低栽培密度有利于形成泡囊和丛枝结构。
Low cultivated density is propitious to form vesicle and arbuscule.
方法 ：将摩西球囊霉接种于半夏无菌组培苗，于不同时间取样，通过染色镜检法观察丛枝菌根形成过程。
Method : The tissue culture plantlets of P. ternata were inoculated with G. mosseae, the formation of AM were sampled and observed with microscopy by staining.
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