我看了很多文章,可是在很多地方找不到 作者:White TJ, Bruns T, Lee S, TaylorJ. 篇名:Amplification and direct sequencing of fungal ribosomal RNA genes for phylogenetics 年份:1990 大家可以帮我下吗?感激不尽。
Screening of some marigold cultivars (Tagetes erecta and T. patula) for resistance against leaf spot and flower blight caused by Alternaria zinniae Pape 谁能帮我下这篇文献,我们这儿没有,谢谢~