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        Floral Biology and Flowering Phenology of Jatropha Curcas

        Singh, Amritpal S.,Patel, Mukesh P.,Patel, Tanmay K.,Delvadia, D.R.,Patel, Diwaker R.,Kumar, Nitish,Naraynan, Subhash,Fougat, Ranbir S. Institute of Forest Science 2010 Journal of Forest Science Vol.26 No.2

        Jatropha curcas is an oil bearing species with multiple uses and considerable economic potential as a biofuel plant. Plant flowering and breeding characteristics are important for us to understand the reproduction of plant populations. The present study describes the floral biology and flowering phenology of J. curcas which is a prerequisite for hybridization program for genetic improvement through conventional breeding. The plant produces flowers in dichasial inflorescences. Normally, the flowers are unisexual, and male and female flowers are produced in the same inflorescence. Only a few male flowers are produced in an inflorescence, and fruits are produced only through pollination between different flowers from the same or different plants. This study includes a description of the inflorescence, flower anatomy of both male and female flowers, female : male ratio, pollen : ovule ratio, flowering phenology, pollen viability, stigma receptivity, comparison of selfing methods and a comparison of geitonogamy and xenogamy. This information may be useful in J. curcas breeding programmes.

      • KCI등재

        Floral Biology and Flowering Phenology of Jatropha Curcas

        Amritpal S. Singh,Mukesh P. Patel,Tanmay K. Patel,D. R. Delvadia,Diwaker R. Patel,Nitish Kumar,Subhash Naraynan,Ranbir S. Fougat 강원대학교 산림과학연구소 2010 Journal of Forest Science Vol.26 No.2

        Jatropha curcas is an oil bearing species with multiple uses and considerable economic potential as a biofuel plant. Plant flowering and breeding characteristics are important for us to understand the reproduction of plant populations. The present study describes the floral biology and flowering phenology of J. curcas which is a prerequisite for hybridization program for genetic improvement through conventional breeding. The plant produces flowers in dichasial inflorescences. Normally, the flowers are unisexual, and male and female flowers are produced in the same inflorescence. Only a few male flowers are produced in an inflorescence, and fruits are produced only through pollination between different flowers from the same or different plants. This study includes a description of the inflorescence, flower anatomy of both male and female flowers, female : male ratio, pollen : ovule ratio, flowering phenology, pollen viability, stigma receptivity, comparison of selfing methods and a comparison of geitonogamy and xenogamy. This information may be useful in J. curcas breeding programmes.

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