Effect of genotypes and pre-sowing treatments on seed germination behavior of jatropha

A. K M A Islam, Nurina Anuar, Zahira Yaakob

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

The objective of the study was to explore the effects of pre-sowing seed treatments on germination behaviour and to assess the possibilities of increasing the germination rate of Jatropha curcas. Seeds of twenty jatropha accessions obtained from seven different sources were subjected to three pre-sowing treatments viz., control (T0): unsoaked seeds directly sown in the polybag and apply water up to saturation; T1: seed placed on filter paper in the petridis and moistened once with the water; and T2: seeds kept under stone sand and moistened once with the water. Seeds in T1 and T2 were kept for 72 h before sown in the polybag. The study was conducted in the Glass House of Plant Biotechnology Laboratory, Universiti Kebangsaan Malaysia. Study revealed that pre-sowing treatments significantly (p<0.01) enhanced seed germination parameters of Jatropha. Seed germination started 5 days after sowing and continued up to 12 days. The highest germination percentage (95.85%) was observed in T2 and 100% germination was observed in the genotypes viz., UKM-JC-011, UKM-JC-012, UKM-JC-014, UKM-JC-016 and UKM-JC-020 in T1 and T2. None of the genotypes showed 100% germination in T0. The highest Germination Index (GI) and Seedling Vigor Index (SVI) was found in T2 and the lowest in T0. T2 was found more effective in respect to faster germination, high germination percentage, germination index, seedling vigor index, speed and energy of germination. Five accessions viz., UKM-JC-012, UKM-JC-014, UKM-JC-016, UKM-JC-017 and UKM-JC-019 were found suitable in all the treatments including control.

Original languageEnglish
Pages (from-to)433-439
Number of pages7
JournalAsian Journal of Plant Sciences
Volume8
Issue number6
DOIs
Publication statusPublished - 2009

Fingerprint

Jatropha
seed germination
sowing
germination
genotype
seeds
vigor
house plants
seedlings
Jatropha curcas
water
seed treatment
biotechnology
Malaysia
sand
greenhouses

Keywords

  • Biodiesel
  • Biofuel
  • Germination index
  • Germination percentage
  • Jatropha curcas L.
  • Seedling vigour

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Plant Science

Cite this

Effect of genotypes and pre-sowing treatments on seed germination behavior of jatropha. / Islam, A. K M A; Anuar, Nurina; Yaakob, Zahira.

In: Asian Journal of Plant Sciences, Vol. 8, No. 6, 2009, p. 433-439.

Research output: Contribution to journalArticle

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abstract = "The objective of the study was to explore the effects of pre-sowing seed treatments on germination behaviour and to assess the possibilities of increasing the germination rate of Jatropha curcas. Seeds of twenty jatropha accessions obtained from seven different sources were subjected to three pre-sowing treatments viz., control (T0): unsoaked seeds directly sown in the polybag and apply water up to saturation; T1: seed placed on filter paper in the petridis and moistened once with the water; and T2: seeds kept under stone sand and moistened once with the water. Seeds in T1 and T2 were kept for 72 h before sown in the polybag. The study was conducted in the Glass House of Plant Biotechnology Laboratory, Universiti Kebangsaan Malaysia. Study revealed that pre-sowing treatments significantly (p<0.01) enhanced seed germination parameters of Jatropha. Seed germination started 5 days after sowing and continued up to 12 days. The highest germination percentage (95.85{\%}) was observed in T2 and 100{\%} germination was observed in the genotypes viz., UKM-JC-011, UKM-JC-012, UKM-JC-014, UKM-JC-016 and UKM-JC-020 in T1 and T2. None of the genotypes showed 100{\%} germination in T0. The highest Germination Index (GI) and Seedling Vigor Index (SVI) was found in T2 and the lowest in T0. T2 was found more effective in respect to faster germination, high germination percentage, germination index, seedling vigor index, speed and energy of germination. Five accessions viz., UKM-JC-012, UKM-JC-014, UKM-JC-016, UKM-JC-017 and UKM-JC-019 were found suitable in all the treatments including control.",
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