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Reproductive biology of several bromegrasses bromus breeding system pattern of fruit maturation and seed set






American Journal of Botany 72(9): 1334-1339

Reproductive biology of several bromegrasses bromus breeding system pattern of fruit maturation and seed set

Five species of Bromus were tested for self-fertility when bagged. Bromus inermis was self-incompatible. Bromus tectorum, B. kalmii, B. ciliatus, and B. latiglumis were capable of self-fertilization. Further evidence from flowering behavior suggested that B. tectorum almost always self-pollinated and that the remaining self-fertile species sometimes outcrossed. Florets in different positions on a spikelet varied in the proportion that set seed. Open-pollinated B. inermis plants had lower seed set than the self-fertile species, in agreement with the pattern in a variety of hermaphroditic plants.

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Accession: 006316464

DOI: 10.2307/2443505



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