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白莲是我县的传统产品,在国内外市场上均享有很高的声誊,目前在栽培面积和经济收益方面,都名列全县经济作物的首位。长期以来,在栽培白莲时,常常白莲遇到“发火”(死苗)的问题,轻则减产10％左右,重者损失30％以上,特别严重时甚至造成全田死苗,对发展白莲生产威胁很大,是生产中急待研究解决的重要课题。针对这一问题,笔者进行初步考察,并开展了防治试验,在生产中取得较好的效果。现分发病规律、病原症状及防治措施三个方面谈点看法和意见。
Bailian is a traditional product of our county, enjoying high acupuncture and moxibustion in both domestic and foreign markets. Currently, it ranks first in terms of cultivation area and economic benefits in the entire county. For a long time, when planting white lotus, often white lotus encounter “angry” (dead seedlings) problems, ranging from about 10% reduction in weight loss of more than 30%, even particularly serious when the whole field dead seedlings, the development of Bailian production A great threat, is an important issue urgently needed to be solved in production. In response to this problem, the author conducted a preliminary investigation, and carried out prevention and control tests, achieved good results in the production. Now points disease rules, pathogenic symptoms and prevention measures in three aspects talk about opinions and opinions.