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This study examines the growth patterns and morphology of compatible pollen tubes in silks with crossing barriers. Plants with crossing barriers Tcb1-s, Ga1-s, and Ga2-s were self-pollinated. The compatible tubes grow in the silks of these genotypes similarly to tcb1 ga1 ga2 pollen tubes in compatible tcb1 ga1 ga2 silks.
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Pollen Tcb1-s Ga1-s Ga2-s Silks Tcb1-s Ga1-s Ga2-s Phenotype Frequency (%) 100 (10) 100 (10) 100 (10) Fig. S2 Growth patterns and morphology of compatible pollen tubes in silks with crossing barriers. Plants of each crossing barrier type, Tcb1-s, Ga1-s, and Ga2-s, were self-pollinated. For all three types, compatible tubes grow in the silks of these genotypes in the same manner as tcb1 ga1 ga2 pollen tubes grow in compatible tcb1 ga1 ga2 silks.