Occurrence and cytological mechanism of 2n pollen formation in a tetraploid accession of Ipomoea batatas (sweet potato)

Journal of Heredity

Volumn 93, Issue 3, 2002, Pages 185-192

  Becerra Lopez Lavalle, L A ^a,b   Orjeda, G ^a,c  

^a INTERNATIONAL POTATO CENTER   (Peru)

^b CSIRO   (Australia)

^c CENTRE NATIONAL DE SÉQUENÇAGE   (France)

Author keywords

[No Author keywords available]

Indexed keywords

ANAPHASE; ARTICLE; CHROMOSOME ANALYSIS; CORRELATION ANALYSIS; CYTOLOGY; GENOTYPE; NONHUMAN; POLLEN; PRIORITY JOURNAL; PROGENY; SWEET POTATO; TETRAPLOIDY;

EMBRYOPHYTA; IPOMOEA; IPOMOEA BATATAS; IPOMOEA TRILOBA; SOLANUM TUBEROSUM;

EID: 0036563043     PISSN: 00221503     EISSN: None     Source Type: Journal    
DOI: 10.1093/jhered/93.3.185     Document Type: Article

References (45)

1. The taxonomy evolution, and genetic diversity of sweet potatoes and related wild species
2. Cytological and genetic studies on 2n pollen-formation mechanism in diploid Phureja-Tuberosum hybrids
3. Chromosome manipulations in alfalfa: Scaling the cultivated tetraploid to seven ploidy levels
4. Unreduced pollen: Proposed mechanism of polyploidization of sweet potatoes (Ipomoea batatas)
5. Discovery of wild tetraploid sweet potatoes
6. A mechanism for the production of tetraploid and pentaploid progeny from diploid x tetraploid crosses of alfalfa
7. Origin of polyploids
8. Polyploid speciation in hybrid morning glories of Ipomoea L. sect. Quamoclict Griseb
9. Use of Ipomoea trifida (HBK) G. Don germ plasm for sweet potato improvement. 2. Fertility of synthetic hexaploids and triploids with 2n gametes of I. trifida, and their interspecific crossability with sweet potato
10. On Ö Winge and a prayer: The origins of polyploids
11. Use of Ipomoea trifida (HBK) G. Don germplasm for sweet potato improvement. 1. Development of synthetic hexaploids of I. trifida by ploidy-level manipulations
12. The significance of genetic balance to endosperm development in interspecific crosses
13. Unreduced pollen in wild tetraploid relative of sweet potato
14. Interspecific crosses among Ipomoea lacunosa, I. ramoni, I. trifida, I. trichocarpa, and I. triloba
15. The inheritance of β-amylase null in storage roots of sweet potato, Ipomoea batatas (L.) Lam
16. Cytological evidence on the origin of sweet potato
17. An acetic-carmine glycerol jelly for use in pollen fertility counts
18. Genetics, cytology and crossing behavior of an alfalfa (Medicago sativa) mutant resulting in failure of the postmeiotic cytokinesis
19. Changes and additions in Ipomoea section Batata (Convolvulacea)
20. The significance of 2n gametes in potato breeding
21. The inheritance of three mechanisms of diplandroid (2n pollen) formation in diploid potatoes
22. Three mechanisms of 2n pollen formation in diploid potatoes
23. Cytology of potato triploids producing 2n pollen
24. Evolution and domestication of the sweet potato
25. Evolutionary autoploidy in the sweet potato (Ipomoea batatas (L.) Lam.) and its progenitors
26. Cytological analysis of tetraploid hybrids between sweet potato and diploid Ipomoea trifida (H.B.K) Don
27. Una alternativa para la evaluación de las especies silvestres de Ipomoea: Híbridos interespecífcos 4x entre I. batatas Lam (2n = 6x = 90) e I. trifida (H.B.K.) Don (2n = 2x = 30)
28. Production of 2n pollen in diploid Ipomoea trifida, a putative wild ancestor of the sweet potato
29. Use of Ipomoea trifida germ plasm for sweet potato improvement. 3. Development of 4x interspecific hybrids between Ipomoea batatas (L.) Lam. (2n = 6x = 90) and I. trifida (H.B.K.) G. Don. (2n = 2x = 30) as storage-root initiators for wild species
30. Nuclear DNA content and ploidy levels in the genus Ipomoea
31. Production of 2n pollen in red clover
32. Genetic engineering with meiotic mutants
33. Meiotic mutants in potato: Valuable variants
34. Abnormal meiosis in alfalfa, Medicago sativa: Cytology of 2n eggs and 4n pollen formation
35. A re-examination of the mechanisms of 2n gamete formation in potato and its implications for breeding
36. Pathways, mechanisms, and rates of polyploid formation in the flowering plants
37. Synthetic hexaploids derived from wild species related to sweet potato
38. Genomic structure of the sweet potato and hexaploids in Ipomoea trifida (H.B.K) Don
39. A statistical approach to estimate the frequency of n, 2n and 4n pollen grains in diploid alfalfa
40. Diploid and polyploid gametes in crop plants: Mechanisms of formation and utilization in plant breeding
41. Cytology of 2n pollen formation in diploid alfalfa, Medicago sativa