Plant Diversity ›› 1988, Vol. 10 ›› Issue (03): 1-3.
• Articles •
Li Yinghong, Guo Zhongshen, Wang Fuxiong
1. The somatic embryogenesis is produced differently in the different cultivars of Sunflower. 2. The higher concentration of sucrose makes better somatic embryogenesis of Sunflower immature embryos. 3. The immature embryos of 2mm length among the embryos of different size have the highest percentage somatic embryogenesis in the same condition. 4. The higher concentration of Zeatin is, the more percentage of somatic embryogenesis in Nitsch medium supplemented with 0.5-l0.0ppm Zeatin and 17.5% sucrose in the immature embryo culture of Sunflower. 5. 2 , 4-D makes the embryos somatic embryogenesis, but does not make them differentiation. 6. In the slides show, the immature embryos produce the embryonic cell groups and embryoids, many of which are emerged in the cotyledon and hypocotyledonary axis. The surrounding cells of the embryonic cell groups degenerate, such there is the space between the groups of cell and the surrounding tissue.
Sunflower (Helianthus auunns)
Li Yinghong, Guo Zhongshen, Wang Fuxiong. OBSERVATION OF SOMATIC EMBRYOGENESIS IN THE IMMATURE EMBRYO CULTURE OF SUNFLOWER[J]. Plant Diversity, 1988, 10(03): 1-3.
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