Summary
Attempts were made, through mentor pollen techniques, to overcome self-incompatibility in species belonging to the genera Nicotiana and Oenothera and in a hybrid of Lycopersicum, which are characterized by a gametophytic system of incompatibility. While radiation-killed incompatible pollen did not generate mentor effects in any of the material tested, radiation-killed compatible pollen was found to promote a high level of illegitimate fertilizations by incompatible pollen in N. alata. No evidence was obtained that radiation-killed compatible pollen could induce mentor effects in strictly self-incompatible clones of O. organensis and of the interspecific hybrid L. esculentum x L. peruvianum.
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Communicated by H.F. Linskens
This publication is contribution no 1563 from the Biology Radio-protection and Medical Research programme of the Directorate General XII of the Commission of the European Communities
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Ramulu, K.S., Bredemeijer, G.M.M., Dijkhuis, P. et al. Mentor pollen effects on gametophytic incompatibility in Nicotiana, Oenothera and Lycopersicum . Theoret. Appl. Genetics 54, 215–218 (1979). https://doi.org/10.1007/BF00267710
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DOI: https://doi.org/10.1007/BF00267710