一、南美叶疫病(本节已译载《橡胶树南美叶疫病防治译文集》,文略——编者)本二、季风性落叶病和叶片凋萎病季风性落叶病的病原疫霉菌侵染老熟叶片。病原菌通常侵染叶柄而造成仍然保持绿色的叶片脱落。这种病害普遍发生于印度、斯里兰卡,也在印尼、泰国、马来西亚局部地方严重发生。病原菌包括棕榈疫霉、橡胶树疫霉、葡孢疫霉和蜜色疫霉 First, the South American leaf blight (This section has been translated, “Rubber tree South American leaf blight prevention and translation anthology”, Wen slightly - editor) The second, the monsoon deciduous leaf and leaf withered disease monsoon deciduous disease pathogen Phytophthora infestation Cooked leaves. Pathogens often invade petioles and cause leaves that remain green to fall off. The disease commonly occurs in India, Sri Lanka, but also in Indonesia, Thailand, Malaysia, a serious local area. Pathogens include Phytophthora capsici, Phytophthora sojae, Phosporus sp. And Phytophthora honey