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Anther culture of Sorghum bicolor (L.) Moench 23 II. Pollen development in vivo and in vitro

Rose, J. B., Dunwell, J. M. and Sunderland, N. (1986) Anther culture of Sorghum bicolor (L.) Moench 23 II. Pollen development in vivo and in vitro. Plant Cell, Tissue and Organ Culture, 6 (1). pp. 23-31. ISSN 1573-5044

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To link to this item DOI: 10.1007/BF00037755

Abstract/Summary

The sequence of pollen development from the tetrad stage to the mature trieellular grain was studied in freshly harvested anthers of Sorghum bicolor. This pattern of development was then compared with that occurring during panicle pretreatment and subsequent anther incubation in vitro. It was found that during pretreatment at 7 ° C mitoses of the vegetative cell were induced in up to 30% of the pollen. During anther incubation procallus development was highly polarised with contributions from both the generative and vegetative cells. After pretreatment at 14 or 20 ° C the generative cell became detached from the pollen wall and it was not possible to determine whether subsequent development involved only the vegetative cell or both the vegetative and generative cells. Although retarded pollen grains were observed both in vivo and in vitro, and were occasionally seen to divide in culture, they did not appear to be the source of the procalluses produced.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Agriculture, Policy and Development > Biodiversity, Crops and Agroecosystems Division > Crops Research Group
ID Code:86971
Uncontrolled Keywords:Sorghum bicolor, anther culture, pollen development, pollen dimorphism, haploid
Publisher:Springer

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