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Basic fuchsin staining of cotton stem tissues. Images of susceptible variety cv. Han208 under white light (a, c) and fluorescent light (b, d). Images of resistant variety cv. Jimian20 under white light (e, g) and fluorescent light (f, h). Cross‐sections of stems from the same position of five seedlings were used for this assay. [Colour figure can be viewed at wileyonlinelibrary.com]
