In the conditions of different treatments,studies were made of the variation laws of the colonization rate and colonization intensity when arbuscule mycorrhical fungi(AMF) colonizated Betula albo-sinensis.

• 本试验以红桦(Betula albo-sinensis)为材料,研究不同处理条件下,AMF侵染率和侵染强度的变化规律。