非洲咖啡叶锈病防治措施的进展ＲｏｂｂｅｒｔＨ．Ｆｕｌｔｏｎ除降雨和温度两个因素外，最初菌量和树冠叶片密度也严重影响锈病的流行。在肯尼亚，叶锈病通常在１０—１１且少雨期之前发病最少，并已证明此时的侵染程度与后来的爆发严重度之间有显著的相关。由于这个原因... Progress in the Prevention and Treatment of Coffee Leaf Rust in Africa. Fulton In addition to rainfall and temperature two factors, the initial bacterial density and crown leaf density also seriously affect the epidemic of rust. In Kenya, leaf rust is usually the least affected by 10-11 and before the onset of the rainy season and has demonstrated a significant correlation between the degree of infestation at this time and the severity of subsequent outbreaks. due to this reason...