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Registros recuperados: 4
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Attempt to select cucumber (Cucumis sativus L.) double haploid lines to downy mildew tolerance by molecular markers National Institute of Agronomic Research
Śmiech, M.; Sztangret-Wiśniewska, J.; Gałecka, T.; Korzeniewska, A.; Marzec, M.; Kolakowska, G.; Piskurewicz, U.; Niemirowicz-Szczytt, K..
The main goal was to identify RAPD molecular markers associated with downy mildew resistance. RAPD markers that differentiated susceptible and resistant H and DH plants were identified. Further research is needed to verify linkage between the identified markers and the susceptible and resistant phenotypes.
Tipo: Poster Palavras-chave: Pseudoperonospora cubensis; Haploid; Double haploid; RAPD; Cucumber sativus; Downy mildew; Resistance.
Ano: 2008 URL: http://hdl.handle.net/2174/244
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Genotypic differences in proembryoid development and green plantlets regeneration through androgenesis in barley varieties Ciência Rural
Wiethölter,Paula; Fernandes,Maria Irene Baggio de Moraes; Brammer,Sandra Patussi; Minella,Euclydes; Iorkzeski,Edson Jair.
The development of in vitro haploid plants followed by spontaneous or induced genome duplication allows to achieve, in one generation, the recovery of total homozygosis. The efficiency of the haplodiploidization process through in vitro anther culture of barley is variable among genotypes. This study was aimed at determining the androgenetic response of nine barley genotypes from the breeding program of Embrapa Trigo, analysing proembryoid development and green plantlets regeneration in anthers cultivated in vitro. Cultivar 'BR2' presented the highest average of proembryoids (104/anther) and 'MN698' presented the highest average of green plantlets (0,41/anther). There was a significant variation among the average values of barley genotypes for embryo...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Haploid; In vitro androgenesis; Androgenetic capacity; Hordeum vulgare L.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782008000100039
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Induction of symmetrical nucleus division and multi-nucleate structures in microspores of eggplant (Solanum melongena L.) cultured in vitro Scientia Agricola
Bal,Ugur; Ellialtioglu,Sebnem; Abak,Kazim.
A modification of a protocol used to induce tobacco microspore embryogenesis was tested in eggplant (Solanum melongena L.). In tobacco, uninucleate microspores are subjected to stress treatment by culturing in mannitol containing "B" medium at 33ºC for six days. The microspores are then transferred to maltose containing AT3 medium for further development. In the experiment presented here late uninucleate and bi-nucleate microspores of the eggplant cultivar Bambino were pre-cultured in B medium and then incubated at +4ºC, 25ºC and 33ºC, respectively, for two days. After the pre-treatments, microspore cultures were transferred to AT3 medium containing 0.25 M maltose and maintained at 25ºC in the dark. Presence of symmetrical division and multinucleate...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Haploid; Microspore culture; Symmetrical division; Mannitol starvation.
Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162009000400016
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トウモロコシ法によるコムギ半数体作出頻度におよぼす5Aおよび5B染色体の影響 OAK
伊藤, 葉子; 佐藤, 直美; 加藤, 清明; 三浦, 秀穂; ITO, Yohko; SATO, Naomi; KATO, Kiyoaki; MIURA, Hideho.
Palavras-chave: 胚培養; 半数体; トウモロコシ法; コムギ; Cmbryo culture; Haploid; Maize method; Wheat.
Ano: 1997 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/1309
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