Pollen stainability in facultatively apomictic Pilosella hawkweeds (Asteraceae).

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Authors

ROTREKLOVÁ Olga

Year of publication 2007
Type Conference abstract
MU Faculty or unit

Faculty of Science

Citation
Description Pollen stainability of apomictic taxa of Hieracium subgen. Pilosella was tested and compared with those in sexuals and seed-sterile plants. Pollen samples were obtained from sexual tetraploid Hieracium bauhini, apomictic pentaploid and hexaploid H. bauhini, sexual tetraploid H. densiflorum, apomictic pentaploid H. pilosellinum, seed-sterile triploid H. pistoriense and sterile pentaploid H. brachiatum. The highest pollen stainability was found in sexual and some apomictic plants. The lowest pollen stainability and the higher inter- and intrapopulation difference was discovered among the other of apomictic plants.
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