Indian Society of Genetics & Plant Breeding

Important

VARIETAL DIFFERENCES IN THE BREEDING BEHAVIOUR OF COLCHICINE-INDUCED AUTOTETRAPLOIDS OF CHILLI (CAPSICUM ANNUUM L.)

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POLYPLOIDY as a method of breeding for evolving better types of crop plants has been
for some years past one of the many lines of investigations at the Cytogenetics Section
of the Indian Agricultural Research Institute. By colchicine treatment autotetraploids
were obtained in a large number of crop plants such as sesame, gram,
Brassica, chilli,
linseed, etc. Despite their gigantism many of these tetraploids could not be considered
superior to the corresponding diploids because of their high seed sterility. Low seed
fertility may not be a great handicap in the case of the tetraploids of vegetatively
propagated crops and also in crops where seed is not the economic product.
 

Info

Year: 1950
Volume: 10
Issue: 1
Article DOI: NA
Print ISSN: 0019-5200
Online ISSN: 0975-6906

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