Effect of waterlogging stress on meiotic course, tetrad formation and pollen fertility of Sesbania pea

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• 作者：N. Srivastava ; G. Kumar
• 关键词：Sesbania cannabina ; waterlogging ; cytological studies ; chromosomal aberrations ; pollen fertility
• 刊名：Cytology and Genetics
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：50
• 期：1
• 页码：28-31
• 全文大小：949 KB
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• 作者单位：N. Srivastava (1)
  G. Kumar (1)
  
  1. Plant Genetics Laboratory, Department of Botany, University of Allahabad, Allahabad, India
  
• 刊物主题：Human Genetics;
• 出版者：Springer US
• ISSN：1934-9440

文摘

Sesbania cannabina a multipurpose leguminous crop of family Fabaceae, is widely adaptable to adverse climatic conditions such as waterlogging, drought and high salinity. Flooding and water logging are very common phenomena and there may be possibility to become more serious alarms for environment, which is progressively deteriorated by human beings by their anthropogenic activities, polluting the atmosphere. Flooding provides a case of natural selection to the nature which selects the plants which are more adaptable to this condition and renders themselves to survive due to this tolerance or resistance behavior. Present study envisages the effect of waterlogging stress on chromosomal biology of Sesbania pea. To study the effect of waterlogging stress on microsporogensis of Sesbania cannabina, presoaked seeds were sown in experimental pots. Permanent waterlogged condition is created by shifting pots in water filled tanks. Cytological studies showed various types of chromosomal aberrations induced by waterlogging stress and reduction in pollen fertility was also encountered.