Flower Bud Formation in Orchids
II. On the Floral Initiation and Development in Phalaenopsis
1972 Volume 41 Issue 3 Pages 297-300
Details
1972 Volume 41 Issue 3 Pages 297-300
1. Flower bud formation in Phalaenopsis amabilis cultivar‘Doris×Does Pueblos’ hybrid was studied.
2. The plants were grown under the ordinary orchid greenhouse at Chuo Agricultural High School, Kanagawa Prefecture, Japan.
3. Flower bud samplings were made at one or two week intervals from Sep. 11 to Dec. 25, 1970.
4. Stages of the flower buds were observed under the stereo-scopic micro-scope by scale stripping method.
5. Inflorescence shoot began to grow on Oct. 20, and the first floret primordium was formed at the sixth to seventh node of the inflorescence shoot, on Oct. 30.
6. Then the flower buds developed to sepal formation stage (Nov. 13), petal formation stage and column formation stage (Nov. 27), pollen sack and stigma formation stage (Dec. 11), and pollen formation stage (Dec. 25). And the first flower bloomed on Jan. 17, 1971.
