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Pollen tube growth in cts mutants and respective wild types. A, Pollen tube growth in mutant and wild-type pistils was determined in self- and cross-pollinated pistils. Pistils were removed 24 h after pollination and stained with aniline blue. Bar = 500 μm. B, Pistil lengths of Ler, cts-1, Ws2, and cts-2 flowers (stage 14). Values are means ± se (n = 22–28). Asterisk denotes that cts-2 is significantly different than Ws2 at 2%, as determined by ANOVA.
