22 research outputs found
Tétrades irrégulières, développements apoméiotiques et aposporie dans les ovules de Cichorium intybus L. (Chicorée de Bruxelles)
No full textMicrogametogenesis and Megagametogenesis in Cichorium-intybus L - Successive Stages and Some Symptoms of Apospory
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[Calendar of Female Gametogenesis and Sporogenesis in Diploids and Tetraploids Induced By Brachiaria-ruziziensis (graminee)]
No full text[Fundamental-aspects of Agronomic Research in the Matter of Improving and Selection of Witloof-chicory]
No full textApomixie, sexualité et amélioration des graminées tropicales
No full textApomixis, sexuality and improvement of tropical grasses. Gametophytic apomixis together with sexuality can be used for the improvement of tropical grasses. Apomixis is researched for providing an easy spreading of cultivars. Apomictic and sexual species are found in the genus Brachiaria ; hybridizations are carried out between a tetraploid, colchicine induced form of the sexual species B. ruziziensis Germain et Evrard, and natural tetraploid apomicts, B. brizantha Stapf. and B. decumbens (Hochst) Stapf
Cytochemical localization and function of the 3-linked glucan callose in the developing cotton fibre cell wall
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