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emasculated flower [1 record]
Record 1 - internal organization data 2001-06-19
Record 1, English
Record 1, Subject field(s)
- Plant Biology
- Genetics
- Plant Breeding
Record 1, Main entry term, English
- emasculated flower
1, record 1, English, emasculated%20flower
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
The actual method used in initial crossing of wheat varieties is conditioned by the fact that wheat is bi-sexual and normally self-pollinating. Before the wheat plant has shed its pollen, the anthers are removed with forceps from the flowers of the plant that is to become the female parent, and a cover is slipped over the emasculated wheat head to exclude foreign pollen. Two or three days later, the cover is taken off and ripe anthers are removed from another wheat plant, selected as the male parent, broken over the stigma of each emasculated flower, and the cover replaced. The fertilized egg cells now develop into grains which usually mature a little more than a month later. 1, record 1, English, - emasculated%20flower
Record 1, French
Record 1, Domaine(s)
- Biologie végétale
- Génétique
- Amélioration végétale
Record 1, Main entry term, French
- fleur émasculée
1, record 1, French, fleur%20%C3%A9mascul%C3%A9e
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
La méthode utilisée pour le premier croisement des variétés tient compte du fait que le blé est une plante hermaphrodite et normalement autofécondée. Avant que les anthères laissent tomber leur pollen, on les arrache de la fleur avec des brucelles et on glisse sur l'épi émasculé un sac pour éviter toute fécondation indésirable et indésirée. Deux ou trois jours plus tard, le sac est ôté; au-dessus de chaque fleur émasculée, on secoue des anthères mûres arrachées de la plante utilisée comme souche mâle, puis on remet le sac en place. Les ovules fécondées vont se transformer en grains qui parviennent d'ordinaire à leur pleine maturité environ un mois plus tard. 1, record 1, French, - fleur%20%C3%A9mascul%C3%A9e
Record 1, Spanish
Record 1, Textual support, Spanish
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