The influence of different pre-treatments on enhancing seed germination in cassava

Authors

  • Vidya P Research Scholar ICAR-Central Tuber Crops Research institute (CTCRI)
  • Aswathy G. H. Nair Research Scholar ICAR-Central Tuber Crops Research institute (CTCRI)
  • Sreekumar J Senior Scientist, ICAR-Central Tuber Crops Research institute (CTCRI)
  • Mohan C Principal scientist, ICAR-Central Tuber Crops Research institute (CTCRI)

Keywords:

Key words, Seed germination, mechanical scarification, gibberellic acid treatment

Abstract

AbstractCassava is propagated through vegetatively by stem cuttings. However, cassava sexual seeds are widely used by the breeders with the objective of developing new variety with its adaptibity in varying environmental conditions, disease resistance and high yield. But the limiting factors like hard seed coat, light, temperature and other intrinsic factors leads to poor   seed germination rate. The aim of this study was to enhance and obtain early seed germination in cassava, which takes 16 to 20 days under normal condition. The efficacy of different treatments like mechanical scarification, water treatment and Gibberellic acid was investigated. It was found that seed germination percentage was significantly varied among different treatments (p<0.01) and maximum seed germination at 7th day after treatment was observed for 50 ppm gibberellic acid treatment (T5), followed by 60ppm gibberellic acid for 30 minutes on cotyledons (T14). By comparing the results, 50ppm GA3, overnight soaked seeds (T5) had significant effect on germination (66.67 %) and can be used as a best treatment for getting early germination in cassava before 10 days.

Author Biographies

Vidya P, Research Scholar ICAR-Central Tuber Crops Research institute (CTCRI)

Research ScholarDivision of Crop ImprovementICAR-Central Tuber Crops Research Institute (CTCRI)  

Aswathy G. H. Nair, Research Scholar ICAR-Central Tuber Crops Research institute (CTCRI)

Research ScholarDivision of Crop ImprovementICAR-Central Tuber Crops Research Institute (CTCRI)

Sreekumar J, Senior Scientist, ICAR-Central Tuber Crops Research institute (CTCRI)

Senior Scientist,Section of Social Sciences and ExtensionICAR-Central Tuber Crops Research institute (CTCRI)

Mohan C, Principal scientist, ICAR-Central Tuber Crops Research institute (CTCRI)

Principal scientist,Division of Crop ImprovementICAR-Central Tuber Crops Research institute (CTCRI)

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Published

2016-09-29

How to Cite

P, V., G. H. Nair, A., J, S., & C, M. (2016). The influence of different pre-treatments on enhancing seed germination in cassava. JOURNAL OF ROOT CROPS, 41(2), 28–35. Retrieved from https://ojs338.isrc.in/index.php/jrc/article/view/366

Issue

Vol. 41 No. 2 (2015): Journal of Root Crops Vol. 41(2), 2015

Section

Research Articles

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