Journal article
Mitosis and meiosis in plants are affected by the fungicide phosphite
Australasian Plant Pathology, Vol.31(3), pp.281-289
2002
Abstract
To investigate the effect of the fungicide phosphite on mitosis, Vicia faba and Petunia hybrida were sprayed with 0, 2.5, 5 and 10 g/L phosphite, and V. faba was also soil drenched using 5 g/L phosphite. In V. faba, phosphite increased the number of abnormal mitotic cells in root tips of both sprayed or soil drenched plants. The effect was evident 12 h after treatment and persisted for 14 days in young V. faba plants, 21 days in mature V. faba and 14 days in P. hybrida. Phosphite did not affect the proportion of cells undergoing mitosis in either species, or the karyotype of V. faba. Phosphite reduced pollen fertility in plants of P. hybrida and Tradescantia virginiana treated with 0 to 20 g/L phosphite, but the effect was most marked in P. hybrida where pollen fertility was zero for a period between 7 and 14 days after treatment. Pollen fertility was still reduced 21 days after treatment. Phosphite increased the number of abnormal meiotic cells at all stages in T. virginiana microspores but the numbers were insufficient to totally account for the observed drop in pollen fertility.
Details
- Title
- Mitosis and meiosis in plants are affected by the fungicide phosphite
- Authors/Creators
- M.M. Fairbanks (Author/Creator) - Curtin UniversityG.E.St.J. Hardy (Author/Creator) - Murdoch UniversityJ.A. McComb (Author/Creator) - Murdoch University
- Publication Details
- Australasian Plant Pathology, Vol.31(3), pp.281-289
- Publisher
- CSIRO Publishing
- Identifiers
- 991005541690107891
- Murdoch Affiliation
- School of Biological Sciences and Biotechnology; Centre for Phytophthora Science and Management
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- Citation topics
- 1 Clinical & Life Sciences
- 1.152 Molecular & Cell Biology - DNA Damage
- 1.152.733 Radiation Genotoxicity
- Web Of Science research areas
- Plant Sciences
- ESI research areas
- Plant & Animal Science