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- Title
Meiosis and pollen germinability in small-flowered anemone type chrysanthemum cultivars.
- Authors
Fa-Di Chen; Feng-Tong Li; Su-Mei Chen; Zhi-Yong Guan; Wei-Min Fang
- Abstract
Meiotic behavior in pollen mother cells and in vitro pollen germination were examined in a sample of small-flowered anemone type chrysanthemum cultivars. Bivalent formation predominated at metaphase I in all the cultivars although some univalents and multivalents (mainly quadrivalents) were observed. Lagging chromosomes, chromosome bridges, micronuclei and polyads were observed at anaphase I/telophase I and anaphase II/telophase II. Pollen germinability ranged from 0.3 to 25.6% and was below 10% in 15 of the 22 cultivars. A significant positive correlation was established between disk floret length (tube + lobe)/style length and the frequency of chromosome bridges at anaphase II/telophase II, and negative ones both between disk floret length/style length and pollen germinability, and between the frequency of univalents at metaphase I and pollen germinability.
- Subjects
PLANT physiology; ANEMONES; POLLEN; CHRYSANTHEMUMS; CELL division; CULTIVARS
- Publication
Plant Systematics & Evolution, 2009, Vol 280, Issue 3/4, p143
- ISSN
0378-2697
- Publication type
Article
- DOI
10.1007/s00606-009-0173-9