Abstract
In Corchorus sidoides F. Muell ♀ x C. siliquosus L. ♂, the pod set was 19.05 per cent. and the percentage of pod harvested (out of set pods) was 100 per cent.. All seeds of the cross pods were non-viable.
In C. siliquosus L. ♀ x C. sidoides F. Muell. ♂, the pod set was 8.7 per cent. and the percentage of pod harvested was 100. In this case the seeds were also non-viable.
The genus Corchorus comprises species which are systematically widely related. The possibility of getting viable hybrids in this case is impossible because the phylogenetic relationship does not allow of getting viable seeds. A karyotypic study of these species will throw light on this aspect and breeders will then get a tool for handling this subject.
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Department of Agriculture, Calcutta University
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Datta, R.M., Sen, S.K. Interspecific hybridization between Corchorus sidoides F. Muell. and C. siliquosus L., a natural polyploid. Euphytica 10, 113–119 (1961). https://doi.org/10.1007/BF00037212
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DOI: https://doi.org/10.1007/BF00037212