广州地区豌豆黃顶病每年在11月开始发生,发病率一般很低,但个別田块可达50％以上。病株頂部叶片黄化,縮小,皺縮卷曲,叶质脆,植株矮縮,不开花結莢,最后发生丛枝現象,植株很快枯死。武汉地区蚕豆黄頂病每年在苗期(11月)开始发生,发病率約1—5％,翌年4、5月流行,发病率輕的为5—10％,重的达80—100％。症状和广州地区的豌豆黄頂病基本相同。 Yellow peas disease in Guangzhou began in November each year, the incidence is generally low, but individual fields up to 50%. The top leaves of the diseased plants were yellowed, shrunk, crimped and curled, the leaves were crisp, and the plants were dwarfed and not podded. Finally, the phenomenon of twigs occurred and the plants died soon. Wuhan area broad bean yellow top disease occurs annually in the seedling stage (November), the incidence of about 1-5%, popular in April and May the following year, the incidence of mild 5-10%, heavy up to 80-100%. Symptoms and peas in Guangzhou yellow top disease is basically the same.