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Figure 4 | BMC Plant Biology

Figure 4

From: Evaluation of reproductive barriers contributes to the development of novel interspecific hybrids in the Kalanchoë genus

Figure 4

Comparison of pollen tube numbers following interspecific crosses of K. blossfeldiana cultivars and self-pollinations. (A, B, C) Number of pollen tubes after pollinations of two K. blossfeldiana cultivars with pollen of different Kalanchoë species and self-pollinations of paternal plants as controls observed on stigma, in the style and ovary. Values presented are means (±S.E.), n = 10. Values followed by different letters are significantly different (P ≤0.05) within the same maternal genotype according to t-test. (D, E, F) Number of pollen tubes after pollinations of Kalanchoë species with two K. blossfeldiana cultivars and self-pollinations of maternal plants as controls observed on stigma, in the style and ovary. Values presented are means (±S.E.), n = 10. Values followed by different letters are significantly different (P ≤0.05) within the same paternal genotype according to t test. The analyses were performed 48 h after pollination.

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