plant virus disease identified, but one at home and abroad