MEIOSIS AND POLLEN MITOSIS IN RYE PLANTS WITH MANY ACCESSORY CHROMOSOMES
✍ Scribed by ARTUR HÅKANSSON
- Book ID
- 114807655
- Publisher
- John Wiley and Sons
- Year
- 2010
- Tongue
- English
- Weight
- 915 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0018-0661
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To contribute to knowledge on the significance of B chromosomes in rye populations, a component of fertility has been estimated by a comparative study of germination and growth of pollen tubes in plants with and without B chromosomes. The highest percentage germination of pollen and mean speed of po
Rye plants carrying B chromosomes with different nuclear and cytoplasmic constitutions have been analyzed at first pollen mitosis. No differences of B chromosome behaviour have been detected. It has been concluded that non-disjunction and preferential distribution are processes controlled by Bs them