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在现代农业中,研究和应用天然植物激素越来越受到国内外的重视。中国林科院林产化学工业研究所和广东省雷州林业局,从桉树叶中提取出一种以黄酮类化合物为主的生物活性物质——EF植物生长促进剂,具有增强光合作用,促进新陈代谢,增加干物质积累,抑病抗逆,离体保鲜等多种效应。EF对人畜无害,不污染环境,使用方便,经济效益显著,在农作物上使用1公斤药可净增收入100元以上。几年来,EF在苏、皖、鲁、粤、桂、闽等十多个省区进行多点多品种试验,大田示范和大面积推广应用取得良好效果。EF研制与应用曾获1983年江苏省科技成果四等奖,EF在葡萄生产上应用获淮阴市四等奖。一、增产效果据南京市蔬菜研究所四年来在近五百亩(次)试
In modern agriculture, research and application of natural plant hormones have drawn more and more attention both at home and abroad. China Academy of Forestry Chemical Industry Institute of Forest Products and Leizhou Forestry Bureau of Guangdong Province, from the eucalyptus leaves extracted from a flavonoid-based bioactive substances - EF plant growth promoter, with enhanced photosynthesis and promote metabolism, Increase the accumulation of dry matter, disease-resistant anti-retrogradation, in vitro preservation and other effects. EF harmless to humans and animals, do not pollute the environment, easy to use, significant economic benefits, the use of 1 kg of medicine on crops can be net income of 100 yuan or more. Over the past few years, EF has carried out more experiments in more than 10 provinces and regions in Jiangsu, Anhui, Shandong, Guangdong, Guangxi and Fujian provinces, and achieved good results in large-scale demonstration and popularization and application of large-scale fields. EF development and application won the fourth prize of scientific and technological achievements in Jiangsu Province in 1983, EF grape production in the application by the fourth prize of Huaiyin City. First, the effect of increasing output According to Nanjing Vegetable Research Institute in nearly four hundred years in the test (times)