Induced parthenogenesis by gamma-irradiated pollen in loquat for haploid production

Successful haploid induction in loquat (Eriobotrya japonica (Thunb.) Lindl.) through in situ-induced parthenogenesis with gamma-ray irradiated pollen has been achieved. Female flowers of cultivar 'Algerie' were pollinated using pollen of cultivars 'Changhong-3', 'Cox' a...

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Publié dans:Breeding science. - 1998. - 66(2016), 4 vom: 28. Sept., Seite 606-612
Auteur principal: Blasco, Manuel (Auteur)
Autres auteurs: Badenes, María Luisa, Del Mar Naval, María
Format: Article
Langue:English
Publié: 2016
Accès à la collection:Breeding science
Sujets:Journal Article Eriobotrya japonica gamma-ray irradiation haploidy irradiation dose ploidy determination
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520 |a Successful haploid induction in loquat (Eriobotrya japonica (Thunb.) Lindl.) through in situ-induced parthenogenesis with gamma-ray irradiated pollen has been achieved. Female flowers of cultivar 'Algerie' were pollinated using pollen of cultivars 'Changhong-3', 'Cox' and 'Saval Brasil' irradiated with two doses of gamma rays, 150 and 300 Gy. The fruits were harvested 90, 105 and 120 days after pollination (dap). Four haploid plants were obtained from 'Algerie' pollinated with 300-Gy-treated pollen of 'Saval Brasil' from fruits harvested 105 dap. Haploidy was confirmed by flow cytometry and chromosome count. The haploids showed a very weak development compared to the diploid plants. This result suggests that irradiated pollen can be used to obtain parthenogenetic haploids 
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700 1 |a Del Mar Naval, María  |e verfasserin  |4 aut 
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