荔枝树脂病是一种真菌性病害,它主要为害枝干、叶片和果实,尤其是枝干受害后,引起皮层腐烂坏死,生长停滞,最终导致枝枯树亡。该病在正常年份及正常管理下,较少发生,去年受“12·22”寒害的影响,许多荔枝树不同程度受冻,形成许多伤口,以至2000年春季气温上升,雨水充足时,潜伏的病菌借风、雨、昆虫等媒介传播,从伤口侵 Litchi resin disease is a fungal disease, which is mainly harmful to the branches, leaves and fruits, especially after the branch damage, causing cortical necrosis, growth stagnation, and ultimately lead to dead branches tree dead. The disease occurred less frequently in normal years and under normal management. Last year, affected by the “12 · 22” chilling injury, many lychee trees were frozen to varying degrees and formed many wounds. As the temperature rose in the spring of 2000, when the rain was abundant, the latent Germs wind, rain, insects and other media, from the wound invasion