Sur un hybride stérile de Pavot Œillette (Papaver somniferumL. var.nigrumDC.) et d'ua Pavot sauvage (Papaver setigerumDC.)
نویسندگان
چکیده
منابع مشابه
Self-incompatibility in Papaver
Self-fertilization, which results in reduced fitness of offspring, is a common problem in hermaphrodite angiosperms. To prevent this, many plants utilize self-incompatibility (SI), which is determined by the multi-allelic S locus, that allows discrimination between self (incompatible) and non-self (compatible) pollen by the pistil. In poppy (Papaver rhoeas), the pistil S-determinant (PrsS) is a...
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Un graphe lini est dit planaire si on peut le dessiner dans le plan saris que les a&es se recoupent. Un probleme bien nature1 et rtsolu par Kuratowski [KI] est de trouver une caracterisation des graphes planaires. On pourra ausi a ce sujet consulter les monographies [BE, WE, TE] . 11 se trouve que les mtthodes developpees dans nos articles precedents [C-C, [CV,], G ig4] permettent d’exhiber un ...
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ژورنال
عنوان ژورنال: Bulletin de la Société Botanique de France
سال: 1925
ISSN: 0037-8941
DOI: 10.1080/00378941.1925.10832777