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1983年11月至1984年1月,农牧渔业部农业局全国植保总站组织了专家考察宣讲组一行10人,到川、云、贵、湘、赣柑桔主产区对黄龙病发生和传毒昆虫等情况进行实地考察,评价了5省关于黄龙病发生和木虱分布情况的普查、科研工作;宣传检疫与防治技术,并对黄龙病进行“会诊”;举行宣讲会12次、讨论座谈会18次,约600人听讲,最后集中湖南郴州地区进行总结。 一、考查情况 柑桔黄龙病是毁灭性病害,病株5、6年即失去生产价值,严重威胁柑桔事业的发展。除广东、福建、广西等老病区外,最近
From November 1983 to January 1984, the National Plant Protection Headquarters of the Agriculture Bureau of the Ministry of Agriculture, Animal Husbandry and Fishery organized a delegation of 10 experts and experts to visit the main production areas of Sichuan, Yunnan, Guizhou, Hunan and Jiangxi Province, Toxic insects and other field visits, evaluation of the five provinces on the occurrence of yellow dragon and psyllium distribution survey, scientific research; propaganda and prevention and treatment of quarantine and technology, and Huanglong disease “consultation”; hold a lecture 12 times to discuss the discussion Will be 18 times, about 600 people listen, and finally focus on the Chenzhou area in Hunan to summarize. First, to examine the situation Citrus Huanglongbing is a devastating disease, diseased plants 5,6 years that lose their value of production, a serious threat to the development of citrus. In addition to Guangdong, Fujian, Guangxi and other old ward, recently