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Effects of the top five endophytes on root length of lettuce, basil, and bok choy plants. Filled circles represent means of results for each treatment. Horizontal dashed lines represent means of results for control plants. Statistical significance in comparison to control plants is noted with one (P < 0.05), two (P < 0.01), or three (P < 0.001) asterisks or with one dot (P < 0.1).
